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Memoires

Created 8.2.2019
Updated 26.2.2021

Professor D.Sc.
Elend Mironova Vateva
Birth date 1930 in Smjadovo

Education

Master Degree from the Faculty of Physics, Sofia University "St. Kl. Ohridsky" (19511956)

Assoc. Prof. habilitation paper "Double Injection in II-IV Compounds" (1974)

Dr. Sci. in Physics Thesis: "Photoinduced Phenomena in Chalcogenides" (1990)

Research experience

Associate Professor Institute of Solid State Physics at the Bulgarian Academy of Sciences (1974)

Head of Laboratory in the Department of Prof. S. Kanev (19681973)

Head of Research Group Photoelectrical and Optical Phenomena in Wide Gap Semiconductors in Department of J. Kassabov (19731989)

Professor 1992

Head of Department Photoelectrical and Optical Phenomena in Wide Gap Semiconductors Laboratory(19891999)

Retired (1999)

Field of Research

Crystalline and amorphous semiconductors, thin films, multilayers and amorphous superlattices of chalcogenides, photoelectrical, electrical and optical phenomena, structure and photostructural changes, transport and recombination processes, defect states, electrophotographic and photolithographic properties and low-temperature thermal properties of chalcogenides.

In the field of the photoeffects in chalcogenides the photoinduced phenomena in crystalline and amorphous chalcogenides are developed. Investigations of nanostructures are initiated and the new field of the amorphous multilayers and superlattices from chalcogenides are developed.

Publications
  1. F. Yakophanoglu, D. Arsova, E. Vateva, Photoinduced Changes of Optical Parameters of Thin Films from Ge30.8As63.5S63.5 glass, J. Optoelectron..Adv. Mater. 8 (2007)

  2. E. Vateva, B. Terziyska, H. Misiorek, A. Jezovski, D. Wlosewics, D. Arsova, Low-temperature thermal properties of Ge-As-S glasses, J. Optoelectron..Adv. Mater., 7, 357-360 (2005)

  3. B. Terziyska, H. Misiorek, E. Vateva, A. Jezowski, D. Arsova, Low-temperature thermal conductivity of GexAs40-xS60 glasses, Solid State Comm., 134, 349-353 (2005)

  4. B. Terziyska, A. Czopnic, E. Vateva, D. Arsova, R. Czopnik, Low-temperature specific heat of Ge-As-S glasses, Phil. Mag. Letters, 85, 145-150 (2005)

  5. Y.C. Boulmetis, A. Perakis, C. Raptis, D. Arsova, E. Vateva, D. Nesheva, E. Skordeva, Composition and temperature dependence of the low-frequency Raman scattering in Ge-As-S glasses, J. Non-Cryst. Solids, 147, 187-196 (2004)

  6. E. Vateva, D. Arsova, E. Skordeva, V. Pamukchieva, Irreversible and Reversible Changes in Bandgap and Volume of Chalcogenide Films, J. Non-Cryst. Solids 326-327 (2003) 243-247

  7. E. Vateva, E.Skordeva, Nanoscale arrangement in GexAs(Sb)40-xS60 systems, J.Optoel.Adv.Mat. 4 (2002) 3-11

  8. E. Skordeva, D. Arsova, V. Pamukchieva, E. Vateva, R. Golovchak, Kovalskiy, O. Shpotyuk, Gamma-induced changes in Ge-As-S glasses. J. Optoelectronics and Advanced Materials, 2 (3) 259-266 (2000)

  9. E. Vateva, G. Tschaushev, Laser ablated amorphous multilayers, J. Optoelectron..Adv. Mater., 1, 9-14 (1999)

  10. D. Nesheva, I.P. Kotsalas, C. Raptis, E. Vateva, On the structural stability of amorphous Se/CdSe multilayers: a Raman study, J. Non-Cryst. Solids 224, 283-290 (1998)

