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Memoires

Created 22.07.2014
Updated 20.8.2015

Professor D.Sc.
Kostadinka Alexandrova Gesheva

  • Birth date: – 07/01/44

    Actual professional occupation

  • Organisation – Bulgarian Academy of Sciences, Central Laboratory of Solar Energy and New Energy Sources, Department: Photothermal Solar Energy Conversion, Research Group: Group of Thin Film Optical Coatings

  • Postal address – 1784 Sofia, Blvd.”Tsarigradsko shose” 72 Bulgaria
  • Telphone – +359-2-877 84 48, +359-2-979 59 47
  • Fax – +359-2-875 40 16
  • e-mail – kagesh@phys.bas.bg

  • Specialization (IREX grant, Optical Sciences Center, Solar Energy Group of Professor Bernhard Seraphin, Arizona University, August 1979 – December 1980)

    – 2211 Solid State Physics
    – 2211.01 Alloys
    – 2211.13 Interaction of solids with the radiation
    – 2211.24 Optical properties
    – 2211.25 Semiconductors
    – 2211.91 Solid state spectroscopy

  • Professional category: – Professor, Bulgarian Academy of Science, Full time, permanent position

    Research experience

  • Thin Film Technology (Chemical Vapor Deposition
  • Vacuum Evaporation)
  • Photoelectrical and Optical Phenomena in Semiconductors
  • Sold State Optics
  • Spectrally Selective Coatings
  • Energy Control Coatings
  • Molybdenum, Tungsten, Tantalum, Indium, and their oxides, Composite Materials - Black metals, Silicides, Carbonitrides

    Academic background
  • Solid State Physics – Sofia University, 1968

  • PhD – Solid State Optics "CVD technology of Black Molybdenum coatings-solar absorbers and investigation of their properties" – Bulgarian Academy of Sciences, 1983

  • DSc – Speciality Electrical, Magnetic and Optical Properties of condense matter physics, Subject “Thin Film Optical Coatings for Effective Solar Energy Utilization” – Bulgarian Academy of Sciences, 11 May 2009

    Scientific positions

  • Professor – Central Laboratory of Solar Energy and New Energy Sources, Bulgarian Academy of Sciences

    Languages

  • English – Basic foreign, excellent, fluent speaking and writing
  • Russian – Good
  • French – Good
  • Bulgarian – native

    Research Projects

  • 1984 – Principal investigator, contract between the Central Lab.Solar Energy and New Energy Sources, Bulgarian Academy of Sciences, and the Institute of Glass and Ceramics, Sofia. The project title: Spray pyrolisis of In2O3 : Sn coatings on glass

  • 1987 – Ellipsometric methods for determination of optical parameters and thickness of thin films and crystals”, a project between the Central Lab. Solar Energy and New Energy Sources with the Institute of Semiconductors and Optical Materials, Novosibirsk, Russian Academy of Sciences.

  • 1992 – 1994 Coordinator on the Project: “CVD and Sol-gel coatings for cutting tools”; Financial support: ISCAR Co. Izrael Institutions taking part: Central Lab.Solar Energy and New En.Sources, Bulgarian Academy of Sciences

  • 1993 – 1996 Coordinator (CVD coatings) and P. Stefchev (sol-gel coatings) on the Project: F-456, “Technology for deposition of thin film optical coatings of WO3 and investigation of electrochromic effect “, Financial support: National fond “Research studies” at the Ministry of Science and Education; Institutions: Central Laboratory of Solar Energy and New Energy Sources, BAS

  • 1998 – 2001 Coordinator on the F 805, “Investogation of electrochromic effect in optical structures based on CVD - MoO3 and WxMo1-xO3 ans sol-gel TiO2”; Financial support: National fond “Science Research” at the Ministry of Science and Education; Institutions: Central Laboratory of Solar Energy and New Energy Sources, BAS

  • 1992 – 1994 Project: “Shotki barriers W/amorphous Si and alloys”; Financial support: Ministry of Science and Education; Central Laboratory of Solar Energy and New Energy Sources, BAS

  • 1996 – 1998 Personal responsibility CVD W contacts for the solar cells, optimization of the ohmic behaviour of the electrical contacts.Project: “Solar cells based on CdS – CdTe – deposition of W ohmic contacts”, coordinator Dr. Bohne, Germany, Financial support: European Commission for Science

  • June 2006 – September 2010 Coordinator of the National Research Program, “Optical Coatings for Effective Photothermal Solar Energy Conversion"; Financial support: National Fond “Science Research”, Ministry of Education and Science; Institutions: Central Laboratory of Solar Energy and New Energy Sources, Institute of Electronics, Central Lab. for Optical Imaging of Information, Bulgarian Acad. Sciences, Technical University, Sofia

  • 2004 – 2007 Project: "Ion-induced crystallization in amorphous media- effects of high-dose implantation with heavy ions”; Financing by the Ministry of Education and Science, National funds for Science; Basic responsibility: Institute of Solid State Physics, Assoc.Prof. Dr. Maria Kalitzova; Personal responcibility: High-Frequency Electromagnetic Field treatment and the research of the newly developed nanomaterial – formation of Te nanoclusters, changes in the electrophysical behaviour of the system (Silicon with NCs)

