2020 г.

1. K.Vutova, V.Vassileva, "Electron-beam melting and reuse of metallic materials", Metal Science and Heat Treatment, 62(5-6), pp.345-348, (2020), Линк:

2. M. Beshkova and R. Yakimova, Properties and potential applications of two-dimensional AlN, Vacuum 176 (2020) 109231, Линк:

3. DN Trushnikov, SV Varushkin, ES Salomatova, EG Koleva, VV Dzharov. Wire position sensor for controlling the process of electron beam layer-by-layer deposition, Part 1-Modeling and verification, IEEE Sensors Journal, (2020)

4. T Olshanskaya, V Belenkiy, E Fedoseeva, E Koleva, D Trushnikov. Application of Dynamic Beam Positioning for Creating Specified Structures and Properties of Welded Joints in Electron-Beam Welding Materials 13 (10), 2233, (2020)

5. W. Uddin, S. Maity, V. Dhyani, G. Ahmad, Y. M. Georgiev, S. Das, Resonant Tunneling and Hole Transport Behavior in Low Noise Silicon Tri-gate Junctionless Single Hole Transistor, Semicond. Sci. Technol. 35, 065011 (2020), Линк:

6. F. Fuchs, M. B. Khan, D. Deb, D. Pohl, J. Schuster, W. M. Weber, U. Mühle, M. Löffler, Y. M. Georgiev, A. Erbe, S. Gemming Formation and crystallographic orientation of NiSi2-Si interfaces. J. Appl. Phys. 128, 085301 (2020) Линк:

7. K.Vutova, V.Vassileva, V.Stefanova, M.Naplatanova, "Influence of Process Parameters on the Metal Quality at Electron Beam Melting of Molybdenum", Minerals, Metals and Materials Series. Springer, (2020), pp.941-951, DOI: 10.1007/978-3-030-36540-0_84

8. V.Vassileva, K.Vutova, "Influence of process parameters on quality of copper in electron-beam melting", IOP Conf. Series: Journal of Physics: Conference Series, 1492(1), art. no. 012014, (2020), DOI: 10.1088/1742-6596/1492/1/012014

9. I.Kostic, K.Vutova, E.Koleva, A.Bencurova, "PMMA resist profile and proximity effect dependence on the electron-beam lithography process parameters", IOP Conf. Series: Journal of Physics: Conference Series, 1492(1), art. no. 012015, (2020), DOI: 10.1088/1742-6596/1492/1/012015

10. E.Koleva, T.Tsonevska, L.Koleva, K.Vutova, G.Mladenov, M.Naplatanova, D.Trushnikov, S.Varushkin, "Heat distribution simulation in electron-beam surface modification of 316L stainless steel samples", IOP Conf. Series: Journal of Physics: Conference Series, 1492(1), art. no. 012012, (2020), DOI: 10.1088/1742-6596/1492/1/012012

11. E Koleva, L Koleva, G Mladenov, D Trushnikov, A Andonov. Computer-aided electron-beam deflection control system. Journal of Physics: Conference Series 1492 (1), 012013, (2020)

12. M. Beshkova, B.S. Blagoev, V. Mehandzhiev, R. Yakimova, B. Georgieva, I. Avramova, P. Terziyska, D. Kovacheva, V. Strijkova, Initial conditions for preparation of AlN thin films by atomic layer deposition, J. of Physics 1492 (2020) 012021, doi:10.1088/1742-6596/1492/1/012021

13. M. Beshkova, P. Deminskyi, H. Pedersen and R.Yakimova, Atomic layer deposition of AlN using trimethylaluminum and ammonia, J. of Physics 1492 (1) (2020) 012046, doi:10.1088/1742-6596/1492/1/012046

14. T. Nurgaliev, M Beshkova, Estimation of HTS electrode properties for piezoelectric resonators, J. of Physics 1492 (2020) 012016, doi:10.1088/1742-6596/1492/1/012016

15. ES Salomatova, MF Kartashev, DN Trushnikov, GL Permykov, TV Olshanskaya, IR Abashev, EM Fedoseeva, EG Koleva. Evaporation processes of alloying components duringwire-arcdeposition of aluminum alloy 5056. IOP Conference Series: Materials Science and Engineering, MS&E 758 (1), 012064, (2020)

16. GL Permyakov, DN Trushnikov, MK Mindibaev, EG Koleva. Numerical model of a hollow cathode arc discharge formation in vacuum. IOP Conference Series: Materials Science and Engineering 759 (1), 012021, (2020)

17. J. John, V. Dhyani, Y. M. Georgiev, A. Gangnaik, S. Biswas, J. Holmes, A. Das, S. Ray, S. Das. Ultra-High Negative Infrared Photoconductance in Highly As-doped Germanium Nanowires Induced by Hot Electron Trapping. ACS Applied Electronic Materials 2020 2 (7), 1934-1942. Линк:

18. M. B. Khan, S. Ghosh, S. Prucnal, T. Mauersberger, R. H?bner, M. Simon, T. Mikolajick, A. Erbe, Y. M. Georgiev. Towards Scalable Reconfigurable Field Effect Transistor using Flash Lamp Annealing, Proceedings of the 78th Device Research Conference (DRC), 21-23 June, 2020, Columbus, OH, USA, pp. 1-2, (talk), Линк:

19. V.Dzharov, "Control of the electron beam deflection system of an electron beam installation", Евразийский Союз Ученых. Физико-математические науки, 76(2), pp.21-26, doi:10.31618/ESU.2413-9335.2020.2.76.900, (2020) Линк:

20. Todorova M., Koleva L., Koleva E. A study of the efficiency as a usability characteristic in E-learning environment. Electrotechnica & Electronica (Е+Е), Vol. 55 (3-4), pp.49-56, (2020)

2019 г.

1. K.Vutova, V.Vassileva, V.Stefanova, D.Amalnerkar, T.Tanaka. Effect of electron beam method on processing of titanium technogenic material. Metals, (2019), 9, 683; doi:10.3390/met9060683

2. N.Qureshi, K.Harpale, M.Shinde, K.Vutova, M.More, T.Kim, D.Amalnerkar, Hierarchical MoS2-Based Onion-Flower-like Nanostructures with and without Seedpods via Hydrothermal Route Exhibiting Low Turn-on Field Emission, Journal of Electronic Materials, v.48 (3), pp.1590-1598, (2019), Линк:

3. Y.M.Georgiev, N.Petkov, R.Yu, A.M.Nightingale, E.Buitrago, O.Lotty, J.C.deMello, A.Ionescu and J.D.Holmes. Detection of ultra-low protein concentrations with the simplest possible field effect transistor. Nanotechnology 30 (2019) 324001 (8pp) Линк:

4. S.Prucnal, Y.Berencen, M.Wang, Y.M.Georgiev, A.Erbe, M.B.Khan, R.Boettger, R.Hubner, T.Schonherr, J.Kalbacova, L.Vines, S.Facsko, M.Engler, D.R.T.Zahn, J.Knoch, M.Helm, W.Skorupa and S.Zhou Nanoscale n++-p junction formation in GeOI probed by tip-enhanced Raman spectroscopy and conductive atomic force microscopy. J. Appl. Phys. 125, 245703 (9pp) (2019); Линк:

5. M.B.Khan, D.Deb, J.Kerbusch, F.Fuchs, M.Loffler, S.Banerjee, U.Muhle, W.M.Weber, S.Gemming, J.Schuster, A.Erbe, and Y.M.Georgiev. Towards reconfigurable electronics: silicidation of top down fabricated Silicon nanowires. Appl. Sci. 2019, 9(17), 3462 (13pp); Линк:

6. Kovacheva-Ninova V., V.Velev, V.Vassileva, K.Vutova, Trends in the development of the tungsten production, Journal of mining and geological sciences, v.62, N4, (2019), pp.28-36.

7. K.Vutova, Obtaining high-purity materials through melting and refining of metals by electron beam Proc. International Conference on New Frontiers in Environmental and Allied Sciences, India, 1-15, (2019)

8. Tsonevska Ts., Koleva E., Koleva L., Mladenov G. Simulation of the temperature distribution and modelling of molten pool parameters at electron beam drip melting of copper. Electrotechnica & Electronica („E+„E), v. 54 (3-4), 2019, pp.85-91

9. Mladenov G., Koleva E., Trushnikov D. Welding in space and in vacuum chambers. Electrotechnica & Electronica („E+„E), v. 54 (5-6), 2019, pp. 111-121

10. L. Koleva, E. Koleva, M. Nemţanu, M. Braşoveanu. Overall robust optimization approach for electron beam induced grafting processes. Electrotechnica & Electronica . E+E, v. 54 (9-10), 2019, pp.153-160.

11. Trushnikov, D.N., Koleva, E., Davlyatshin, R.P. et al., Mathematical modeling of the electron-beam wire deposition additive manufacturing by the smoothed particle hydrodynamics method, Mechanics of Advanced Materials and Modern Processes, 5, 4 (2019), doi:10.1186/s40759-019-0044-1

12. K.Vutova, T.Tanaka, Electron Beam Processing of Materials. IE BAS - HIT joint research during the last 25 years. Proc. of the 3rd International Education and Research Workshop of Electronic Devices, Circuits, Illuminations, and Systems, Japan, 1-2, (2019)

2018 г.

1. K.Vutova, V.Vassileva, E.Koleva, V.Stefanova, D.P.Amalnerkar. Effects of process parameters on electron beam melting technogenic materials for obtaining rare metals. Journal of Physics: Conference Series, 1089 (1), 012013, 2018, doi :10.1088/1742-6596/1089/1/012013

2. D.Adkar, P.Adhyapak, U.Mulik, S.Jadkar, K.Vutova, D.Amalnerkar, Single-Stroke Synthesis of Tin Sulphide/Oxide Nanocomposites Within Engineering Thermoplastic and Their Humidity Response, Journal of Nanoscience and Nanotechnology, v.18 (5), pp.3441-3447, (2018), doi:10.1166/jnn.2018.14851

3. I.Kostic, K.Vutova, A.Bencurova, R.Ritomsky, T.Tanaka, Experimental and theoretical study on chemically-semi-amplified resist AR-P 6200, Journal of Physics: Conference Series, v.992, 012057, doi :10.1088/1742-6596/992/1/012057, (2018)

4. E.Koleva, K.Vutova, I.Kostic. Simulation and experimental study on developed profiles in the positive polymer resist PMMA. Journal of Physics: Conference Series, 1089 (1), 012015, 2018, doi :10.1088/1742-6596/1089/1/012015

5. E.Koleva, K.Vutova, B.Asparuhova, I.Kostic, K.Cvetkov, V.Gerasimov. Modeling approaches for electron beam lithography. Journal of Physics: Conference Series, 1089 (1), 012016, 2018, doi :10.1088/1742-6596/1089/1/012016

6. L.Koleva, E.Koleva, I.Batchkova and G.Mladenov. Integrated control system for electron beam processes Journal of Physics: Conference Series, Volume 992/2018, 012014, Линк:

7. E.Koleva, Ts.Tsonevska and G.Mladenov. Empirical modeling of intensive electron beam interaction with materials. Journal of Physics: Conference Series, Volume 992/2018, 012015, Линк:

8. E.Koleva, V.Dzharov, V.Gerasimov, K.Tsvetkov and G.Mladenov. Electron beam deflection system control of welding and surface modification installation Journal of Physics: Conference Series, Volume 992/2018, 012013, Линк:

9. E.Koleva, L.Koleva, M.Braşoveanu, M.R.Nemţanu. Experimental design sequential generation and overall D-efficiency criterion for electron beam grafting of corn starch, Journalof Physics: Conference Series, Vol. 1089, 2018, doi :10.1088/1742-6596/1089/1/012018

10. M.Braşoveanu, L.Koleva, M.R.Nemţanu, E.Koleva and T.Paneva. Graphical user interface for investigation and optimization of electron beam induced grafting of starch. Journal of Physics: Conference Series, Vol. 1089 (1), 2018, doi :10.1088/1742-6596/1089/1/012017

11. T.Tsonevska, E.Koleva, L.Koleva and G.Mladenov. Modelling the shape of electron beam welding joints by neural networks. Journal of Physics: Conference Series, Vol. 1089, 2018, 012008, doi:10.1088/1742-6596/1089/1/012008

12. V.Dzharov, E.Koleva, V.Vassileva, R.Yordanova and S.Yankova. Modelling of the mechanical properties of steel 316L after EB treatment. Journal of Physics: Conference Series, 1089 (1), 012004, 2018, doi : 10.1088/1742-6596/1089/1/012004

13. G.Mladenov, E.Koleva and D.Trushnikov. Mathematical modelling for energy beam additive manufacturing. Journal of Physics: Conference Series, 1089 (1), 012001, 2018, doi :10.1088/1742-6596/1089/1/012001

14. S.Varushkin, D.Trushnikov, E.Koleva and D.Shamov, Using bremsstrahlung X-Ray for positioning of the filler wire during electron beam surfacing. Journal of Physics: Conference Series, 1089 (1), 012015, 2018, doi :10.1088/1742-6596/1089/1/012015

15. Y.Berencen, S.Prucnal, W.Moller, R.Hubner, L.Rebohle, R.Bottger, M.Glaser, T.Schonherr, Y.Yuan, M.Wang, Y.M.Georgiev, A.Erbe, A.Lugstein, M.Helm, S.Zhou, W.Skorupa. CMOScompatible controlled hyperdoping of silicon nanowires. Adv. Mater. Interfaces 2018, 5, 1800101. Линк:

16. Berencen, Y., Prucnal, S., Moller, W., Hubner, R., Rebohle, L., Schonherr, T., Khan, M. B., Wang, M., Glaser, M., Georgiev, Y. M., Erbe, A., Lugstein, A., Helm. M., Zhou, S. Formation of n- and p-type regions in individual Si/SiO2core/shell nanowires by ion beam doping. Nanotechnology, 29, 2018, DOI:10.1088/1361-6528/aadfb6, 474001

17. T.Tanaka, N.Okamitsu, N.Yamada, T.Takemoto, K.Vutova, Construction of a preliminary educational system for file backup system using secret sharing technique Electrotechnica and Electronica, vol.53, N 11-12, (2018), pp.321-326.

18. V.Kovacheva-Ninova, G.Savov, V.Vassileva, K.Vutova, E.Petrov, D.Petrov, Trends in the development of cobalt production Electrotechnica and Electronica, vol.53, N3-4, (2018), pp.84-94.

19. R.Matsuda, Y.Kijima, K.Kakugawa, H.Toyota, T.Tanaka, K.Vutova Control of plasma parameters by Penning ion effect J. Electrotechnica and Electronica, vol.53, N7-8, (2018), pp.189-193.

