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Created 8.2.2019
Updated 24.1.2024

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

Education

Master Degree from the Faculty of Physics, Sofia University "St. Kl. Ohridsky" (1951–1956)

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 (1968–1973)

Head of Research Group Photoelectrical and Optical Phenomena in Wide Gap Semiconductors in Department of J. Kassabov (1973–1989)

Professor – 1992

Head of Department Photoelectrical and Optical Phenomena in Wide Gap Semiconductors Laboratory(1989–1999)

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. Aneva Z., Nesheva D., Main C., Reynolds S., Fitzgerald A.G., Vateva E.. Electrical properties of nanocrystalline CdSe thin films prepared by thermal vacuum evaporation. Semiconductor Science and Technology, 23, 2008

  2. F. Yakophanoglu, D. Arsova, E. Vateva, Photoinduced Changes of Optical Parameters of Thin Films from Ge30.8As63.5S63.5 glass, Journal of Optoelectronics and Advanced Materials, 8 (2007)

  3. E. Vateva, B. Terziyska, H. Misiorek, A. Jezovski, D. Wlosewics, D. Arsova, Low-temperature thermal properties of Ge-As-S glasses, Journal of Optoelectronics and Advanced Materials (7) 357-360 (2005)

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

  5. 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)

  6. Y. 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”, Journal Non-Crystalline Solids, 147, 187-196 (2004)

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

  8. D. Arsova, V. Pamukchieva, E. Vateva, E. Skordeva, Photo- and thermo-induced bandgap and volume changes in Ge-based chalcogenide films, Journal Material Science, Materials in Electronics (14) 835-836 (2003)

  9. E. Vateva, D. Arsova, E. Skordeva, V. Pamukchieva, Irreversible and reversible changes in band gap and volume of chalcogenide films, Journal Non-Crystalline Solids (326-327) 243-247 (2003)

  10. E. Vateva, E. Skordeva, Nanoscale arrangement in the GexAs(Sb)40-xS60 Systems, Journal of Optoelectronics Advanced Materials 4 (1) 3-12 (2002)

  11. M. Klebanov, V. Lyubin, D. Arsova. E. Vateva, V. Pamukchieva, Photoinduced anisotropy in photobleaching Ge-As-S thin films, Physica B (298) 399-404 (2001)

  12. E. Vateva, E. Skordeva, D. Arsova, V. Pamukchieva, M. Klebanov, V. Lyubin, Photoinduced anisotropy in amorphous Ge As Se films, Proceedings 11th ISCMP, Varna 2000, Materials for information technology in the new millenium, Eds. J. Marshall, A. G. Petrov, A. Vavrek, D. Nesheva, D. Dimova-Malinovska, J. Maud, Bookcraft, Bath (2001) p. 300-303

  13. D. Arsova, E. Skordeva, D. Nesheva, E. Vateva, A. Perakis, C. Raptis, A comparative Raman study of the local structure in (Ge2S3)x(As2S3)1-x and (GeS2)x(As2S3)1-x glasses, Glass Physics and Chemistry (26) Springer International Publishing AG (2000)

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

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

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

  17. 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)

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

  19. 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, Solid State Communications (103) 431-434 (1997)

  20. T. Velinov, M. Gateshki, D. Arsova, E. Vateva, Thermal diffusivity of Ge-As-Se(S) glasses, Phys. Rev. B, 55 (18) 1-4 (1997)

  21. E. Vateva, D. Nesheva, “Small-Angle X-ray Diffraction Studies on Interface Sharpness of Amorphous Se/CdSe Superlattices, Journal Non-Crystalline Solids (191) 205-208 (1995)

  22. 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

  23. E. Vateva, E. Savova, New medium range order features in Ge-Sb-S glasses, Journal Non-Crystalline Solids (192-193) 145-148 (1995)

  24. E. Savova, E. Skordeva, E. Vateva, The topological phase transition in some Ge-Sb-S glasses and thin films, Journal of Physics and Chemistry of Solids, 55 (7) 575-578 (1994)