    International Collaboration

  • 1988 – 1989 Project “Ellipsometric methods for determination of optical parameters and thickness of thin films and crystals”; CL SENES-BAS and the Institute of Semiconductor Physics, Siberian Science Division, Ellipsometry Laboratory, Russian Academy of Sciences, Novosibirsk

  • 29.01.2002 – 29.01.2004 Project: “Technology and Optical Properties of CVD metal and metal oxide thin films for X-ray Mirrors and Electrochromic Applications”; Financial support: Bulgarian Acad. Sciences and DFG-Germany on a base of Agreement with DFG Germany for common research activities; Institutions: Central Laboratory of Solar Energy and New Energy Sources at the Bulgarian Academy of Sciences; University of Bielefeld, Department of Physics – Frank Hamelmann – Germany

  • 1990 – 2006 Project: “CVD Materials and methods for deposition of thin films for Micro-and Nano –Electronics”; Financial support: Bulgarian Academy of Sciences, Russian Academy of Sciences; Institutions: Central Laboratory of .Solar Energy and New Energy Sources and the Institute of Solid State Physics from Bulgarian Academy side and Laboratory of Epitaxy, Chernogolovka, Moskow, from Russian Academy; G.Beshkov (ISSP) and Dr. Sergei Shapoval (Russian Academy of Sciences)

    Teaching experience

  • 1987 – 1992 Subject: Physics, Task: L, Level: 1; Technical University Physics, Sofia

    Talks and presentations

  • 1980 – Seminar at the Energy Department, Houston University, “Spectrally Selective Surfaces based on Cermet Materials-Black Molibdenum, Invited by Professor Alex Ignatiev

  • Invited talk - seminar at Atizona University, Department of Metallurgy. Invitation made by Professor Crishna Seshan, 1979

  • Invitated talk-seminar at Optical Sciences Center at Arizona University in 1979/80

  • Invited talk-seminar, invitation made by Dr. Rick Gentlemen, Title “Black Mo solar absorber coatings technology”, in Rayteon Co. - Boston, Massachuzetz (during the stay of Dr.Gesheva at OSC, AZ University, 1980

  • Invited seminar on Optical and Electronic W/Mo based Thin Films Materials for application in solar energy and as electrical contacts of solar cells” at NREL, Denver, Colorado, USA, (December, 1994, invitation by Professor Satyen Deb, Director of Research Division of NREL

  • Invited lecture by Dr.Dan Gazit from the Israeli association on crystal growth at the Annual Conference of Izrael Association of Crystal Growth, Nov.1992, Rehovot, Izrael, lecture: CVD-Tungsten and Molybdenum Thin Films Technology and Their impact on Solar Energy Conversion and Microelectronics”. Crystal Growth Conference, November, 1992, held in Weisman Institute for Science, Rehovot, Israel.

  • Invited lecture, K. A. Gesheva, Title: “Optical and Electronic Thin Films grown by Tungsten and Molybdenum Hexacarbonyl CVD Processes”, Tenth International School on Condense Matter Physics “Thin Film Materials and Devices-Developments in Science and Technology”, Varna, 1998, Journal: Proceedings of the Tenth In ternational School on Condense Matter Physics, ISCMP Varna’98, Eds: J.Marshall, N.Kirov and A.Vavrek, J.Maud, Key: A Volume: Pros. ISCMP’98, p. 117-124, 1998

    Around the Didactics of Physics

  • An active member of the Editorial Board of the International Journal of Solar Energy Materials since 1983 and since1994 of Solar Energy Matertrials and Solar Cells up to present. As a member invited Editor of a Special Issue, Solar Energy Materials and Solar Cells, vol.76 (2003), Number 4 April 1 2003, pp429-654

  • Since 2007 invited member of Editorial Board of Open Journal of Material Science

  • Since 2005 a member of the International Advisory Board of the European Conferences on Chemical Vapour Deposition in connection with the Bulgaria being a member of the Euro-CVD Society

  • In 2013, September 1-6th in Riviera resort Golden Sands, the next EUROCVD19 will take place in Bulgaria under the Chairing of Profesor K. A. Gesheva

  • Member of the Society of physicists in Bulgaria since 1975- 2007

  • Member of the Society of Vacuum Coaters, 2004, 2005, 2006

  • Member of the Material Research Society 1995, 1998, 1999

    Publications

    1. K. A.Gesheva – invited review - paper “Research and Technology Aspects of CVD transition metal oxide electrochromic thin films. Recent data for the electrochromic materials performance objectives” chapter in the book “Recent Development in Solar Energy”, Editor Tom P. Hough, 2007, pp. 145-185, Nova Science Publishers, N.Y. Status: AV (a copy of the book available with Gesheva)