20. M.Demeter, I.C.lin, C.Vancea, T.Paneva, E.Koleva, L.Koleva. Modelling of E-beam Crosslinking of Composite Hydrogels. Electrotechnica & Electronica, vol. 53, N7-8, pp.224-228, (2018)

21. Ts.Tsonevska, E.Koleva, G.Mladenov. Model-based approach for the shape estimation of electron beam welding joints. Electrotechnica & Electronica, vol. 53, N9-10, pp.255.259,(2018).

22. Ts.Ivanova, E.Koleva, I.Batchkova, D.Nikolov Model-driven development of event management system. Electrotechnica & Electronica, vol.53, N9-10, pp.265.270, (2018)

23. M.Todorova, E.Koleva, I.Kotseva. Analysis of the ergonomic quality of e-learning through statistical methods. Electrotechnica & Electronica, vol. 53, N9-10, pp.271.278, (2018)

24. Kluge, T., Rodel, M., Metzkes. J., Pelka, A., Garcia, A. L., Principe, I., Rehwald, M., Nakatsutsumi, M., McBride, E. E., Schonherr, T., Garten, M., Hartley, N. J., Zacharias, M., Grenzer, J., Erbe, A., Georgiev, Y. M., Galtier, E., Nam, I., Lee, H. J., Gleaner, S., Bussmann, M., Gutt, C., Zeil, K., Rodel, C., Hubner, U., Schramm, U., Cowan, T. E., Observation of ultrafast solid-density plasma dynamics using femtosecond X-ray pulses from a free-electron laser, 2018, arXiv:1801.08404 [physics.plasm-ph]

25. K.Vutova, Electron Beam Lithography - limitations and study on different resists Keynote Proc. 4th International Conference on Nanotechnology - Applications, Advances and Innovation, India, pp.71-80, (2018)

26. K.Vutova, B.Asparuhova, E.Koleva, I.Kostic, V.Gerasimov, K.Cvetkov, Modeling and optimization of the resist profiles obtained by electron beam lithography Proc. 13th International Conference on Electron Beam Technologies, 2018, Varna, pp.192-196.

27. V.Vassileva, K.Vutova, M.Naplatanova, T.Tanaka, Possible solution for the recycling of metal wastes through electron beam melting, Proc. International Scientific Conference High Technologies. Business. Society 2018, Borovets, vol.I, iss.1 (3), pp.84-87, (2018).

28. Y.Arimoto, T.Machida, Y.Kijima, M.Hosoya, M.Arikado, K.Kakugawa, T.Tanaka, K.Vutova, Effect of plasma density on residual bacterial number and applied voltage, International Scientific Journal Science. Business. Society, 3, iss.1, pp.3-5, (2018).

29. K.Cvetkov, V.Gerasimov, I.Kostic, E.Koleva K.Vutova, B.Asparuhova, Electron beam energy deposition and resist profile modelling during electron beam lithography process Machines.Technologies.Materials (MTM), 12, 3, pp.124-127, (2018).

30. K.Vutova, T.Tanaka, Main results obtained under HIT-BAS joint research for the last 5 years, Proc. of the 1st International Education and Research Workshop of Electronic Devices, Circuits, Illuminations, and Systems, Japan, 1-2, (2018).

31. Ts.Tsonevska, E.Koleva, B.Asparuhova, T.Olshanskaya, K.Vutova, Modelling of the form of electron beam welding joints Mathematical Modeling. 2 (1), pp.13-16, (2018).

32. V.Vassileva, G.Savov, K.Vutova, V.Kovacheva-Ninova, E.Petrov, Contemporary methods for obtaining non-ferrous and rare metals from primary and technogenic raw materials Proc. XV International Scientific Congress Machines. Technologies. Materials. Borovets, 1 (8), pp.102-106, (2018).

33. L.Koleva, E.Koleva. Graphical user interface for optimization of electron beam welding by neural and regression models for obtaining defect-free welds. Machines. Technologies. Materials (MTM), 12, iss.2, pp.76-79, (2018).

34. Велев В., Ковачева-Нинова В., Василева В., Савов Г., Вутова К., Тенденции в световния добив и потребление на мед, Матер. Нац. Конф. „Минерално-сурвинната база на България”, стр.105-119, (2018).

35. Dzharov V., Koleva E. Functional areas and architectural framework for the management of the electron beam welding instalation Machines. Technologies. Materials (MTM), 12, 1, pp.41-43 (2018).

36. Paneva T., E.Koleva Analysis of the drug product quality parameters through statistical methods. International Scientific Journal "Science. Business. Society". 3, 2, pp.55-58 (2018).

37. К.Цветков, Е.Колева. Система за наблюдение и управление на условията на работната среда. Сборник доклади ХХVІ Международен симпозиум „Управление на енергийни, индустриални и екологични системи“, 17-18 май 2018, Банкя, 75-78.

38. В.Герасимов, Е.Колева. Домашна автоматизация с микроконтролер Arduino. Сборник доклади ХХVІ Международен симпозиум „Управление на енергийни, индустриални и екологични системи“, 17-18 май 2018, Банкя, 79-81.

2017 г.

1. Andok, R., Bencurova, A., Kostic, I., Ritomsky, A., Skriniarova, J., Vutova, K., Study of negative electron beam nanoresist HSQ on GaAs substrate, IEEE Catalog Number:CFP16469-PRT., pp. 133-136, (2017)

2. Ďurina P., A.Benčurova, M.Truchly, R.Andok, I.Kostič, B.Grančič, A.Plecenik, P.Ku., K.Vutova, E.Koleva. Simple patterning method of sub-micro- and nanometer structures for gas sensor. IEEE Catalog Number: CFP16469-PRT., pp.137-140, (2017)

3. Kostic, I., Vutova, K., Bencurova, A., Ritomsky, A., Andok, R., Limitations of variable shaped electron beam lithography for advanced research and semiconductor applications, Proceedings of the International Spring Seminar on Electronics Technology, art. no. 8000969, IEEE, 2017, DOI: 10.1109/ISSE.2017.8000969

4. Vutova, K., Vassileva, V., Naplatanova, M., Tanaka, T., Refining effect of electron beam melting on recycling of nickel wastes, Proceedings of the International Spring Seminar on Electronics Technology, art. no. 8000891, IEEE, 2017, DOI: 10.1109/ISSE.2017.8000891

5. W.Uddin, Y.M.Georgiev, S.Maity, S.Das. Dopant Induced Single Electron Tunneling within the Sub-bands of Single Silicon NW Tri-gate Junctionless n-MOSFET. J. Phys. D: Appl.Phys. 50 (2017) 365104 (7pp), https://doi.org/10.1088/1361-6463/aa7eb9. Линк:

6. I.Kostic, K.Vutova, A.Bencurova, P.Nemec, E.Koleva, Electron beam lithography method for high-resolution nanofabrication, Int. J. Machines.Technologies.Materials, 3, pp.106-109,(2017)

7. L.Koleva, E.Koleva, V.Tzotchev, Optimization of electron beam lithography process through robust engineering approach VI International Conference on Engineering, Technologies and Systems TECHSYS 2017, 6, pp.II-77 . II-82, (2017)

8. K.Cvetkov, V.Gerasimov, E.Koleva, L.Koleva, Quality and satisfaction for portable computers, VI International Conferecne on Engineering, Technologies and Systems TECHSYS 2017, 6, pp. II-353 . II-358, (2017)

9. K.Vutova, T.Tanioka, V.Basham, M.Yamauchi, Y.Masui, T.Tanaka, New approaches and trends aiming at achieving better results in education, Int. J. Industry 4.0, 1, pp.48-52 (2017)

10. Колева E., Джаров В. Моделиране на налягането във вакуумната система на електроннолъчеви инсталации. Proc. International scientific conference “High Technologies. Business. Society”, Borovets, v.I “High Technologies”,1 (1), 62-65, (2017)

11. Колева E., Панева Т. Определяне съдържанието на компонентите в смес от кофеин, парацетамол и пропифеназон. Proc. International scientific conference “High Technologies. Business. Society”, Borovets, v.I “High Technologies”, 1(1), 66-69, (2017)

12. Аспарухова Б., Колева E. Статистическо моделиране и оптимизация на геометрията на проявени резисти при електроннолъчева литография. Proc. International scientific conference “High Technologies. Business. Society”, Borovets, v.I “High Technologies”, 1(1),81-84, (2017)

13. Koleva L., Koleva E. Neural networks for defectiveness modeling at electron beam welding. Industry 4.0, 1, 5-8, (2017)

14. M.Todorova, D.Karamanska, E.Koleva, L.Koleva. Ergonomic Criteria for Evaluating the Quality of E-learning. Electrotechnica & Electronica E+E, v.52. No5-6, 24-30, (2017)

15. Цоневска Ц., Колева E. Робасно инженерно проектиране и параметрична оптимизация на процеса сушене на въздушни филтри. Proc. International scientific conference “High Technologies. Business. Society”, Borovets, v.I “High Technologies”, 1(1), 152-155, (2017)

16. Е.Колева, Л.Колева, К.Цветков, В.Герасимов. Модели за управление на електроннолъчева отклонителна система. Сборник доклади ХХV Международен симпозиум „Управление на енергийни, индустриални и екологични системи“, 11-12 май 2017, Банкя, 29-32, (2017)

17. Е.Колева, Л.Колева, Н.Христова, В.Цочев Невронни мрежи за появата на дефекти при електроннолъчево заваряване. Сборник доклади ХХV Международен симпозиум „Управление на енергийни, индустриални и екологични системи“, 11-12 май 2017,Банкя, 75-78, (2017)

18. E.Koleva, L.Koleva, G.Mladenov. Model-based optimization of electron beam welding for obtaining defect-free welds. Electrotechnica & Electronica E+E, v.52. N3-4, 22-28, (2017)

19. Ольшанская Т.В., Федосеева Е.М., Колева Е.Г. Построение тепловых моделей при электронно-лучевой сварке методом функций Грина. Вестник Пермского Национального Исследовательского Политехнического Университета, Машиностроение, Материаловедение, 3, 49-74, (2017)

2016 г.

1. K.Vutova, V.Vassileva, E.Koleva, N.Munirathnam, D.Amalnerkar, T.Tanaka. Investigation of Tantalum Recycling by Electron Beam Melting. Metals, 2016, 6, 287; pp.1-13, doi:10.3390/met6110287

2. K.Vutova, V.Donchev, Non-stationary heat model for electron beam melting and refining – An economic and conservative numerical method, Applied Mathematical Modelling, 2016, 40 (2), pp.1565-1575

3. I.Kostic, K.Vutova, E.Koleva, R.Andok, A.Bencurova, A.Konecnikova, G.Mladenov, “Study on polymers with implementation in electron beam lithography”, Chapter in book "Polymer science: research advances, practical applications and educational aspects", Eds. A. Méndez-Vilas, A. Solano-Martнn, Publ. Formatex Research Center, (2016), 488-497, ISBN: 978-84- 942134-8-9.

4. M.Bra.oveanu, E.Koleva, K.Vutova, L.Koleva, M.Nemţanu. Optimization Aspects on Modification of Starch Using Electron Beam Irradiation for the Synthesis of Water-Soluble Copolymers. Romanian Journal of Physics. Volume 61 (9-10), (2016)

5. M.Beshkova, L.Hultman and R.Yakimova „Device Application of Epitaxial Graphene on Silicon Carbide” Vacuum, 128, 186-189, (2016), DOI: 10.1016/j.vacuum.2016.03.027

6. D.Trushnikov, E.Krotova, E.Koleva. Use of a secondary current sensor in plasma during electron beam welding with focus scanning for process control. Journal of Sensors, Article ID 5302681, 1-13, (2016)

7. R.Andok, A.Bencurova, K.Vutova, E.Koleva, P.Nemec, P.Hrkut, I.Kostic, G.Mladenov, “Study of a new positive tone electron beam resist CSAR62 at 40 keV electron energy”, Journal of Physics: Conference Series, v.700, 012030, DOI: 10.1088/1742-6596/700/1/012030, (2016)

8. E.Koleva, L.Koleva, D.Todorov, G.Mladenov. „Electron Beam Characterization by Thomographic Approach”, Journal of Physics: Conference Series, 700, 1, (2016), http://dx.doi.org/10.1088/1742-6596/700/1/012013 Линк:

9. E.Koleva, V.Dzharov, M.Kardjiev and G.Mladenov. „Automation of the electron-beam welding process”, Journal of Physics: Conference Series, 700, 1, (2016), http://dx.doi.org/10.1088/1742-6596/700/1/012012 Линк:

10. V.Vassileva, K.Vutova, “Electron beam melting and refining – another possibility for recycling of metal scrap”, Machines, Technologies, Materials, 5, pp.58-61, (2016)

11. K.Vutova, “Modeling, simulation and process optimization at EBMR”, Proc. of the International Conf. “ebeam2016”, 16-25, (2016).

12. A.Bencurova, K.Vutova, E.Koleva, I.Kostic, A.Konecnikova, A.Ritomsky, G.Mladenov, “Resist characteristics simulation of HSQ electron beam resist”, Electrotechnica and Electronica, v.51, N5-6, , pp.246-250, (2016)

13. V.Vassileva, K.Vutova, M.Naplatanova, N.Munirathnam, D.Amalnerkar, “Pure Molybdenum obtaining through Electron Beam Melting of Scrap Materials”, Electrotechnica and Electronica, v.51, N5-6, 304-308, (2016)

14. E.Koleva, G.Mladenov, V.Dzharov, D.Todotov, M.Kardjiev, L.Koleva, Emittance – quantitative characteristics of welding beam quality Electrotechnica & Electronica – E+E, v.51, No5-6, 184-188, (2016)

15. K.Vutova, T.Tanioka, M.Yamauchi, T.Tanaka, Research and education systems in Bulgaria and Japan – comparison of the main features and some new approaches”, Proc. of the 4th Education and Research Workshop of Electronic Devices, Circuits, Illuminations, and Systems, HIT, 1-8, (2016).