  25. E. Vateva, I. Georgieva, Optically-induced stepwise absorption in Se/Se85Te15 Multilayers, Journal Non-Crystalline Solids (164-166) 865-868 (1993)

  26. 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

  27. D. Arsova, E. Skordeva, E. Vateva, Topological Threshold in GexAs40-xSe60 Glasses and Thin Films, Solid State Communications (90) 299-302 (1994)

  28. E. Vateva, I. Georgieva, Optical Properties in Se/Se85Te15 Multilayers, 7th ISCMP Electronic and Optoelectronic Materials for the 21st Century, Varna (1992) World Sci. Publ., Singapore, p.319-322

  29. E. Vateva, E. Skordeva, D. Arsova, E. Savova, M. Nikiforova, Structural Phase Transition from 2D to 3D Network in Amorphous Ge-As(Sb,Bi)-S Films, 7th ISCMP Electronic and Optoelectronic Materials for the 21st Century, Varna (1992) World Sci. Publ., Singapore, p. 315-318

  30. E. Vateva, Persistent Photoconductivity in Amorphous Structures, Comptes Rendus de l'Academie Bulgare des Sciences (45) 31-34 (1992)

  31. M. Mitkova, E. Vateva, E. Skordeva, Photothermal Recording in thin films of Se-Te-Ag glasses, Journal Non-Crystalline Sollids (137-138) 1013-1016 (1991)

  32. E. Vateva, R. Ionov, D. Nesheva, D. Arsova, X-ray diffraction investigations on chalcogenide amorphous superlattices, Physics Status Solidi (a) (128) K23-K25 (1991)

  33. E. Skordeva, D. Arsova, E. Vateva, M. Nikiforova, A. Simashkevich, S. Sergeev. S. Shutov, Electron-bombardment stimulated variation of refractive index in GexAs40-xS60 Films, Proceedings of 8th International Conference of Tern. and multin. compers, Kishinev (1990) p. 264-267

  34. T. Tsvetkova, B. Amov, E. Vateva, V. Averyanov, Ion implantation induced modification of vitreous chalcogenides, Physics Status Solidi (a) (119) 107-112 (1990)

  35. E.Vateva, Photostructural changes in amorphous layers of the GexAs40-xS60 type, Proceedings of 8th International Conference Tern. and multin. compers, Kishinev (1990) p. 239-244

  36. E. Vateva, D. Nesheva, I. Georgieva, D. Arsova, R. Ionov, G. Tschaushev, Amorphous Multilayers on the Base on Se, Annual Ec. Super. Physics Technologies (26) 95-100 (1990)

  37. D. Arsova, E. Vateva, M. Nikiforova, E. Skordeva, E. Savova, Amorphous inorganic Ge-As-S Photoresists, 6th ISPPME, Varna 1989, World Scientific, Singapore (1989) p. 267-271

  38. M. Mitkova, E. Vateva, E. Skordeva, Photothermal Recording in thin films from the Se-Te-Ag glasses, ICHORPI Holography 1989, SPIE 1183, Washington (1989) p. 30-34

  39. E. Vateva, I. Georgieva, Amorphous Se/Se-Te multilayers, Journal Non-Crystalline Solids (114) 124-126 (1989)

  40. E. Vateva, I. Georgieva, Amorphous superlattices of vitreous chalcogenide semiconductors, Proc. IX International Conference Non-Crystalline Semiconductors 89, Uzhgorod, (1989) v. 2, p. 22-24

  41. E. Vateva, Photoinduced effects in disordered materials, Proc. 5th ISCMP, Varna 1988, Disordered Systems a. New Materials, eds. M. Borisov, N. Kirov, A. Vavrek, World Sci.Publ., Singapore (1989) p. 266-289

  42. D. Bekiarov, B. Pashmakov, E. Vateva, K. Alexieva, A study of the adhesion of vacuum-evaporated polyethylene films to Al, Thin solid Films (157) 43 (1988)

  43. E.Vateva, On the dispersion parameters of some disordered high-resistivity films, CR Acad.Bulg.Sci. (41) 51-54 (1988)