  11. E. Vateva, Amorphous superlattices of chalcogenides, NATO ASI Series, 3, High Techn. V.36: "Physics and Applications of Non-Crystalline Semiconductors in Optoelectronics, eds. M. Bertolotti a. A. Andriesh, Kluwer Acad. Publ., The Netherlands, p.61-75, 1997

  12. T. Velinov, M. Gateshki, D. Arsova, E. Vateva, Thermal diffusivity of Ge-As-Se(S) glasses, Phys. Rev. B(R) 55, 11014-11017 (1997)

  13. M. Popescu, F. Sava, A. Lorinczi, E. Vateva, D. Nesheva, P.-J. Koch, T. Gutberlet, W. Uebach, H. Bradaczek, Thermal stability of amorphous Se/CdSe multilayers, Sol. State Comm. 103, 431-434 (1997)

  14. E. Vateva, D. Nesheva, Small-Angle X-ray Diffraction Studies on Interface Sharpness of Amorphous Se/CdSe Superlattices, J.Non-Cryst.Sol., 191, 205-208 (1995)

  15. E. Vateva, D. Arsova, E. Skordeva, E. Savova, Physical and Physicochemical Evidences for Topological Phase Transition in Amorphous Chalcogenide Films, Proc. 11th ISCMP Varna'94, Electronic Materials,Series,Eds J.Marshall,N.Kirov,A.Vavrek, RSP LTD,1995,England,p.604-611

  16. E. Vateva, E. Savova, New medium range order features in Ge-Sb-S glasses, J. Non-Cryst. Sol., 192-193, 145-148 (1995)

  17. E. Vateva, I. Georgieva, Optically-induced stepwise absorption in Se/Se85Te15 Multilayers, J. Non-Cryst. Sol. 164-166, 865-868 (1993)

  18. E. Vateva, E. Skordeva, D. Arsova, Average Coordination Number Dependence of Photostructural Changes in Amorphous Ge-As-S Films, Phil. Mag. B, 67 (1993) 225-235

  19. . Vateva, ,DSc , , (1990)

  20. E. Vateva, I. Georgieva, Amorphous Se/Se-Te multilayers, J.Non-Cryst. Sol., 114, 124-126 (1989)

  21. D. Minkov, E.Vateva, E.Skordeva, D.Arsova, M.Nikiforova, Optical properties of Ge-As-S thin films, J. Non-Cryst. Sol. 90, 481-484 (1987)

  22. E. Vateva, D. Nesheva, Photoinduced phenomena in chalcogenide structures, J.Non-Cryst.Sol., 90, 497-504 (1987)

  23. E. Vateva, M. Nikiforova, E. Skordeva, Ge-As-S Selective Solubility, J. Non-Cryst. Sol., 77-78 (1985) 1133-1136

  24. D. Nesheva, E.Vateva, N. Korsunskaya, I. Markevich, Influence of annealing on photoinduced phenomena in CdS, J. Phys. D: Appl. Phys., 18, 677-683 (1985)

  25. B. Pashmakov, E. Vateva, . Bekirov, Electrophotographic multi-layer plates based on vacuum evaporated CdS and polyethylene, Appl.Phys.A, 37, 243-246 (1985)

  26. D. Nesheva, E. Vateva, A photodetector based on the heterojunction amorphous CdS - crystaline Si, Photon-Detectors, 12th International Symposium, Proceedings, Varna, Bulgaria, 21-23 May 1986, p. 266-274

  27. E. Vateva, D. Nesheva, Photoconductivity of amorphous CdS films, Journal Non-Cryst.Sol., 51, 381-388, 1982

  28. . Vateva, I. Georgieva, On the photochemical sensitizing and ageing in CdS monocrystals (in Russian), , 8, 566-570 (1974)

  29. E. Vateva, Positive and Negative Infrared Photoconductivity of CdS Single Crystals near the Double Injection Threshold, Phys.Stat.Sol. 34, 591-595 (1969)

  30. E. Vateva, On Negative Resistance in CdS, Compt.Rend.Acad.Bulg.Sci. 18, 105-108 (1965)

Reference

  1. . , . , , , 2008, . 185

Jubilee