16. G.Mladenov, D.Trushnikov, E.Koleva, V.Belenkiy. Parameters and some applications of plasma generated during keyhole welding using a highly concentrated energy beam – an overview. International Journal of Engineering Research & Science (IJOER), 2 (3), 50-70, 2016

17. G.Mladenov, E.Koleva, L.Koleva, V.Dzharov “State of the art of additive manufacturing by selective electron beam melting”, Electrotechnica & Electronica – E+E, v.51, No5-6, 14–24, 2016

18. E.Koleva, L.Koleva, M.Brasoveanu, M.R.Nemtanu, T.Paneva, V.Tzotchev, “Graphical user interface for optimization of starch modified by electron beam irradiation”, Electrotechnica & Electronica – E+E, v.51, No5-6, 281-287, (2016)

19. G.Mladenov, D.Trushnikov, E.Koleva, V.Belenkiy, “Characteristics of plasma generated during electron beam welding”, Electrotechnica & Electronica – E+E, v.51, No5-6, 79-85,2016

20. E.Koleva, L.Koleva, M. R.Nem.anu, M.Bra.oveanu, K.Vutova, V.Tzotchev “Investigation and optimization of electron beam grafting of corn starch”, Machines, Technology, Materials (MTM), 3, 52-55, (2016)

21. E.Koleva, L.Koleva, V.Tzotchev, M.Nemtanu, M.Brasoveanu, K.Vutova. Robust engineering approach for optimization of electron beam grafting of corn starch. Science, Engineering & Education, v.1(1), pp.89-96, (2016)

22. E.Koleva, V.Dzharov, P.Yordanov, “Automation control of EBW installation by SIMATIC S7-300 PLC”, Electrotechnica & Electronica – E+E, v.51, No5-6, 162-165, (2016)

23. E.Koleva, V.Dzharov, “Movement Control of Rotary Manipulator by Arduino Controller”, Int. conference “High technologies. Business. Society 2016”, Borovetz, 5/191, pp.47-50, 2016

24. E.Koleva, V.Dzharov. Modeling and control of a rotary manipulator by Arduino programmable logical micro-controller, Science, Engineering & Education, v.1(1), 97-105, 2016

25. E.Koleva, T.Paneva, V.Tzotchev. Stability shelf life estimation using linear regression models. Science, Engineering & Education, v.1(1), 106-112, 2016

26. E.Колева, Л.Колева, В.Цочев. Оптимизация на процеса електроннолъчево заваряване на неръждаема стомана 1H18NT чрез робастно инженерно проектиране. Автоматика и информатика, 2, стр.37-42, (2016)

2015 г.

1. Vutova K and Donchev V 2015 Non-stationary heat model for electron beam melting and refining - An economic and conservative numerical method Applied Mathematical Modelling http://dx.doi.org/10.1016/ j.apm.2015.08.008 Линк:

2. Vutova K, Nurgaliev T, Koutzarova T, Tinchev S and Milenov T 2015 Nanomaterials and nanotechnologies for electronics Journal of the Bulgarian Academy of Sciences 5 3-14 (in Bulgarian)

3. Vassileva V, Vutova K and Naplatanova M 2015 Pure tungsten obtaining by electron beam refining of tungsten scrap Proc. 4th Int. Conf. Eng. Techn. & Systems TECHSYS 2015 (Journal of the Technical University-Sofia Plovdiv branch) 31-36

4. Koleva E, Koleva L 2015 Parametric optimization at electron beam melting and refining of titanium Proc. 4th Int. Conf. Eng. Techn. & Systems TECHSYS 2015 (Journal of the Technical University - Sofia, Plovdiv branch) 41-46

5. Petrov P 2015 Physical Processes and Materials in Welding by High-Energy Fluxes Journal of Materials Science and Technology 23/1 52-61

6. Vutova K 2015 Good practice in training and improving students' skills for communication through presentations at international and domestic meetings in the field of applied physics and engineering - experience in Bulgaria Proc. of the 2nd Education and Research Workshop of Electronic Devices, Circuits, Illuminations and Systems (Hiroshima Japan) 1-2

7. Vutova K, Tanioka T, Yamauchi M and Tanaka T 2015 Review of HIT -BAS joint research during the last 20 years and prospects for the future. Association Hiroshima-Bulgaria Proc. of the 2nd Education and Research Workshop of Electronic Devices, Circuits, Illuminations and Systems (Hiroshima, Japan) 3-4

8. Koleva L, Koleva E 2015 Parameter optimization of electron beam welding by neural and regression models Proceedings Elektronica 2015(Sofia) 121-126

9. Koleva E, Dzharov V, Kardjiev M 2015 Automatic control of installation for electron beam welding Proceedings Elektronica 2015(Sofia) 133-138

10. Koleva L, Koleva E, Tzochev V 2015 Optimization of electron beam lithography process by robast engineering XII poster session for young scientists, PhD students and students - UCMT (Sofia)

11. Koleva E, Dzharov V 2015 Control of installation for electron beam welding by Siemens Simatic S7 300 XII poster session for young scientists, PhD students and students - UCMT (Sofia)

12. Koleva L, Koleva E, Dzharov V and Todorova M 2015 Investigation of the satisfaction from the education in UCTM - SOFIA Proc. International Scientific Conference "Post - crisis management in business" (Sofia) II 399-406

13. Todorova M, Koleva L, Koleva E and Iliev V 2015 Organization and optimization of e-learning at UCTM Proc. International Scientific Conference "Post - crisis management in business (Sofia) ІІ 438-446

14. Cummins C, Kelly R, Gangnaik A, Georgiev Y , Petkov N, Holmes J and Morris M 2015 Solvent Vapor Annealing of Block Copolymers in Confined Topographies: Commensurability Considerations for Nanolithography Macromol. Rapid Commun. 36 762?767

15. Cummins C, Gangnaik A, Kelly R, Borah D, O'Connell J, Petkov N, Georgiev Y, Holmes J and Morris M 2015 Aligned Silicon Nanofins via the Directed Self-Assembly of PS-b-P4VP Block Copolymer and Metal Oxide Enhanced Pattern Transfer Nanoscale 7/ 15 6712-21

16. Cummins C, Gangnaik A, Kelly R, Hydes A, O'Connell J, Petkov N, Georgiev Y, Borah D, Holmes J and Morris M 2015 Parallel Arrays of Sub-10 nm Aligned Germanium Nanofins from an ''In-situ'' Metal Oxide Hardmask using Directed Self-Assembly of Block Copolymer Chemistry of Materials 27/17 6091- 96

17. Gangnaik A, Georgiev Y and Holmes J 2015 Correlation of Lithographic Performance of the Electron Beam Resists SML and ZEP with their Chemical Structure Journal of Vacuum Science and Technology B 33 041601

18. O'Connell J, Verni G, Gangnaik A, Shayesteh M, Long B, Georgiev Y, Petkov N, McGlacken G, Morris M, Duffy R and Holmes J 2015 Organo-arsenic molecular layers on silicon for high density doping. ACS Appl. Mater. Interfaces 7, 15514?21

19. Kelly R, Liedke B, Baldauf S, Gangnaik A, Biswas S, Georgiev Y, Holmes J, Posselt M and Petkov N 2015 Epitaxial Post-Implant Recrystallization in Germanium Nanowires Cryst. Growth Des. 15/ 9 4581-90

КОНФЕРЕНЦИИ / 2015:

2nd Education and Research Workshop of Electronic Devices, Circuits, Illuminations and Systems (EDCIS), 07 November 2015, Hiroshima, Japan Vutova K, Tanioka T, Yamauchi M and Tanaka T Review of HIT -BAS joint research during the last 20 years and prospects for the future. Association Hiroshima-Bulgaria. Vutova K Good practice in training and improving students' skills for communication through presentations at international and domestic meetings in the field of applied physics and engineering - experience in Bulgaria.

Nineteenth International Summer School on Vacuum, Electron and Ion Technologies - VEIT 2015, 21-25 September, 2015, Sozopol, Bulgaria R.Andok, A.Bencurova, K.Vutova, E.Koleva, P.Nemec, P.Hrkut, I.Kostic, G.Mladenov Study of a new positive tone electron beam resist CSAR62 at 40 keV electron energy. Е.Koleva, L.Koleva, D.Todorov, G.Mladenov Electron Beam Characterization by Thomographic Approach E. Koleva, V. Dzharov, M. Kardjiev, G. Mladenov Automation of the electron beam welding process

4th International Conference on Engineering, Technologies and Systems TECHSYS 2015, 28-30 May 2015, Plovdiv, Bulgaria Vassileva V, Vutova K and Naplatanova M Pure tungsten obtaining by electron beam refining of tungsten scrap Koleva E, Koleva L Parametric optimization at electron beam melting and refining of titanium

International Scientific Conference "Post - crisis management in business", 27 November, Sofia, Bulgaria Koleva L, Koleva E, Dzharov V and Todorova M Investigation of the satisfaction from the education in UCTM - Sofia Todorova M, Koleva L, Koleva E and Iliev V Organization and optimization of e-learning at UCTM

National Conference with international participation "Electronica 2015" 14-15 May 2015, Sofia, Bulgaria Koleva L, Koleva E Parameter optimization of electron beam welding by neural and regression models. Koleva E, Dzharov V, Kardjiev M Automatic control of installation for electron beam welding

XII poster session for young scientists, PhD students and students, 22 May 2015, UCTM, Sofia, Bulgaria Koleva L, Koleva E, Tzochev V Optimization of electron beam lithography process by robast engineering. Koleva E, Dzharov V Control of installation for electron beam welding by Siemens Simatic S7 300

2014 г.

1. Vutova K, Donchev V, Vassileva V and Mladenov G, 2014 Thermal transfer process through treated metal regenerated by electron beam melting and refining J. Metal Sci. Heat Treatment 55 628-635

2. Koleva E, Mladenov G, Trushnikov D and Belenkiy Vl, 2014 Signal emitted from plasma during electron-beam welding with deflection oscillations of the beam J. of Materials Processing Technology 214 1812-1819

3. Trushnikov D, Mladenov G, Belenkiy V, Koleva E and Varushkin S, 2014 Current-driven ion-acoustic and potential-relaxation instabilities excited in plasma plume during electron beam welding AIP Advances 4 DOI: 10.1063/1.4870944

4. Belenkiy V, Ol'shanskaya T, Mladenov G, Koleva E, Abdullin A, Bykov S, 2014 Electron-beam welding of high-strength steels with bronze using dynamic electron-beam positioning Welding and Diagnostics 1 (In Russian)

5. Durina P, Bencurova A, Konecnikova A, Kostic I, Vutova K, Koleva E, Mladenov G, Kus P and Plecenik A, 2014 Patterning of structures by e-beam lithography and ion etching for gas sensor applications IOP Publishing, J. of Physics: Conference Series, 18th International Summer School on Vacuum, Electron and Ion Technologies 514 012037 DOI: 10.1088/1742-6596/514/1/012037

6. Donchev V and Vutova K, 2014 Optimization method based on mathematical heat model for electron beam melting and refining of metals IOP Publishing, J. of Physics: Conference Series, 2nd International Conference on Mathematical Modeling in Physical Sciences (Prague, Czech Republic) 490 012211, DOI: 10.1088/1742-6596/490/1/012211

7. Donchev V, Vutova K and Vassileva V, 2014 Experimental and numerical investigation of the refinement of Hf by EBM IOP Publishing, J. of Physics: Conf. Series, 18th International Summer School on Vacuum, Electron and Ion Technologies 514 012047 DOI: 10.1088/1742-6596/514/1/012047

8. Tashev P, Kandeva M and Petrov P, 2014 An investigation on the wear properties of carbon steel coated with nanoparticles using electron beam technique J. of the Balkan Tribological Association 20 227-233

9. Yu R, Georgiev Y, Das S, Hobbs R, Povey I, Petkov N, Shayesteh M, O'Connell D, Holmes J and Duffy R, 2014 Junctionless Nanowire Transistor fabricated with a high mobility Ge channel Phys. Status Solidi Rapid Research Letters (RRL) 8 65-68 doi:10.1002/pssr.201300119

10. Georgiev Y, Petkov N, McCarthy B, Yu R, Djara V, O'Connell D, Lotty O, Nightingale A, Thamsumet N, deMello J, Blake A, Das S and Holmes J, 2014 Fully CMOS-compatible top-down fabrication of sub-50 nm silicon nanowire sensing devices Microelectronic Engineering 118 47-53 doi: 10.1016/j.mee.2013.12.031

11. Buitrago E, Fernandez-Bolanos M, Georgiev Y, Yu R, Lotty O, Holmes J, Nightingale A, Guerin H and Ionescu A, 2014 Electrical characterization of high performance, liquid gated vertically stacked SiNW-based 3D FET for biosensing applications Sensors & Actuators: B. Chemical 199 291-300 doi:10.1016/j.snb.2014.03.099

12. Gangnaik A, Georgiev Y, McCarthy B, Petkov N, Djara V and Holmes J, 2014 Characterisation of a novel electron beam lithography resist, SML and its comparison to PMMA and ZEP resists Microelectronic Engineering 123 126-130 doi:10.1016/j.mee.2014.06.013

13. Vutova K, Vassileva V, Stoimenov A, Koleva E, Ivanova T, Bodurov G, Gesheva K and Mladenov G, 2014 Optical and structural investigation of WOx films, deposited by electron beam evaporation process J. Electrotechnica and Electronica 49 226-230

14. Shimono K, Fujimura N, Noguchi H, Toyota H, Shiray Y, Tanaka T and Vutova K, 2014 Pulse width dependence of the self-ignited plasma using a plasma-based ion implantation J. Electrotechnica and Electronica 49 329-333

15. Vassileva V, Vutova K, Donchev V, Stoimenov A, Amalnerkar D and Munirathnam N, 2014 Electron beam melting and recycling of nickel J. Electrotechnica and Electronica 49 138-143

16. Kozai H, Fujimura N, Noguchi H, Toyota H, Shirai Y, Tanaka T and Vutova K, 2014 Preliminary estimation of incident ion energy by using simulation software (PEGASUS) J. Electrotechnica and Electronica 49 334-338

17. Donchev V, Vutova and Chernogorova T, 2014 Economic and conservative numerical scheme for non-stationary heat model for EBMR J. Electrotechnica and Electronica 49 132-137

18. Tanaka T and Vutova K, 2014 The report of joint research over 20 years of the Bulgarian Academy of Sciences and Hiroshima Institute of Technology Bull. Hiroshima Inst. Tech. Research 48 105-114

19. Kostic I, Bencurova A, Konecnikova A, Nemec P, Ritomsky A, Koleva E, Vutova K and Mladenov G, 2014 Study of electron beam resists: negative tone HSQ and positive tone SML300 J. Electrotechnica and Electronica 49 279-283

20. Koleva E, Christova N, Mladenov G, Trushnikov D and Belenkiy V, 2014 Neural network based approach for quality improvement of electron beam welding J. Electrotechnica and Electronica 49 42-48

21. Trushnikov D, Mladenov G, Belenkiy V and Koleva E, 2014 Ion current collected from generated plasma during EBW J. Electrotechnica and Electronica 49 22-29

22. Koleva E, Trushnikov D, Belenkiy V and Mladenov G, 2014 Control of electron beam welding of plates, using beam current of back plate side J. Electrotechnica and Electronica 49 30-33