  44. D. Minkov, E.Vateva, E.Skordeva, D.Arsova, M.Nikiforova, Optical properties of Ge-As-S thin films, Journal Non-Crystalline Solids (90) 481-484 (1987)

  45. E. Vateva, D. Nesheva, Photoinduced phenomena in chalcogenide structures, Journal Non-Crystalline Solids (90) 497-504 (1987)

  46. D. Nesheva, E. Vateva, Influence of In on some electrical, photoelectrical and optical properties of a-CdS, Journal Non-Crystalline Solids, 90, 613-616 (1987)

  47. 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) 266-274 (1986)

  48. B. Embergenov, N. Korsunskaya, I. Markevich, D. Nesheva, E. Vateva, A new photoinduced sensitizing process in CdS single crystals, Comptes Rendus de l'Academie Bulgare des Sciences (38) 839-842 (1985).

  49. E. Vateva, M. Nikiforova, Z. Ivanova, D. Arsova, Photoinduced changes in amorphous chalcogenide films modified at low temperatures, Journal Non-Crystalline Solids (70) 29-36 (1985)

  50. E. Vateva, M. Nikiforova, E. Skordeva, Ge-As-S Selective Solubility, Journal Non-Crystalline Solids (77-78) 1133-1136 (1985)

  51. E. Vateva, D. Nesheva, Transport properties in a-CdS films, Journal Non-Crystalline Solids (77-78) 1317-1320 (1985)

  52. D. Nesheva, E.Vateva, N. Korsunskaya, I. Markevich, Influence of annealing on photoinduced phenomena in CdS, Journal of Physics D: Applied Physics (18) 677-683 (1985)

  53. B. Pashmakov, E. Vateva, À. Bekirov, Electrophotographic multi-layer plates based on vacuum evaporated CdS and polyethylene, Applied Physics A, (37) 243-246 (1985)

  54. B. Pashmakov, D. Nesheva, E. Vateva, D. Dimitrov, S. Metev, Properties of laser-beam sputtered CdS thin films, Journal Mathematical Science Letters (4) 442-444 (1985)

  55. T. Uzunova, B. Amov, V. Averyanov, E. Vateva, M. Babacheva, Transition metal ion implantation in amorphous As2Se3 films, Ibid (1) 189-191 (1984)

  56. T. Uzunova, V. Petrova, V. Averjanov, E. Vateva, B. Amov, Modification of electronic properties of vitreous As2Se3, AsSe, and As3Se2 after transition metal ion implantation, In Energy Pulse Modification of Semic. and Related Mater, part II, Ed. K. Hennig, Z&K, DDR (1984) 661-665

  57. D. Nesheva, E. Vateva, I. Georgieva, Changes in the photosensitivity and dark conductivity of CdS single crystals after illumination at hight temperature, J. Phys. Chem. Sol. (45) 201-206 (1984)

  58. Z. Ivanova, E.Vateva, Amorphous GeS2-AIII-thin films as inorganic photoresist, Thin Solid Films (120) 75-80 (1984)

  59. D. Nesheva, E. Vateva, Some peculiarities of hight temperature sensitization in CdS, Phys. Stat. Sol. (a) (75) K 45-48 (1983)

  60. N. Balchev, K. Kolentsov, E. Vateva, Photoelectric properties of CdS binder layers for image recording, Journal of Electrostatics (14) 1-5 (1983)

  61. Z. Ivanova, E. Vateva, M. Babacheva, Selective solubility of films of germanium chalcogenide glasses, Proc. Int. Conf."Amorph.Semicond. 82", "E", Bucharest, p. 249-251 (1982)

  62. E. Vateva, D. Nesheva, Photoconductivity of amorphous CdS films, Journal Non-Crystalline Solids (51) 381-388 (1982)

  63. D. Nesheva, E. Vateva, Photoinduced phenomena in CdS single crystals due to lowtemperature annealing, Comptes Rendus de l'Academie Bulgare des Sciences (34) 767-769 (1981)