23. Koleva E, Mladenov G, Kardjiev M and Todorov D, 2014 Electron beam characterization at changes of EBW process parameters J. Electrotechnica and Electronica 49 46-55

24. Koleva E, Trushnikov D, Belenkiy V, Mladenov G, Angelov S and Todorov D, 2014 Model-based quality optimization of EBW of steel J. Electrotechnica and Electronica 49 90-96

25. Spivak V, Koleva E and Vlasiuk A, 2014 Development and generalization of scientific and educational information book in the field of nanoelectronics J. Electrotechnica and Electronica 49 356-359

26. Petrov P, 2014 Welding of low alloyed steel using high-energy fluxes Proc. of 40th International Conference "Welding 2014" (Sibenik Croatia) 41-48

27. Duffy R, Shayesteh M, Thomas K, Pelucchi E, Yu R, Gangnaik A, Georgiev Y, Carolan P, Petkov N, Long B and Holmes J, 2014 Access resistance reduction in Ge nanowires and substrates based on non-destructive gas-source dopant in-diffusion J. Mater. Chem. C 2 9248-9257 DOI: 10.1039/c4tc02018a

28. Vutova K, 2014 Computational modeling and optimization approach at material treatment by electron beams Plenary and Keynote Proc. "Nanocon 014", 3rd International Conference Nanotechnology Smart Materials, Composites, Applications and New Inventions (Pune, India) 72-77

29. Tachev P, Petrov P, Valkanov S, Stefanov G and Balabanova E, 2014 Electron beam surface alloying of low carbon steel with TiN, TiCN, Y2O3 nanoparticles J. Nanoscience & Nanotechnology 14 183-186

30. Trushnikov D, Belenkiy V, Salomatova E, Mladenov G and Koleva E, 2014 On the fluctuation processes in the zone of impact of a high-power focused electron beam in electron-beam welding Proc. International Scientific-Technical Conference "Technologies and Equipment EBW-2014" May 2014 Saint Petersburg, Russia (In Russian)

31. Koleva Е, Christova N, Mladenov G, Trushnikov D and Belenkiy V, 2014 Neural network based approach for quality improvement of electron beam welding Proc. Conf. "Electronica 2014" 15 May 2014 (Sofia, Bulgaria) 120-128

32. Koleva L, Koleva E and Christova N, 2014 Modeling of the electron-beam lithography process by neural networks and regression analysis Proc. National Scientific-Technical Conference with International Participation "Automation in Mining and Metallurgy" BULKAMK'14 2014 Sofia, Bulgaria 81-86 (In Bulgarian)

33. Georgiev Y, Yu R, Petkov N, Lotty O, Nightingale A, deMello J, Duffy R and Holmes J, 2014 Silicon and germanium junctionless nanowire transistors for sensing and digital electronics applications In "Functional Nanomaterials and Devices for Electronics, Sensors and Energy Harvesting", Nazarov A, Balestra F, Kilchytska V, Flandre D, eds. Springer International Publishing AG, (Cham Switzerland) 367-388 DOI:10.1007/978-3-319-08804-4_17

34. Koleva E, 2014 The EBT 2014 International Conference Science and Society Newspaper 7 2-3 (In Bulgarian)

КОНФЕРЕНЦИИ / 2014:

11th International Conference on Electron Beam Technologies, 08-12 June 2014, Varna, Bulgaria Donchev V, Vutova and Chernogorova T Economic and conservative numerical scheme for non-stationary heat model for EBMR Vassileva V, Vutova K, Donchev V, Stoimenov A, Amalnerkar D and Munirathnam N Electron beam melting and recycling of nickel Kostic I, Bencurova A, Konecnikova A, Nemec P, Ritomsky A, Koleva E, Vutova K and Mladenov G Study of electron beam resists: negative tone HSQ and positive tone SML300 Vutova K, Vassileva V, Stoimenov A, Koleva E, Ivanova T, Bodurov G, Gesheva K and Mladenov G Optical and structural investigation of WOx films deposited by electron beam evaporation process Shimono K, Fujimura N, Noguchi H, Toyota H, Shiray Y, Tanaka T and Vutova K Pulse width dependence of the self-ignited plasma using a plasma-based ion implantation Kozai H, Fujimura N, Noguchi H, Toyota H, Shirai Y, Tanaka T and Vutova K Preliminary estimation of incident ion energy by using simulation software (PEGASUS) Koleva E, Christova N, Mladenov G, Trushnikov D and Belenkiy V Neural network based approach for quality improvement of electron beam welding Trushnikov D, Mladenov G, Belenkiy V and Koleva E Ion current collected from generated plasma during EBW Koleva E, Trushnikov D, Belenkiy V and Mladenov G Control of electron beam welding of plates using beam current of back plate side Koleva E, Mladenov G, Kardjiev M and Todorov D Electron beam characterization at changes of EBW process parameters Koleva E, Trushnikov D, Belenkiy V, Mladenov G, Angelov S and Todorov D Model-based quality optimization of EBW of steel Spivak V, Koleva E and Vlasiuk A Development and generalization of scientific and educational information book in the field of nanoelectronics

Second scientific conference with Int. Participation "Innovation Technologies in Mechanical Engineering and Material Science", Sept. 2014, Perm, Russia Koleva E, Mladenov G, Trushnikov D, Belenkiy V Modeling and optimization of electron-beam welding (EBW) of steel

International Conference "Technologies and Equipment EBW-2014", May 2014, St. Petersburg, Russia Trushnikov D, Belenkiy V, Salomatova E, Mladenov G and Koleva E 2014 On the fluctuation processes in the zone of impact of a high-power focused electron beam in electron-beam welding (In Russian)

National Conference with International Participation "Electronica 2014" 15 May 2014, Sofia, Bulgaria Koleva Е, Christova N, Mladenov G, Trushnikov D and Belenkiy V Neural network based approach for quality improvement of electron beam welding

40th International conference "Welding 2014", May 2014, Sibenik, Croatia P. Petrov Welding of low alloyed steel using high-energy fluxes

National Conference with International Participation "Automation in Mining and Metallurgy BULKAMK'14", 6-7 November, Sofia, Bulgaria Koleva L, Koleva E and Hristova N Modeling of electron beam lithography process by neural network and regression analysis

2013 г.

1. Vutova K and Donchev V 2013 Electron beam melting and refining of metals: Computational modeling and optimization Materials 6 4626-40 DOI:10.3390/ma6104626

2. Vutova K, Donchev V, Vassileva V and Mladenov G 2013 Thermal transfer process through treated metal regenerated by electron beam melting and refining J. Metal Sci. Heat Treatment 11 53-60

3. Trushnikov D, Koleva E, Mladenov G and Belenkiy V 2013 Effect of beam deflection oscillations on the weld geometry J. Material Proc. Technol. 213 1623-34

4. Buitrago E, Fagas G, Fernandez-Bolanos Badia M, Georgiev Y M, Berthome M and Ionescu A M 2013 Junctionless silicon nanowire transistors for the tunable operation of a highly sensitive, low power sensor Sensors and Actuators B 183 1-10 http://dx.doi.org/10.1016/j.snb.2013.03.028 Линк:

5. Yu R, Georgiev Y, Das S, Hobbs R G, Povey I M, Petkov N, Shayesteh M, O'Connell D, Holmes J D and Duffy R 2013 Junctionless nanowire transistor fabricated with high mobility Ge channel Physica Status Solidi Rapid Res. Letters available online 14.10.2013 DOI: 10.1002/pssr.201300119

6. Vutova K, Donchev V, Vassileva V, Amalnerkar D, Munirathnam N and Prakash T 2013 Application of non-stationary thermal model for simulation and investigation of heat and refining processes of Ti during EBMR 2013 Proc. EPD Congress TMS (Wiley USA) 253-60

7. Trushnikov D, Koleva E, Mladenov G M, Belenkiy V Ya and Salomatova E S 2013 Weld formation control at electron beam welding with focal spot scanning Middle-East J. Sci. Res. 6 1062-68

8. Vutova K, Donchev V, Vassileva V, Koleva E and Mladenov G 2013 Investigation of electron beam drip melting by a time-dependent heat model Proc. Int. Conf. High-Power Electron Beam Technol. EBEAM 2012 (Reno Nevada USA) 35-41

9. Koleva E, Vassileva V, Mollov D, Vutova K and Mladenov G 2013 Model-based approach for quality optimization of EBMR process of Ta Proc. Int. Conf. High-Power Electron Beam Technol. EBEAM 2012 (Reno Nevada USA) 16-24

10. Koleva E, Trushnikov D, Belenkii V and Mladenov G 2013 Quality optimization at electron beam welding of steels Proc. Int. Conf. High-Power Electron Beam Technol. EBEAM 2012 (Reno Nevada USA) 48-68

11. Vutova K, Mladenov G, Vassileva V, Koleva E, Georgiev Y, Beshkova M and Donchev V 2013 Nanoelectronics, new materials and technologies J. BAS 6 55-69 (in Bulgarian)

12. Vassileva V and Vutova K 2013 Criteria for refining hafnium scrap using electron beam melting J. of the Technical University - Sofia, Plovdiv branch 19 281-86

13. Donchev V and Vutova K 2013 Application software based on non-stationary heat model for simulation of the heat processes during electron beam melting of metals J. of the Technical University - Sofia, Plovdiv branch 19 293-8

14. Koleva E, Mladenov G, Trushnikov D and Belenkiy V 2013 Increasing energy efficiency in welding J. Electrotechnica and Electronica 5-6 40-46

15. Koleva E and Mladenov G 2013 Energy efficiency and renewable energy generation in Bulgaria J. Electrotechnica and Electronica 5-6 13-27

16. Koleva E, Mladenov G, Trushnikov D and Belenkiy V 2013 Quality analysis for efficient electron beam welding process J. Electrotechnica and Electronica 5-6 190-204

17. Belenkiy V, Trushnikov D, Mladenov G and Koleva E 2013 Electron beam welding the highly effective energy saving way of joining metal construction materials J. Electro-technica and Electronica 5-6 47-51

18. Vutova K, Donchev V, Vassileva V, Koleva E and Mladenov G 2013 Regeneration of materials by electron beam melting and refining of refractory metals and alloys in vacuum Annual Report 2012 Institute of Electronics, BAS, Eds. Ch. Ghelev and N. Guerassimov 91-6

19. Koleva E and Mladenov G 2013 Energy efficiency and renewable energy generation in Bulgaria Proc. Int. Joint Symp. Renewable Energy Sources and Healthy Buildings

20. Belenkiy V, Trushnikov D, Mladenov G and Koleva E 2013 Energy influence optimization of electron beam at electron beam welding of thick metals Mechanical Engineering, Material Sci. (Perm National Research Polytechnic University) 15/3 33-40 (in Russian)

21. Tachev P, Valkanov S, Petrov P and Balabanova E 2013 Microstructure of gas metal arc welded carbon steel with nanoparticles Nanoscience & Nanotechnology 13 199-201

22. Yu R, Georgiev Y, Lotty O, McCarthy B, Petkov N, O'Connell D, Nightingale A, Das S and Holmes J 2013 Si junctionless transistor for sensing application: subthreshold region sensor Proc. Ninth Workshop Thematic Network on Silicon on Insulator Technology, Devices and Circuits EUROSOI (Paris France)

23. Yu R, Georgiev Y, Povey I M, Das S, Petkov N, Shayesteh M, O'Connell D, Holmes J D and Duffy R 2013 Ge nanowire junctionless transistor Proc. Ninth Workshop Thematic Network on Silicon on Insulator Technology, Devices and Circuits EUROSOI (Paris France)

24. Georgiev Y, Yu R, Povey I M, Das S, McCarthy B, Petkov N, O'Connell D, Lotty O, Shayesteh M, Nightingale A, R. Duffy R and Holmes J D 2013 Silicon and germanium junctionless nanowire transistors for sensing and digital electronics applications Proc. 7th Int. Workshop Functional Nanomaterials and Devices and 2nd Ukrainian-French Seminar Semi-conductor-on-Insulator Materials, Devices and Circuits: Physics, Technology & Diagnostic (Kiev, Ukraine) (invited talk)

25. Koshro-Pour N, Kayal M, Jia G, Eisenhawer B, Falk F, Nightingale A, de Mello J C, Georgiev Y M, Petkov N, Holmes J D, Nolan M and Fagas G 2013 A miniaturised autonomous sensor based on nanowire materials platform: the SiNAPS mote Proc. SPIE 8763 Smart Sensors, Actuators, and MEMS VI doi:10.1117/12.2017520; http://dx.doi.org/10.1117/12.2017520 Линк:

26. Buitrago E, Fernandez-Bolanos M, Georgiev Y M, Yu R, Lotty O, Holmes J D, Nightingale A M and Ionescu A M 2013 3D silicon nanostructures for biosensing applications: functionalized 3D 7x20-array, vertically stacked SiNW FET for streptavidin sensing Proc. 71st Annual Device Res. Conf. DRC 2013 (Notre Dame, IN, USA) doi: 10.1109/DRC.2013.6633887

КОНФЕРЕНЦИИ / 2013:

International Joint Symposium on Renewable Energy Sources and Healthy Buildings, 21-24 April 2013, Belgrade, Serbia Koleva E and Mladenov G Energy efficiency and renewable energy generation in Bulgaria.

142nd Annual Meeting & Exhibition TMS 2013, 3-7 March 2013, San Antonio, Texas, USA Vutova K, Donchev V, Vassileva V, Amalnerkar D, Munirathnam N and Prakash T Application of non-stationary thermal model for simulation and investigation of heat and refining processes of Ti during EBMR.

Third International Conference Engineering, Technologies and Systems, TECHSYS 2013, 29-31 May 2013, Plovdiv, Bulgaria Donchev V and Vutova K Application software based on non-stationary heat model for simulation of the heat processes during electron beam melting of metals. Vassileva V and Vutova K Criteria for refining hafnium scrap using electron beam melting.

International Conference on Mathematical Modeling in Physical Sciences - IC-MSQUARE, Sept. 1-5, 2013, Prague, The Czech Republic Donchev V and Vutova K Optimization method based on mathematical heat model for electron beam melting and refining of metals.

Eighteenth International Summer School on Vacuum, Electron and Ion Technologies - VEIT 2013, 7-11 October, 2013, Sozopol, Bulgaria Donchev V, Vutova K and Vassileva V Experimental and numerical investiga-tion of the refinement of Hf by EBM.

2012 г.

1. Vutova K, Donchev V, Vassileva V and Mladenov G 2012 Influence of process and thermo-physical parameters on the heat transfer at electron beam melting of Cu and Ta Supplem. Proc. Materials Processing and Interfaces TMS (Wiley USA) 125-32

2. Oane M, Vutova K, Mihailescu I N, Donchev V, Florescu G, Munteanu L and Georgescu G 2012 The study of vacuum influence on spatial-temporal dependence of thermal distributions during laser-optical components interaction Vacuum 86 1440-42

3. Vutova K ed 2012 Research and development of new materials on the base of recycling of reactive and refractory metals scrap through electron beam method Proc. IE-BAS 172 page

4. Beshkova M, Birch J, Syvajarvi M and Yakimova R 2012 Sublimation epitaxy of 3C-SiC grown at Si- and C-rich conditions Vacuum 86 1595-9

5. Beshkova M, Grigorov K, Nedkov I, Massi M, Sismanoglu B, Maciel H and Velchev N B 2012 Properties of thin silicon carbide films prepared by rapid thermal annealing J. Physics 356 012039

6. Lotty O, Petkov N, Georgiev Y M and Holmes J D 2012 Porous to nonporous transition in the morphology of metal assisted etched silicon nanowires Jap. J. Appl. Phys. 51 11PE03

7. Hobbs R G, Schmidt M, Bolger C T, Georgiev Y M, Xiu F, Wang K L, Fleming P, Morris M A, Djara V, Yu R, Colinge J-P, Petkov N and Holmes J D 2012 Resist-substrate interface tailoring for generating high density arrays of Ge and Bi2Se3 nanowires by electron beam lithography J. Vac. Sci. Technol. B 30/4 041602(1)-041602(7)

8. Šăajev P, Onufrijevs P, Manolis G, Karaliünas M, Nargelas S, Jegenyes N, Lorenzzi J, Ferro G, Beshkova M, Vasiliauskas M, Syväjärvi M, Yakimova R, Kato M and Jarasiunas K 2012 Metrological potential of time resolved optical techniques for characterization of differently grown 3C-SiC crystals and heterostructures Materials Sci. Forum 771 159-63

9. Vutova K and Donchev V 2012 Time-dependent thermal model for electron beam melting of metals and alloys J. Electrotechnica and Electronica 47/5-6 273-9

10. Donchev V, Oane M, Vutova K, Mihailescu I N, Vassileva V, Koleva E, Mladenov G and Toader D 2012 Heat transfer study based on time-dependent mathematical model and experimental data at EBMR of Ta J. Electrotechnica and Electronica 47/5-6 pp 280-84

11. Petrova D, Koleva E and Voutchkov I 2012 Model-based robust parametric design of automatic cleaning process J. Pharmaceutical Innovation 7/1 30-7

12. Petrov P 2012 Surface modification of aluminum alloys using hybrid treatment techniques J. Phys.: Conf. Series 356 012035

13. Schmidt M, Nazneen F, Georgiev Y, Herzog G, Galvin P and Petkov N 2012 FIB patterning of stainless steel for the development of nano-structured stent surfaces for cardiovascular applications J. Phys.: Conf. Series 371 012065

14. Vassileva V, Vutova K and Donchev V 2012 Recycling of alloy steel by electron beam melting J. Electrotechnica and Electronica 47/5-6 285-91

15. Vutova K 2012 Mathematical modeling of sub-micron and nano-structures at electron beam lithography Plenary and Keynote Proceedings "Nanocon 012" (2nd Int. Conf. Nanotechnology - Innovative Materials, Processes, Products and Applications) pp 23-32

16. Bencurova A, Nemec P, Kostic I, Vutova K, Koleva E and Mladenov G 2012 Investigation of sensitivity of electron resists J. Electrotechnica and Electronica 47/5-6 10-13

17. Mladenov G, Koleva E and Vutova K 2012 Nanotechnology and nanomaterials - a collaboration between Bulgaria (IE-BAS) and Ukraine (National Technical University "KPI") Annual Report 2011 Institute of Electronics, BAS, Eds. Ch. Ghelev and N. Guerassimov pp 87-95

18. Koleva E, Mladenov G, Trushnikov D and Belenkiy V 2012 Model-based approach for investigation of electron beam welding of high-strength J. Electrotechnica and Electronica 47/5-6 115-8

19. Trushnikov D, Koleva E, Belenkiy V and Mladenov G 2012 Experimental investigation of the weld cross section at electron beam welding of high-strength steel J. Electrotechnica and Electronica 47/5-6 108-14

20. Mladenov G, Vutova K, Vassileva V, Georgieva E, Petrov E, Pankov V and Petrov D 2012 Recycling of refractory and reactive metals scrap and their alloys through electron beam method; exploring the availability of metal scrap and marketing analysis, economic and environmental effect evaluation of application of EBM for recycling of refractory and reactive metals Proc. Research and Development of New Materials on the Base of Recycling of Reactive and Refractory Metals Scrap through Electron Beam Method ed K. Vutova (IE-BAS) pp 9-20 (in Bulgarian)

21. Toader D, Oane M, Mihailescu I, Ticos C, Serban N, Ristoscu C, Vutova K, Georgescu G and Donchev V 2012 Beam dynamics: a new computational approach J. Electrotechnica and Electronica 47/5-6 33-5

22. Petrov P 2012 Techniques for on-line monitoring and inspection of electron beam welding process Proc. 2nd Int. Electron Beam Welding Conf. pp 114-7

23. Yu R, Das S, Hobbs R, Georgiev Y, Ferain I, Razavi P, Dehdashti Akhavan N, Colinge C A and Colinge J-P 2012 Top-down process of germanium nanowires using EBL exposure of hydrogen silsesquioxane resist Proc. 13th Int. Conf. Ultimate Integration on Silicon (ULIS) IEEE Conf. Publications pp 145-8

24. Mihailov V, Karhin V and Petrov P 2012 Fundamentals of welding (Stroitelni Konstrukcii OOD) 197 pages (in Bulgarian)

КОНФЕРЕНЦИИ / 2012:

Workshop Nanomaterials for solar energy, 26-29 Jan. 2012, Gothenburg, Sweden E.Koleva

141 TMS2012, 10-17 March 2012, Orlando, USA K. Vutova

10th Anniversary Int. Conf. Electron Beam Technologies, 1-4 June 2012, Varna, Bulgaria K. Vutova, E. Koleva, V.Donchev and D.Dimitrov

Int. Conf. High-Power Electron Beam Technology, 14-16 Oct. 2012, Reno, USA K. Vutova and E. Koleva

IInd Int. Conf. Nanotechnology - Innovative Materials, Processes, Products and Applications, 17-18 Oct. 2012, Pune, India K. Vutova

2011 г.

1. Shmireva A X, Mladenov G M, Spivak V M, Koleva E G and Bogdan A V 2011 Nanoelectronics Series Book 2 Materials and Functional Devices (Kiev-Sofia Avers Publishers) 394 pages (in Russian)

2. Vutova K, Mladenov G M and Tanaka T 2011 Practical Aspects and Applications of Electron Beam Irradiation chapter Photoelectron Signal Simulation at Surface Analysis Еds. Nemtanu M and Brasoveanu M, (Research Signpost/Transworld Research Network) pp 235-54

3. Mladenov G M, Vutova K, Koleva E and Vasileva V 2011 Practical Aspects and Applications of Electron Beam Irradiation chapter Experimental and Theoretical Studies of Electron Beam Melting and Refining Еds. Nemtanu M and Brasoveanu M, (Research Signpost / Transworld Research Network) pp 43-93

4. Mladenov G M, Koleva E and Vutova K 2011 Practical Aspects and Applications of Electron Beam Irradiation chapter Electron Lithography of Submicron and Nano Structures Practical Aspects and Applications of Electron Beam Irradiation chapter Electron Lithography of Submicron and Nano Structures

5. Koleva E and Mladenov G M 2011 Practical Aspects and Applications of Electron Beam Irradiation chapter Experience on electron beam welding Еds. Nemtanu M and Brasoveanu M, (Research Signpost / Transworld Research Network) pp 94-134

6. Vutova K, Mladenov G M and Koleva E 2011 Simulation of thermal transfer process in cast ingots at electron beam melting and refining Int. Rev.Mech. Eng. 5/2 257-65

7. Vutova K, Mladenov G M, Koleva E, Kostic I, Bencurova A, Nemec P and Tanaka T 2011 Nonlinear solubility behavior of polymer and oligomer resists at electron beam modification Mater. Sci. Eng. B 1 523-9

8. Vutova K, Vassileva V, Mladenov G M, Koleva E, Prakash T and Munirathnam N 2011 Electron beam melting and recycling of hafnium Supplem. Proc. General Paper Selections TMS 3 (Wiley USA) pp 725-32

9. Mladenov G M, Koleva E and Vutova K 2011 Heat transfer and weld geometry at electron beam welding Int. Rev. Mech. Eng. 5/2 235-43

10. Manolis G, Beshkova M, Syvajarvi M, Yakimova R and Jarasiunas K 2011 Carrier dynamics in hetero- and homo-epitaxially sublimation grown 3C-SiC layers Mater. Sci. Forum 679-680161-4

11. Mladenov G M 2011 The vacuum theory is one possible future idea for the world J. BAS 4 23-30 (in Bulgarian)

12. Zgurev V, Kenderov P, Tsvetanov H, Kralchevski P, Hadjiiski P, Filipov F, Rumenin Ch, Popov A, Kovachev A, Mladenov G and Atanasov P 2011 Position on problems concerning the technological development of Bulgaria J. BAS 3 55-70 (in Bulgarian)

13. Mladenov G M, Spivak V, Koleva E, Bogdan A and Zelensky S 2011 Micro- and nanostructures in modern memory devices Electronics and comunications thematic edition Electronics and Nanotechnol. 2 5-8

14. Mladenov G M, Spivak V, Koleva E, Bogdan A and Zelensky S 2011 Prospects in spin transport electronics Electronics and Comunications Thematic edition Electronics and Nanotechnol. 3 9-13

15. Mladenov G M, Spivak V, Koleva E and Bogdan A 2011 New technologies and materials for some conventional renewable sources of energy Proc. 2nd Int. Conf. Energy Smart Systems (Svalyavska district Transcarpatian region Ukraine) pp 56-63

16. Yakimenko Y, Mladenov G M, Spivak V, Bogdan A and Koval V 2011 Photoelectric converters: Current state analysis and prospects of evolution Proc. Int. Conf. Nanotechnol. and Biomedical engine. (Chisinau Republic of Moldova 7-8 July 2011) pp 67-71

17. Mladenov G M 2011 Nanotechnology and nanomaterials used in the renewable energy sources Proc. 13th Int. Conf. Electrical Machines, Drives and Power Systems (Varna Bulgaria) pp 9-16

18. Vassileva V, Vutova K, Mladenov G M and Koleva E 2011 Investigation of tantalum recycling by electron beam melting method Proc. Int. Conf. Eng., Techn. & Systems pp 263-8

19. Mladenov G M 2011 State of the art of concentrated solar power generation technologies Proc. Int. Symp. Advanced Solutions in Applied Energy Technologies (19-21 Sept. 2011 Sofia Bulgaria) pp 5-21

20. Mladenov G M and Koleva E 2011 Photovoltaic energy conversion technologies: State-of-the-art Proc. Int. Symp. Adv. Solutions in App. Energy Technol. (19-21 Sept. 2011 Sofia Bulgaria) pp 22-41

21. Koleva E and Mladenov G M 2011 Description of technology of a production line for CGIS photovoltaic panels Proc. Int. Symp. Adv. Solutions in App. Energy Technol. (19-21 Sept. 2011 Sofia Bulgaria)42-55

22. Donchev V, Vutova K and Mladenov G M 2011 Computer simulation and mathematical modeling in solar thermal hydrogen reactors Proc. Int. Symp. Adv. Solutions in App. Energy Technol. (19-21 Sept. 2011 Sofia Bulgaria) pp 64-74

23. Tabakov D and Mladenov G M 2011 Hydrogen application in power engineering and transport Proc. Int. Symp. Adv. Solutions in App. Energy Technol. (19-21 Sept. 2011 Sofia Bulgaria) pp 104-110

24. Todorov D and Mladenov G M 2011 Some trends and problems of inverters for photovoltaic systems Proc. Int. Symp. Adv. Solutions in App. Energy Technol. (19-21 Sept. 2011 Sofia Bulgaria) pp 83-97

25. Mladenov G M and Koleva E 2011 Calculation and optimization of geometric characteristics of the weld at EBW Proc. Int. Conf. EBW Technol. & Equipment (Sankt Petersburg Russia 23-26 May 2011) pp 116-130

26. Koleva E, Christova N, Velev K and Petrova D 2011 Model based approach for quality improvement of electron beam welding Proc. Int. Conf. ASMDA (7-10 June 2011 Italy) pp 134-141

27. Georgiev Y 2011 Technology for fabrication of sub 50 nm metal T- and Г-gates Nanosci. & Nanotechnol. 11 91-3

28. Vutova K, Vassileva V, Mladenov G M and Koleva E 2011 New material fabrication by electron-beam melting of wastes of titanium, hafnium and tantalum Annual Report 2010 Institute of Electronics BAS pp 84-92

29. Petrova D, Koleva E, Tzotchev V and Vuchkov I 2011 Model-based robust quality improvement of automatic cleaning process of IBC containers Proc. Anniversary Sci. Conf. 40 years department Industrial Automation - UCTM - Sofia (18 May 2011 Sofia Bulgaria) pp 111-4

30. Christova N, Koleva E and Velev K 2011 Neural network based approach for process optimization of electron beam welding Proc. Anniversary Sci. Conf. 40 years Department Industrial Automation - UCTM - Sofia (18 May 2011 Sofia Bulgaria) pp 149-152

31. Genchev D, Koleva E, Elenkov G and Velev K 2011 System for automatic control of electron beam machine, Proc. Anniversary Sci. Conf. 40 years department Industrial Automation - UCTM - Sofia (18 May 2011 Sofia Bulgaria) pp 33-36 (in Bulgarian)

32. Michailov V, Karhin V and Petrov P 2011 Fundamentals of welding J. Stroitelstvo 2 2-26 3 3-25 4 2-26 5 2-26 6 3-25

ПАТЕНТИ / 2011:

1. Beshkova M, Zahariev Z, Spasov G and Yakimova R 2011 Method for AlN films fabrication Bulgarian Patent No 6607 bulletin 2/28.02.2011

КОНФЕРЕНЦИИ / 2011:

Int. Conf. Technol.&Equipment EBW-2011 (22-26 May, 2011, Sankt-Petersburg, Russia) Mladenov G

Int. Conf. Energy Smart Systems-ESS-2011 (6-11 June, 2011, Mukachevo Svaliava, Ukraine) Mladenov G

140 TMS 2011 (26.02-04.03.2011, San Diego, USA) Vutova K

17th Int. Summer School on Vacuum, Electron and Ion Technologies (19-23 Sept., 2011, Sunny Beach, Bulgaria) Petrov P and Beshkova M

Int. Conf. ASMDA (6-12 June, 2011, Rome, Italy) Koleva E

1st Central and Eastern European Conf. Thermal Analysis and Calorimetry, Summer School on Thermal Analysis and Calorimetry (05-11 Sept., 2011, Craiova, Romania) Donchev V

Int. Symp. Advanced Solutions in Applied Energy Technologies (19-21 Sept., 2011, Sofia, Bulgaria) Mladenov G, Vutova K, Koleva E, Vassileva V, Donchev V, Tabakov D and Dimitrov D

Int. Workshop 3C-SiC Hetero-epitaxy Hetero-SiC and Workshop on Advanced Semiconductor Materials and Devices for Power Electronics Applications, Hetero SiC-WASMPE (27-30 June 2011, Tours, France) Beshkova M

Anniversary Sci. Conf. 40 Years Department Industrial Automation - UCTM - Sofia (18 May 2011 Sofia Bulgaria) Koleva E and Petrova D

2010 г.