  64. D. Nesheva, E. Vateva, I. Georgieva, On the high temperature sensitization process in CdS, Sci. Rep. Intern. Symp. Ionic Cryst., Russe, p. 102 (1979)

  65. S. Pakeva, K. Kolentzov, N. Balchev, E. Vateva, Peculiarities of ZnS Electroluminescence after light-field Effect, Comptes Rendus de l'Academie Bulgare des Sciences (31) 23-26 (1978)

  66. E. Vateva, I. Georgieva, Connection of optical ageing in CdS with storage conductivity, Comptes Rendus de l'Academie Bulgare des Sciences (31) 27-30 (1978)

  67. E. Vateva, N. Balchev, M. Nikiforova, On photoelectrical and optical phenomena in CdS amorphous films, Proc. Int. Conf.A morphous Semicond.'78, Pardubice (1978), p. 661-664

  68. E. Vateva, N. Balchev, I. Georgieva, N. Koparanova, Threshold and memory switching in thin amorphous films of evaporated SiO with two Al electrodes, Proc. Int. Conf. Amorphous Semicond.'76, Balatonfured, Akademiai Kiado, Budapest (1977) p. 19

  69. E. Vateva, I. Georgieva, Double injection method for determining a parameter of the fast recombination centres in AIIBIV compounds, Comptes Rendus de l'Academie Bulgare des Sciences (28) 743-745 (1975)

  70. E. Vateva, I. Georgieva, V. Popova, Effect of photochemical sensitizing reactions on parameters of double injection I-V characteristics in CdS, Comptes Rendus de l'Academie Bulgare des Sciences (28) 1591-1594 (1975)

  71. E. Vateva, Intensity dependence of photoconductivity in the case of three types of recombination centres, Physics Stat. Solidi A (23) 73-76, (1974)

  72. E.Vateva, On the Intensity Dependence of Photoconductivity and the Possibilities of Determining the Parameters of the Fast Recombination Centres in CdS, Comptes Rendus de l'Academie Bulgare des Sciences (24) 11-14 (1971)

  73. I. Georgieva, E. Vateva, On the Experimental Requirement for Determining the Parameters of the Fast Centres in Photoconductors of the CdS Type Crystals, Comptes Rendus de l'Academie Bulgare des Sciences (24) 15-18 (1971)

  74. E. Vateva, The Effect of IR Irradiation on the Photoconductivity of CdS Single Crystals, Comptes Rendus de l'Academie Bulgare des Sciences (23) 915-918 (1970)

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

  76. Å. Vateva, G. Todorov, M. Kamenova, On the Positive and Negative Photoeffect in Infrared Irradiation of CdS, Comptes Rendus de l'Academie Bulgare sed Sciences (21) 1165-1168 (1968)

  77. E. Vateva, I. Georgieva, M. Ouzounova, On the Peculiarities of Negative Resistance in CdS Diodes, Comptes Rendus de l'Academie Bulgare des Sciences (19) 267-270 (1966)

  78. E. Vateva, On Negative Resistance in CdS, Comptes Rendus de l'Academie Bulgare des Sciences (18) 105-108 (1965)

  79. S.Kanev, N.Koparanova, E.Vateva, A Method for Determining the Type of Contacts Applied to Single Crystals of CdS, CdSe etc., Phys.Stat.Sol. (9) 87-90 (1965)

  80. E. Vateva, G. Blisnakov, Effect of some gases on semiconductor properties of Iron-Chromium Catalyst, Comptes Rendus de l'Academie Bulgare des Sciences (16) 393-396 (1963)

  81. M. Borisov, S. Kanev, E. Watewa, I. Georgieva, Elektrische stimulierte Strome in CdS Einkristallen, Abh.d.DAW zu Berlin, kl.m., ph. (t. 7) 238-242 (1960)

Reference

  1. Ëè÷íà èíòåðíåò ñòðàíèöà

  2. Ë. Ñïàñîâ, Ã. Êàìèøåâà, Ìèëêî Áîðèñîâ çà ñåáå ñè è äðóãèòå çà íåãî, ÁÀÍ, 2008, ñ. 185

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