1. Mladenov G M Nanotechnologies and Nanoelectronics, Sofia, Prof. Marin Drinov Academic Publishing House, 116 pages (In Bulgarian)

2. Mladenov G M, Spivak V M, Koleva E G and Bogdan A V Nanoelectronics Series, Book 1, In-troduction to Nanoelectronic Tech-nologies, Kiev-Sofia, Avers Publishers, 332 pages (In Russian)

3. Vutova K and Mladenov G Chapter 17 Computer simulation of processes at electron and ion beam lithography, Part 1: Exposure mod-eling at electron and ion beam li-thography, in Lithography, Michael Wang Editor, INTЕH Publishing House, Vukovar, Croatia, Printed in India, pp 319-350

4. Vutova K, Koleva E and Mladenov G. Chapter 18 Computer simulation of processes at electron and ion beam lithography, Part 2: Simulation of resist developed images at electron and ion beam lithography, in Lithography, Michael Wang Editor, INTЕH Publishing House, Vukovar, Croatia, Printed in India, pp 351-378

5. Mladenov G and Koleva E Chapter 1 Design of high brightness welding electron guns and charac-terization of intense electron beams quality, in Welding: Processes, Quality and Applications Richard J. Klein Editor, Nova Sci. Publishers, Series Mechanical Engineering - Theory and Applications

6. Koleva E. and Mladenov G Chapter 2 Process parameter optimi-zation and quality improvement at electron beam welding, in Welding: Processes, Quality and Applications, Richard J. Klein Editor, Nova Sci. Publishers, Series Mechanical Engi-neering - Theory and Applications

7. Vutova K, Vassileva V, Koleva E, Georgieva E, Mladenov G, Mollov D and Kardjiev M Investigation of electron beam melting and refining of titanium and tantalum scrap J. Mater. Processing Technol. 210 pp 1089-1094

8. Vutova K, Mladenov G, Kostic I and Tanaka T Computer simulation of resist profiles at electron beam nanolithography Microelectronics Engineering, 87 pp 1108-1111

9. Mladenov G, Bogdan O, Koleva E and Spivak V Integral biosensor systems based on nano-crystalline silicon, in Works of the Institute of Electrodynamics of National Academy of Sciences of Ukraine, Scientific Works Collection, Special Issue, Kiev IED NASU pp. 87-92 (In Ukrainian)

10. Beshkova M, Lorenzzi J, Jegenyes N, Birch J, Syvajarvi M, Ferro G and Yakimova R Properties of 3C-SiC grown by sublimation epitaxy on different type of substrates Materials Sci. Forum 645-648 pp 183-186

11. Zoulis G, Sun J, Beshkova M, Vasiliauskas R, Juillaguet S, Peyre H, Syvajarvi M, Yakimova R and J. Camassel Investigation of low-doped n-type and p-type 3C-SiC layers grown on 6H-SiC substrates by sublimation epitaxy Materials Sci. Forum 645-648 pp 179-182

12. Marinova M, Mantzari A, Beshkova M, Syvajarvi M, Yakimova R and Polychroniadis E K The influence of the temperature gradient on the defect structure of 3C-SiC grown heteroepitaxially on 6H-SiC by sublimation epitaxy Materials Sci. Forum 645-648 pp 367-370

13. Mladenov G, Koleva E, Shmyreva A, Spivak V and Bogdan A Generalizations of the research re-sults, in Introduction to Nanoelectronic Technologies and Nanoelectronic Materials and Devices, Electronics and Communications, 4th Thematic Issue Electronics and Nanotechnolo-gies pp 6-10

14. Mladenov G, Koleva E, Yakimenko Y, Spivak V, Bogdan A and Orlov A Nanotechnology and nanoscaled materials for microsystems application in Modern Problems of Radioengineering, Telecommunications and Computer Science, Proc. TCSET'2010 Int. Conf. Lvоv Politechnyka, Publishers pp 354-355

15. Mladenov G, Koleva E, Yakimenko Y, Spivak V and Bogdan A Some promising aspects of nanotechnology development in Modern Problems of Radioengineering, Telecommunications and Computer Science, Proc. TCSET'2010 Int. Conf. Lvоv Politechnyka, Publishers pp 368-369

16. Koleva E, Mladenov G, Batchkova I, Velev K, Vassileva V and Vutova K Quality control of refining process at electron beam melting and development and implementation of engineering support system for process modeling and control 2010 Supplemental Proceedings 3 General Paper Selections TMS The Minerals, Metals & Materials Society, 14-18 Feb. 2010, Seattle, USA, pp 777-784

17. Koleva E, Vutova K, Mladenov G and Todorov D Method of emittance evaluation Proc. 16th Int. SHCE and 10th Int. CMM, 19-24 Sept. 2010 Tomsk Russia pp 31-34

18. Vutova K, Koleva E, Vassileva V and Mladenov G Surface modification of reactive metals by electron beam surface melting Proc. 16th Int. SHCE and 10th Int. CMM, 19-24 Sept. 2010 Tomsk Russia pp 302-304

19. Mladenov G, Koleva E, Spivak V and Bogdan O Functional microelectronic components based on the quantum spin state of electrons and their transfer Proc. Int. Sci.-Techn. Conf. Automation: Problems, Ideas, Solutions National Technical University of Sevastopol 6-10 Sept. 2010 Sevastopol Russia pp 85-90

20. Petrov P Optimization of carbon steel electron-beam hardening J. Phys.: Conf. Series 223/012029

21. Petrov P and Sabchevski S P Parameters used for electron beam welding - a comparative study Proc. 8th Int. Conf. Beam Technol. 14-15 April 2010 Halle, Germany pp 92-94

22. Petrov P, Georgiev Th andValkanov S Investigation of the efficiency process during electron beam welding of aluminium alloys Proc. 2nd South East European IIW Int. Congress, Sofia, October 2010 pp 277-280

23. Koleva E, Christova N and Velev K Neural network based approach for quality improvement of orbital arc welding joints Proc. Int. IEEE Conf. Intelligent Systems London UK pp 7-9

24. Beshkova M, Zahariev Z, Spasov G and Yakimova R Method for AlN films fabrication Bulgarian Patent Application 109133

2009 г.

1. Mladenov G Electron and Ion Technology (Prof. M. Drinov Publishing House Sofia Bulgaria)

2. Mladenov G Nanotechnology and nanoelectronics (Prof. M. Drinov Publishing House Sofia Bulgaria)

3. Vutova K, Koleva E, Mladenov G and Kostic I Some pequliarities of rsist-profile simulation for positive-tone chemically amplified resists in electron beam lithography J. Vac. Sci. Technol. B 27/1 1017-23

4. Vutova K, Koleva E, Mladenov G, Kostic I, Tanaka T and Kawabata K A simulation model for chemically amplified resist CAMP6 Microelectr. Engin. 86 714-7

5. Mladenov G M, Vutova K J, Koleva E G Computer simulation of electron and ion beam lithography of nanostructures Phys. and Chem. Solid State 10/3

6. Tanaka T, Vutova K, Koleva E, Mladenov G and Takagi T Surface modification of plastic films by charged particles Polymer Surface Modification: Relevance to Adhesion, ed Mittal K L (VSP/Brill Leiden) 5 96-106

7. Beshkova M, Syvajarvi M, Vasiliauskas R, Birch J and Yakimova R Structural properties of 3C-SiC grown by sublimation epitaxy Mater. Sci. Forum 615-7 181-4

8. Vasiliauskas R, Syvajarvi M, Beshkova M and Yakimova R Two-dimensional nucleation of cubic and 6H silicon carbide Mater. Sci. Forum 615-7 189-92

9. Koleva E, Vuchkov I and Velev K Multiresponse robust engineering: case with errors in factor levels PLISKA Studia Mathematica Bulgarica 19 193-206

10. Mladenov G, Koleva E, Vutova K, Kostic I and Spivak V Resists for electron beam nanolithography Electronics and Electrical Engin. 5-6 13-20

11. Koleva E, Mladenov G, Garkova K and Kardjiev M Quality characterization of electron beams Electronics and Electrical Engin. 5-6 64-69

12. Mladenov G M, Petkov M N, Mollov D, Velinova S and Koleva E G Deposition of TiO2 thin films by plasma-cathode electron beam evaporation in oxygen atmosphere Electronics and Electrical Engin. 5-6 260-3

13. Christova N and Koleva E Neural network-based modeling and optimization of EBW of stainless steel Electronics and Electrical Engin. 5-6 104-11

14. Vutova K, Vassileva V, Koleva E, Georgieva E, Mladenov G, Mollov D and Kardjiev M Investigation of electron beam melting and refining of Ti and Ta scrap Electronics and Electrical Engin. 5-6 252-9

15. Mladenov G M, Petkov M N, Mollov D, Velinova S and Koleva E G Deposition of TiO2 thin films by plasma-cathode electron beam evaporation in oxygen atmosphere Electronics and Electrical Engin. 5-6 260-3

16. Koleva E, Mladenov G, Vuchkov I, Velev K, Lamond B and Petrova D Program tool EBMR-MREDO for robust engineering quality optimization of EBMR of titanium Electronics and Electrical Engin. 5-6 264-9

17. Младенов Г Нанотехнологии Техносфера 2/6 31-41

18. Младенов Г Нанотехнологии Техносфера 3/7 9-22

19. Vutova K, Vassileva V, Koleva E, Mladenov G and Georgieva E Titanium regeneration from waste product Proc. Int. Conf. Ti-2009 (May 2009 Оdessа Ukraine) pp 74-9

20. Петров П, Георгиев Ч, Зъбов П и Младенов Л Получение наноструктурированных износо-устойчивых покритий на основе нитрида углерода Трудове IX Межд. Конф. Химия твердого тела: монокристаллы, нано-материалы, нанотехнологии (Кисловодск Россия) стр 153-4

21. Христова Н и Колева Е Създаване на невронни модели и оптимизиране на термичната ефективност при електронно-лъчево заваряване Трудове IX международна конференция Авангардни Материали и Обработки АМО'09 (Юни 2009 Кранево България) 1 221-6

2008 г.

1. Vutova K, Mladenov G, Computer simulation of micro- and nano- structures at electron and ion lithography, J Optoelectr Adv Mater 2008;10/1:91-7.

2. Vutova K, Koleva E, Mladenov G, Kostic I, Tanaka T, Kawabata K, A simulation model for chemically amplified resist CAMP6, Microelectr Eng 2008;doi:10.1016/j.mee.2008.11.010.

3. Beshkova M, Blagoev B, Kovacheva D, Mladenov G, Nurgaliev T, Deposition and characterization of high temperature superconductor YBa2Cu3O7-δ films obtained by DC magnetron sputtering and modification by thermal annealing, J Phys: Conf Series 2008:113:012021.

4. Petrov P, Advanced welding processes for reconstitution Charpy test specimens, Welding in the World 2008;52:365-70.

5. Sabchevski S, Idehara T, Resonant cavities for frequency tunable gyrotrons, Int J Infrared and Millimeter Waves 2008;29:1-22.

6. Sabchevski S, Illy S, Piosczyk B, Borie E, Zhelyazkov I, Towards the formulation of a realistic 3D model for simulation of magnetron injection guns for gyrotrons (a preliminary study), Wissenschaftliche Berichte 2008;FZKA7409:1-34.

7. Idehara T, Saito T, Ogawa I, Mitsudo S, Tatematsu Y, Sabchevski S, The potential of the gyrotrons for development of the sub-terahertz and the terahertz frequency range - A review of novel and prospective applications, Thin Solid Films 2008;doi:10.1016/j.tsf.2008.09.061.

8. Koleva E, Mladenov G, Evaluation of the electron beam quality, Proc 1st Int Conf Technol and Equipment Electron Beam Welding, pp 99-109, May 2008, St. Petersburg, Russia.

9. Koleva E, Mladenov G, Statistical-mathematical approach at electron beam welding of steels, Proc 1st Int Conf Technol and Equipment Electron Beam Welding, pp 40-9, May 2008, St. Petersburg, Russia.

10. Petrov P, Laser beam induced surface alloying of aluminum with niobium, J Phys: Conf Series 2008;113:012048.

11. Sabchevski S, Idehara T, Saito T, Ogawa I, Mitsudo S, Tatematsu Y, La Agusu, Numerical investigations of the gyrotron FU and gyrotron FU CW series, Proc Mini Symp Infrared Sci Technol - Satellite Meeting of ISMASM2008, pp 31-6, May 2008, Osaka Sangyo Univ, Japan.

2007 г.

1. Vutova K, Mladenov G, Raptis I, Olziersky A, Process simulation at electron beam lithography on different substrates, J Mater Processing Technol 2007;184/1-3:305-11.

2. Vutova K, Mladenov G, Tanaka T, Kawabata K, Rangelow I, Electron and ion beam lithography simulation for sub-quarter-micron patterns, Nano Trends: A Journal of Nanotechnology and its Applications 2007;2/1:32-47.

3. Beshkova M, Grigorov K G, Zakhariev Z, Abrashev M, Massi M, Yakimova R, Sublimation Epitaxy of AlN layers grown by different conditions on 4H-SiC substrates, J Optoelectr Adv Mater 2007;9/1:213-6.

4. Sabchevski S, Zhelyazkov I, Thumm M, Illy S, Piosczyk B, Tran T-M, Hogge J-Ph, Pagonakis J Gr, Recent evolution of the simulation tools for computer aided design of electron-optical systems for powerful gyrotrons, Computer Modelling in Engineering and Science 2007;20/3:203-20.

5. Sabchevski S, Saito T, Idehara T, Nakano T, Tatematsu Y Simulation of mode interaction in the gyrotron FU CW I Int J Infrared and Millimeter Waves, 2007;28:1079-93.

6. Sabchevski S, Idehara T, Resonant cavities for frequency tunable gyrotrons, Int J Infrared and Millimeter Waves 2007;20:1-22.

7. Mladenov G, Koleva E, Evaluation and some applications of the electron beam emittance, Proc 7th Int Conf on Beam Technol 2007 (Halle, Germany) pp 85-92.

8. Koleva E, Vassileva V, Mladenov G, Simulation of thermal and mass transfer of reactive metals, Proc Int Conf Liquid Metal Processing and Casting - LMPC'2007, (Nancy, France) pp 219-25.

9. Sabchevski S, Zhelyazkov I, Modelling and simulation of new generation of powerful gyrotrons for fusion research, J Phys: Conf Series 2007;63:012003.

10. Koleva E, Mladenov G, Modeling of electron beam welding of steel 45, Proc 15th Int Symp Electrical Apparatus and Technol SIELA'2007 (Plovdiv, Bulgaria), Publisher СЕЕС - Bulgaria, pp 67-76.

11. Jankova Y, Petrov P, Modeling of electron beam welding process for reconstitution of Charpy specimens, Proc MTF 2007 Conf (Sozopol, Bulgaria) pp 221-7.

12. Petrov P, Jankova Y, Reconstitution of Cv test specimens by electron beam welding: process parameters selection, Proc 12th National Conf Thermal and Nuclear Energetics 2007;1:175-82.

2006 г.

1. Vutova K, Mladenov G, Tanaka T, Takagi T, Investigation of ion penetration in silicon during plasma-based ion implantation, Russian Phys J 2006;49/8:216-218.

2. Koleva E, Mladenov GM, Intense CW beam profile and emittance, Russian Phys J 2006;49/11:49-53.

3. Vassileva V, Vutova K, Mladenov G, Analysis of the thermodynamic conditions of refining during electron beam melting of refractory metals, Materials Sci and Engineering Technol 2006;37/7:613-618.

4. Koleva E, Mladenov G, Intensive electron beam diagnostics, Int J IEEE - CPMT Annual School, Lectures 2006;25/1:3-6.

5. Mladenov G, Vutova K, Mateev E, Petkov M, Koleva E, Djanovski G, Videkov V, Spangenberg B, Merget F, Georgiev Y, Development of superconducting bridge structures using photolithography and electron beam lithography, Int J IEEE - CPMT Annual School, Lectures 2006;25/1:7-10.

6. Koleva E, Statistical models at electron beam welding, Int J IEEE - CPMT Annual School, Lectures 2006;25/1:11-16.

7. Vutova K, Mladenov G, Tanaka T, Kawabata K, Raptis I, Olzierski A, Modeling of resist exposure and development for optimization of sub-quarter-micron patterns, Int J IEEE - CPMT Annual School, Lectures 2006;25/2:13-16.

8. Djanovski G, Vutova K, Koleva E, Petkov M, Mollov D, Velinova S, Mladenov G, Electron beam deposition and characterization of high temperature superconducting thin film, Int J IEEE - CPMT Annual School, Lectures 2006;25/2:17-20.

9. Mladenov G, Yanev A, Vutova K, Koleva E, Djanovski G, Videkov V, Petkov M, Ranev V, Microwave band-pass 5GHz filter utilizing high-temperature superconducting film, Int J IEEE - CPMT Annual School, Lectures 2006;25/2:21-25.

10. Vassileva V, Vutova K, Mladenov G, Analysis of the thermodynamic conditions and the kinetic factors governing the refining process during electron beam melting of reactive metals, Int J IEEE - Annual School, Lectures 2006;25/2:25-34.

11. Djanovski G, Beshkova M, Velinova S, Mollov D, Vlaev P, Kovacheva D, Vutova K, Mladenov G, Deposition of CeO2 films on Si(100) substrate by electron beam evaporation, Plasma Processes and Polymers 2006;3/2:197-200.

12. Sabchevski S, Zhelyazkov I, Benova E, Atanassov V, Dankov P, Thumm M, Arnold A, Jin J, Rzesnicki T, Quasi-optical converters for high-power gyrotrons: a brief review of physical models, numerical methods and computer codes, J Phys: Conf Series 2006;44:102-109.

13. Sabchevski S, Zhelyazkov I, Benova E, Atanassov V, Dankov P, Thumm M, Dammertz G, Piosczyk B, Illy S, Tran MQ, Alberti S, Hogge J-P, Development of new generation software tools for simulation of electron beam formation in novel high power gyrotrons, J Phys: Conf Series 2006;44:96-101.

14. Todorova Z, Donkov N, Ristic Z, Bundaleski N, Petrovic S, Petkov M, Electrical and optical characteristics of Ti2O5 thin films deposited by electron-beam vapor deposition, Plasma Processes and Polymers 2006;3/2:174-178.

15. Nikolova P, Petkov M, Tinchev S, Dulgerska J, Conversion of magnetron deposited TiC films into carbon containing rutile TiO2, Plasma Processes and Polymers 2006;3/2:188-191.

16. Küpper Daniel, Kupper David, Wahlbrink T, Henschel W, Bolten J, Lemme MC, Georgiev YM, Kurz H, Impact of supercritical CO2 drying on roughness of hydrogensilsesquioxane e-beam resist, J Vac Sci Technol B 2006;24:570-574.

17. Wahlbrink T, Kupper Daniel, Georgiev YM, Bolten J, Moller M, Kupper David, Lemme MC, Kurz H, Supercritical drying process for high aspect-ratio HSQ nano-structures, Microelectronic Engineering 2006;83:1124-1127.

18. Mladenov G, Phase space analysis of the intense electron beams, Elektrotechnica & Elektronica 2006;5/6:33-40.

19. Koleva E, Menhard C, Loewer T, Mladenov G, Emittance calculation based on the current distribution measurements at changes of the beam focusing, Elektrotechnica & Elektronica 2006;5/6:51-60.

20. Vutova K, Mladenov G, Tanaka T, Takagi T, Investigation of ion penetration in silicon during plasma-based ion implantation, Elektrotechnica & Elektronica 2006;5/6:186-188.

21. Koleva E, Vutova K, Mladenov G, Modeling of exposure and development of resist profiles, Elektrotechnica & Elektronica 2006;5/6:194-198.

22. Koleva E, Vassileva V, Vutova K, Mladenov G, Electron beam melting and refining of refractory and reactive metals, Elektrotechnica & Elektronica 2006;5/6:136-140.

23. Mladenov G, Vassileva V, Vutova K, Nikolov T, Georgieva E, Electron beam melting and refining of reactive and refractory metals, Elektrotechnica & Elektronica 2006;7/8:13-21 (in Bulgarian).

24. Mladenov G, Koleva E, Petrov P, Georgiev C, Vlaev P, Electron beam welding of dissimilar materials, Elektrotechnica & Elektronica 2006;5/6:87-92.

25. Petrov P, Surface modification of aluminium alloys using high intensity beams, Elektrotechnica & Elektronica 2006;5/6:234-237.

26. Yankova I, Petrov P, Embrittlement problems of metal structures of nuclear power plants, Proc ICAPP, Reno, NV, USA, June 2006, pp 6283-6288.

27. Petrov P, Petrov G, Georgiev T Control of weld pool formation during electron beam welding dissimilar materials, Proc 7th ITSC on Advanced Manufacturing Operation, Sozopol, 2006, pp 201-206.

28. Beshkova M, Djanovski G, Petkov P, Vlaev P, Kovacheva D, Mladenov G, Deposition of MgO films on Si(100) substrate by electron beam evaporation, Proc Int Conf Nanahard 2006, Sozopol, Bulgaria, May 2006, pp 67-70.

2005 г.

1. Koleva E, Mladenov G, Electron beam lithography developed resist profile improved by quality analysis, Vacuum 2005;77/4:361-370

2. Koleva E, Electron beam weld parameters and thermal efficiency improvement, Vacuum 2005;77/4: 413-422.

3. Koleva E, Vuchkov I, Model-based approach for quality improvement of electron beam welding applications in mass production, Vacuum 2005;77/4:423-428.

4. Koleva E, Mladenov G, Signal formation analysis of the electron beam current distribution measurements, Vacuum 2005;77/4:457-462.

5. Vassileva V, Mladenov G, Vutova K, Nikolov T, Georgieva E, Oxygen removal during electron beam drip melting and refining, Vacuum 2005;77/4:429-436.

6. Krinberg I, Mladenov G, Formation and expansion of the plasma column under electron beam-metal interaction, Vacuum 2005;77/4:407-412.

7. Vutova K, Mladenov G, Tanaka T, .Kawabata K, Simulation of the energy absorption and the resist development at sub-150 nm ion lithography, Microelectronic Engineering 2005;78-79:533-539.

8. Idehara T, Ogawa I, Mitsudo S, Iwata Y, Watanabe S, Itakura Y, Ohashi K, Kobayashi H, Yokoyama T, Zapevalov V, Glyavin M, Kuftin A, Malygin O, Sabchevski S, Development of a high harmonic gyrotron with an axis-encircling electron beam and a permanent magnet, Vacuum 2005;77/4:539-546.

9. Sabchevski S, Idehara T, Glyavin M, Ogawa I, Mitsudo S, Modelling and simulation of gyrotrons, Vacuum 2005;77/4:519-525.

10. Sabchevski S, Idehara T, Cyclotron Autoresonance with TE and TM guided waves, Int J Infrared and Millimeter Waves 2005;26/5:669-689.

11. Sabchevski S, Idehara T, Mitsudo S, Fujiwara T, Conceptual Design Study of a Novel Gyrotron for NMR/DNP Spectroscopy, Int J Infrared and Millimeter Waves 2005;26/24:1241-1264

12. Georgiev YM, Henschel W, Fuchs A, Kurz H, Surface roughness of hyddrogen silsesquioxane as a negative tone electron beam resist, Vacuum 2005;77/4:117-124.

13. Wahlbrink T, Mollenhauer T, Georgiev YM, Henschel W, Efavi JK, Gottlob HDB, Lemme MC, Kurz H, Niehusmann J, Haring Bolivar P, Highly selective etch process for silicon-on insulator nano-devices, Microelectronic Engineering 2005;78-79:212-217.

14. Vassileva V, Vutova K, Georgieva E, Mladenov G, Investigation of refining processes during EB regeneration of reactive metals of group IV B, Proc DAE-BRNS Symp Electron Beam Technol and Appl SEBTA 2005, Sept 2005, Mumbai, India, pp 295-306.

15. Mladenov G, Fundamentals of powerful electron optical system design, Proc DAE-BRNS Symp Electron Beam Technol and Appl SEBTA 2005, Sept 2005, Mumbai, India, pp 38-54.

16. Koleva E, Vutova K, Mladenov G, Characterization of powerful electron beams, Proc DAE-BRNS Symp Electron Beam Technol and Appl SEBTA 2005, Sept 2005, Mumbai, India, pp 307-322.

17. Младенов Г, Вутова К, Симулация на процесите при електронна и йонна литография, Списание на Българската Академия на Науките 2005;5:4-17.

18. Бешкова М, Захариев З, Абрашев М, Birch J, Якимова Р, Екитаксиални слоеве от алуминиев нитрид като нов материал за микроелектрониката, Електротехника и Електроника 2005;5-6:22-25.

2004 г.

1. Olziersky A, Vutova K, Mladenov G, Raptis I, Donchev T, Electron beam lithography simulation on superconducting substrates, Supercond Sci Technol 2004;17:881-890.

2. Vutova K, Mladenov G, Electron and ion lithography - physical processes, computer simulation and experimental data, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 212-242.

3. Koleva E, Vutova K, Mladenov, G, Determination of the exposure dose for producing fully developed resist in electron lithography, Proc. National Conference on Electronics 2004, Sofia, Bulgaria, UEEE Bulgarian Section Publ, ISBN 954-90209-3-2, 2004, pp 87-92.

4. Mladenov G, Vutova K, Electron and ion lithography of nano-sized structures, Monthly Information Bulleting on Science and Technology of BAS, ISSN 1312-2436, 2004;4/8:2-3 (In Bulgarian).

5. Koleva E, Vutova K, Petrov P, Mladenov G, R&D on electron-beam welding at the Institute of Electronics of Bulgarian Academy of Sciences Welder 2004;5:25-29 (In Russian).

6. Mladenov G, History and some design aspects of EBW machines in IE BAS, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 86-92.

7. Mladenov G, Petrov P, Koleva E, Vutova K, Electron beam welding process, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 287-298.

8. Koleva E, Petrov P, Mladenov G, Approval of EB welding procedures (in agreement with the experience of Laboratory Physical problems of EBT at IE BAS and the best international practices), Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 367-376.

9. Koleva E, Mladenov G, Prediction of the EB weld geometry on the basis of a thermal model and/or of statistical data analysis, Innovation forum Hybridtechnologien-Fugetechnik fur die Fertigung der Zukunft, Halle, 23-24 November 2004, IGZ Kompetent Zentrum Fugetechnik an der SLV-Halle Publ, Germany, pp 88-100.

10. Mladenov G, Laboratory Physical Problems of Electron Beam Technologies of the Institute of Electronics at the Bulgarian Academy of Sciences, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 12-20.

11. Vassileva V, Vutova K, Koleva E, Nikolov T, Georgieva E, Mladenov G, IE BAS experience in the electron beam melting and refining, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 51-59.

12. Koleva E, The role of electron beam melting parameters on the geometry of the melted pool of Cu ingot, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 70-75.

13. Djanovski G, Vutova K, Velinova S, Mollov D, Mladenov G, Preparation and characterization of high temperature superconductingY1Ba2Cu3O7-x thin films, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 144-148.

14. Vutova K, Mladenov G, Application of XPS analysis for characterization of smooth samples, textured samples and overlayers on samples, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 158-168.

15. Mladenov G, Radiation modification of polymeric materials, Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 179-184.

16. Koleva E, Standards for the production practice of EBW (and related processes), Proc Indo-Bulgarian Workshop on Electron Beam Technology and Applications, Mumbai, India, 2004, Das AK, Kandaswamy E, Mascarenhas M (Eds), Ebenezer Printing House, 2004, ISBN No 81-88513-07-5, pp 333-340.

17. Vutova K, Koleva E, Tanaka T, Takagi T, Mladenov G, Ion modification of plastic materials, Proc Nat Conf Electronics 2004, Sofia, Bulgaria, UEEE Bulgarian Section Publ, ISBN 954-90209-3-2, 2004, pp 93-101.

18. Henschel W, Wahlbrink T, Georgiev Y, Lemme M, Mollenhauer T, Vratzov B, Fuchs A, Kurz H, Kittler M, Schwierz F, Electrical characterization of 12 nm EJ-MOSFETs on SOI, Solid State Electronics 2004;48:739-745.

19. Idehara T, Ogawa I, Mitsudo S, Iwata Y, Watanabe S, Itakura Y, Ohashi K, Kobayashi H, Yokoyama T, Zapevalov V, Glyavin M, Kuftin A, Malygin O, Sabchevski S, A high harmonic gyrotron with an axis-encircling electron beam and a permanent magnet, IEEE Trans Plasma Sci 2004;32/3:903-909.

20. Tatsukawa T, Doi A, Teranaka M, Idehara T, Kanemaki T, Ogawa I, Sabchevski S, Submillimeter wave irradiation on living bodies using catheter waveguide vent antennae with dielectric rod and sheet, Nanoscale Magnetic Oxides and Bio-World, Nedkov I, Tailhades P (Eds), Heron Press Ltd., Sofia, Bulgaria, 2004:123-138.

21. Idehara T, Ogawa I, Mitsudo S, Watanabe S, Sato N, Ohashi K, Kobayashi H, Yokoyama T, Zapevalov V, Glyavin M, Kuftin A, Malygin O, Sabchevski S, A high harmonic gyrotron and gyro-peniotron with an axis-encircling electron beam and permanent magnet, Proc VDE Conf Displays and Vacuum Electronics, Garmish-Partenkirchen, Germany, May 2004, pp. 51-54.

22. Idehara T, Ogawa I, Iwata Y, Kanemaki T, Ohashi K, Kobayashi H, Yokoyama T, Glyavin M, Sabchevski S, Development of a large orbit gyrotron (LOG), Proc Int Symp Microwave Sci and its Appl to Related Fields, Takamatsu, Japan, July 2004, pp. 489-492.

23. Tsaneva V, Vickers M, Blamire M, Barbers Z, Evetts J, Popov T, Donchev T, Martev I, Tihov M, Ariosa D, Diagnostics of sputtering plasma variations affecting Y-Ba-Cu-O thin film growth and properties, Superconductor science and technology 2004;17:S465-S472.

2003 г.

1. Mladenov G, Vutova K, Djanovsky E, Koleva E, Vassileva V, Mollov D, Electron beam deposition of high temperature superconducting thin films, Emerging Applications of Vacuum-Arc-Produced Plasma, Ion and Electron Beams, Baikal, Siberia, June 2002, NATO Science Series, Series II: Mathematics, Physics and Chemistry, Oks E, Brown I (Eds), Kluwer Academic Publishers, Dordrecht/Boston/London, ISBN 1-4020-1066-4, 2003;88:163-171.

2. Vutova K, Mladenov G, Raptis I, Olzierski A, Simulation of exposure and development at EB lithography on high temperature superconducting samples, Proc 7th Int Conf EBT pp 492-504, June 2003, Varna, Bulgaria.

3. Vutova K, Mladenov G, Tanaka T, Kawabata K, Rangelow I, Electron and ion beam lithography simulation for subquartermicron patterns, Proc 7th Int Conf EBT pp 469-480, June 2003, Varna, Bulgaria.

4. Koleva E, Mladenov G, Quality analysis for the improvement of electron beam lithography, Proc 7th Int Conf EBT pp 514-527, June 2003, Varna, Bulgaria.

5. Koleva E, Mladenov G, Signal formation analysis at electron beam characterization, Proc 7th Int Conf EBT pp 607-615, June 2003, Varna, Bulgaria.

6. Koleva E, Vuchkov I, Model based approach for quality improvement of electron beam welding, Proc 7th Int Conf EBT pp 221-229, June 2003, Varna, Bulgaria.

7. Koleva E, Mladenov G, Electron beam weld parameters and thermal efficiency optimization, Proc 7th Int Conf EBT pp 210-220, June 2003, Varna, Bulgaria.

8. Vassileva V, Mladenov G, Vutova K, Nikolov T, Georgieva E, Oxygen removal during electron beam drip melting and refining, Proc 7th Int Conf EBT pp 270-279, June 2003, Varna, Bulgaria.

9. Sabchevski S, Idehara T, Glyavin M, Ogawa I, Mitsudo S, Modeling and simulation of gyrotrons, Proc 7th Int Conf EBT pp 93-100, June 2003, Varna, Bulgaria.

10. Idehara T, Sabchevski S, Mitsudo S, Hoshizuki H, Microwave heating of boron carbide rods, Proc 7th Int Conf EBT pp 113-119, June 2003, Varna, Bulgaria.

11. Djanovsky G, Mollov D, Velinova S, Petkov, M Valkanov S, Mladenov G, High temperature superconductivity films, produced by EB deposition, Proc 7th Int Conf EBT pp 325-330, June 2003, Varna, Bulgaria.

12. Mollov D, Processes on the electrodes at emission spectral analysis of gases in metals, Proc 7th Int Conf EBT pp 538-544, June 2003, Varna, Bulgaria.

13. Mladenov G, History and some design aspects of EBW machines in IE BAS, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 82-92, November 2003, Mumbai, India.

14. Mladenov G, Laboratory Physical problems of electron beam technologies at the Institute of Electronics, Bulgarian Academy of Sciences, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 12-20, November 2003, Mumbai, India.

15. Mladenov G, Radiation modification of polymeric materials, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 179-184, November 2003, Mumbai, India.

16. Vutova K, Mladenov G, Electron and ion lithography - physical processes, computer simulation and experimental data, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 212-242, November 2003, Mumbai, India.

17. Vutova K, Mladenov G, Application of XPS analysis for characterization of smooth samples, textured samples and overlayers on samples, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 158-168, November 2003, Mumbai, India.

18. Mladenov G, Petrov P, Koleva E, Vutova K, Electron beam welding process, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 287-299, November 2003, Mumbai, India.

19. Koleva E, Petrov P, Mladenov G, Approval of EB welding procedures (in agreement with the experience of Laboratory Physical problems of EBT at IE BAS and the best international practices) Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 368-377, November 2003, Mumbai, India.

20. Koleva E, Standards for the production practice of EBW (and related processes), Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 334-347, November 2003, Mumbai, India.

21. Vassileva V, Vutova K, Koleva E, Nikolov T, Georgieva E, Mladenov G, IE BAS experience in the electron beam melting and refining, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 51-59, November 2003, Mumbai, India.

22. Koleva E, The role of electron beam melting parameters on the geometry of the melted pool of Cu ingot, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 70-75, November 2003, Mumbai, India.

23. Djanovski G, Vutova K, Velinova S, Mollov D, Mladenov G, Preparation and characterization of high temperature superconductingY1Ba2Cu3O7-x thin films, Proc 1st Indo-Bulgarian Workshop on Electron Beam Technology and Application, Das AK, Kandaswamy E, Mascarenwas M (Eds), pp 144-148, November 2003, Mumbai, India.

24. Zapevalov V, Idehara T, Sabchevski S, Ohashi K, Manuilov V, Glyavin M, Kornishin S, Kuftin A, Lygin V, Malygin O, Moiseev M, Pavel'ev A, Tzalolikhin V, Zavolski N, Kobayashi H, Yokoyama T, Ogawa I, Mitsudo S, Kanemaki T, Iwata Y, Hoshizuki H, Design of a large orbit gyrotron with a permanent magnet system, Int J Infrared and Millimeter Waves, 2003;24/3:253-260.

25. Idehara T, Ogawa I, Iwata Y, Kanemaki T, Ohashi K, Kobayashi H, Yokoyama T, Glyavin M, Sabchevski S, Development of a large orbit gyrotron (LOG), Conference Digest 28th Int Conf Infrared and Millimeter Waves 2003, pp 285-286, W7-2, Ohtsu, Shiga, Japan.

26. Tsaneva VN, Stelmashenko NA, Martev IN, Barber ZH, Blamire MG, Characterization of the optical emission of the plasma plume during pulsed laser deposition of superconducting MgB2 thin films, Vacuum 2003;69/1-3:267-271.

27. Guerassimov N, Martev I, Ghelev Ch (Eds), Book of abstracts VEIT 2003, 109 p., Sofia, Bulgaria, 2003.

2002 г.

1. G. Mladenov and K. Vutova, Computer simulation of exposure and development in electron and ion lithography, Proceeding of St. Petersburg State Electro-technical University, issue Solid State Physics and Electronics 2002, 1, pp. 133-173, Publ. SPbGETU LETI, St.-Petersburg, Russia.

2. K. Vutova, G. Mladenov, T. Tanaka, K. Kawabata, Photoelectron signal simulation from textured samples with modeling surface composition, Surface and Interface Analysis 2002, 34, pp. 597-600.

3. M. Beshkova, G. Beshkov, M. Marinov, D. Bogdanov, G. Mladenov, T. Tanaka and K. Kawabata, Rapid thermal annealing of ConN, Materials and Manufacturing processes 2001, 16/4, pp. 531-540.

4. I. Ogawa, Y. Miyake, T. Idehara, S. Sabchevski, Application of novel focusing irrors in gyrotron transmission lines, International Journal of Infrared and Millimeter Waves 2002, 23/1, pp. 1-19.

5. S. Sabchevski, T. Idehara , I. Ogawa , M. Glyavin, K. Ohashi, Simulation of high harmonic gyrotron with axis encircling electron beam and permanent magnet, International Journal of Infrared and Millimeter Waves 2002, 23/5, pp. 675-692.

6. S. Sabchevski, Modeling and simulation of gyrotrons, Collections of Viewgraphs of the 2nd International Workshop on Far Infrared Technologies, pp.72-120, September 2002, Fukui, Japan.

7. I. N. Martev, XRD and AES characterization of TiOxNy thin films grown by ion assisted deposition, Vacuum 2002, 67/2, pp. 261-265.

8. V. N. Tsaneva, N. A. Stelmashenko, I. N. Martev, Z. H. Barber and M. G. Blamire, Characterisation of the optical emission of the plasma plume during pulsed laser deposition of superconducting MgB2 thin films, Vacuum 2002, 69/1-3, pp. 267-271.

2001 г.

1. K. Vutova, G. Mladenov, T. Tanaka, K. Kawabata, Photoelectron Signal Simulation from Textured Samples Covered by a Thin Film Vacuum, 62, (2001), pp. 297-302.

2. E. Koleva, Statistical Modeling and Optimization Computer Programs for Electron Beam Welding of Stainless Steel, Vacuum, 62, (2001), pp. 151-157.

3. E. Koleva, K. Vutova, S. Wojcicki, G. Mladenov, Radial Distribution of Beam Electron Current as a Source for evaluation Beam Emmittance, Vacuum, 62, (2001), pp. 105-111.

4. G. Mladenov, S. Sabchevski, Potential Distribution and Space -Charge Neutralization in echnological Intense Electron Beams- an overview, Vacuum, 62, (2001), pp. 113-122.

5. E. Koleva, K. Vutova and G. Mladenov, The Role of Thermal Contact Ingot/Crucible at Mathematical Modeling of the Heat Transfer during Electron Beam Melting, Vacuum, 62, (2001), pp. 189-19.

6. V. Vassileva, K. Vutova, G. Mladenov, Investigation of Heat Removal Influence on the Crystallization Processes during Electron Beam Melting and Casting of the Metals, Vacuum, 62, (2001), pp. 197-201.

7. K. Vutova, G. Mladenov, Why Light Ions in Future Ion Lithography, Vacuum, 62, (2001), pp. 273-278.

8. G. Mladenov, K. Vutova, I. Raptis, P. Argitis, I. Rangelow, Simulation of latent image formation for ion beam projection lithography, Microelectronic Engineering, 57-58, (2001), pp. 335-342.

9. K. Vutova, G. Mladenov, Sensitivity, contrast and development process in electron and ion lithography Microelectronic Engineering, 57-58, (2001), pp. 349-353.

10. Y.M. Gueorguiev, R. Koegler, A. Peeva, A. Muecklich, D. Panknin, R.A. Yankov, and W. Skorupa, Trans-projected-range effect in proximity gettering of impurities in silicon, Vacuum, 62, (2001), pp. 309-313.

11. T. Idehara, S. Mitsudo, S. Sabchevski, M. Glyavin, I. Ogawa, Gyrotron FU Series - Current Status of development and Applications, Vacuum, 62, (2001), pp. 123-132.

12. S. Sabchevski, T. Idrhara, M. Glyavin, S. Mitsudo, I. Ogawa, K. Ohashi, Desing of Large Orbit Gyrotron with Permanent Magnet System, Vacuum, 62, (2001), pp. 133-142.

13. E. Koleva, Statistical Analysis of Electron Beam Melting and Refining Computer Simulation, Proc. of Electron beam melting and refining, State of the Art 2000, 29-31 November, 2000, Reno, Nevada, USA, pp. 174 - 187.

14. P.I. Petrov, M. Scibetta, J.L. Puzzolante, and van Walle, E. Reconstitution of Charpy-V specimens, Small Specimen Test Techniques: Fourth Volume, ASTM STP 1418, M.A. Sokolov, J.D. Landes, and G.E. Lucas, Eds., American Society for Testing and Materials, West Conshohocken, PA, USA, (2001), p.138.

15. A. Almeida, P. Petrov, I. Nogueira, R. Vilar Structure and properties of Al-Nb alloys produced by laser surface alloying Materials Science & Engineering, A303, (2001), pp. 273-280.

16. K. Vutova, G. Mladenov, I. Raptis Determination of the radiation efficiency, contrast and sensitivity in electron and ion lithography, Proc. of the Intern. Conf. on Simulation of Semiconductor Processes and Devices, SISPAD 2001, September 5-7, Athens, Greece, pp. 440-443.

17. T. Idehara, I. Fgawa, S. Mitsudo, S. Sabchevski, N. Aripin, K. Kitai Development and application of submillimeter wave gyrotrons (FU Siries), Proc. ITG Congress on Dysplays and Vacuum Electronics, 2 - 3 May 2001, Garmish - Partenkirhen, Germany.

18. I.N. Martev, V.N. Tsaneva, T.I. Donchev, F. Kahlmann, M. Hogg, G. Gibson, J.H. Durrell, M.G. Blamire, Z.H. Barber, J.E. Evetts, Auger electron spectroscopy characterisation of YBCO thin films sputter deposited on vicinal and non-vicinal STO substrates, C. R. Acad. Bulg Sci., 54, 2, (2001), pp. 29-34.