    2. Ê. A. Gesheva: “Thin Film Optical Coatings for Efficient Solar Energy Utilization: APCVD Spectrally Selective Surfaces and Energy Control Coatings”; Book Invited by Frank Columbus, President of Nova Science Publishers, N.Y., (www.novapublishers.com then hit authors, K. A. Gesheva). Author/Editor: K. A. Gesheva (the chapters in co-authorship with: Dr. Elizabeth Chain, Dr. Daniela Gogova, Dr. T. Ivanova, (the first coauthor has been working with Gesheva on Black Mo solar absorbers in the Optical Sciences Center, Arizona University, USA, last two coauthors - Gesheva,s former PhD students), bestseller 2008 - 2010; Key: L Pages 297, out of print December, 2007; Status: AV, out of print, December, 2007, 5 copies are available

    3. K. A. Gesheva and E. E. Chain “Chemical Vapor Deposition Technology for Black Molybdenum Spectrally Selective Surfaces” based on shorter version of the first two chapters (after some changes made) of the monography was published by Nova Science Publishers, N. Y. 2008, 107 pages

    4. G. Bodurov1, P. Stefchev1, T. Ivanova1 and K. Gesheva, 1INVESTIGATION OF ELECTRODEPOSITED NIO FILMS AS ELECTROCHROMIC MATERIAL FOR COUNTER ELECTRODES IN “SMART WINDOWS”, MATERIALS LETTERS 117 (2014) 270-272

    5. G. Bodurov, T. Ivanova, K. Gesheva, Technology and Application of Transition Metal Oxide of W-V-O as Functional Layers and NiO Thin Films as Counter Electrode Material in Electrochromic “Smart Windows”, Physics Procedia, volume 46 (2013) pp149-158.

    6. Georgi Bodurov*, Tatyana Ivanova, Miroslav Abrashev, Zoya Nenova,Kostadinka Gesheva,Thin film optical coatings of Vanadium Oxide and mixed Tungsten/Vanadium Oxide deposited by APCVD employingprecursors of Vanadyl Acetylacetonate and a mixture with tungsten hexacarbonyl, Physics Procedia, volume 46, 2013, pp 127-136

    7. G Bodurov, T Ivanova, M Aleksandrova and K A Gesheva,Optical Characterization of WO3-VOx thin films for application in electrochromic devices - "smart windows", SEVENTEENTH INTERNATIONAL SUMMER SCHOOL ON VACUUM, ELECTRON AND ION TECHNOLOGIES VEIT 2011, 19 - 23 September 2011, Sunny Beach, Bulgaria, Journal of Physics:Conference Series 356 (2012) 012016

    8. G Bodurov, N Boshkov, L Lutov, T Ivanova and K A Gesheva, Optical characterization of Zn coatings, deposited on low carbon steel substrates, SEVENTEENTH INTERNATIONAL SUMMER SCHOOL ON VACUUM, ELECTRON AND ION TECHNOLOGIES VEIT 2011, 19 - 23 September 2011, Sunny Beach, Bulgaria, Journal of Physics: Conference Series 356 (2012) 012017.

    9. K. Gesheva, T. Ivanova, G. Bodurov “Transition metal oxide films: technology and “smart windows” electrochromic device performance”, Coatings Science International, 2011, 27 June-1July 2011, Netherlands, Prog.Org.Coat.(2011), Volume 74, Issue4, August 2012, pages 635-639.

    10. T. Ivanova, K. A. Gesheva, M. Kozlov, and M. Abrashev, ”Electrochromic and Optical Study of APCVD MoO3-Cr2O3 Films”, poster at EUROCVD 18, Irland, Noordwijk, September 2011. Paper published in J. of Nanoscience and Nanotechnology”, vol.11, 1-7, 2011

    11. K. A. Gesheva and Tatyana Ivanova “Electrochromic thin films optical coatings – functional elements in “Smart windows”, Fourth International Scientific Conference – FMNS2011, 8 – 11 June 2011, Faculty of Mathematics and Natural Science, South-West University “Neofit Rilski”, Blagoevgrad, Bulgaria; oral paper presentation at the Workshop ”Renewable Energy Technologies”. Proc. FMNS 2011, Volume 1, ISSN 1314-0272, pp. 443 – 454

    12. K. A. Gesheva, T. M. Ivanova and G. Bodurov, “Transition Metal Oxide Films: Technology and “Smart Windows” Electrochromic Device Performance”, Coatings Science International, 2011, 27 June -1 July 2011, Netherlands. Oral paper presentation on 28th of June, Session: Functional Coatings I, 9:45-10:15. Prog.Org.Coat.(2011), Volume 74, Issue4, August 2012, pages 635-639.

    13. K. A. Gesheva, T. Ivanova, M. Kozlov, S. Bojadjiev, “Atmospheric Pressure Chemical Vapour Deposition of electro chromic Mo-W thin oxide films: structural, optoelectronic and vibration properties”, J. Crystal Growth, 312 (2010) 1188-1192

    14. G. H. Dobrikov, M. Russovska, N. Andreev, S. Boyadziev, K. Gesheva, T. Ivanova, P. Sharlandjiev, D. Nazarova, “Development of transparent heat mirrors based on metal oxide thin film structures”, Thin Solid Films 518 (2009) 1091-1094

    15. T. Ivanova1, K. A. Gesheva , M. Abrashev2, P. Sharlandjiev3, D. Nazarova3, Optical and Vibration Spectra Analysis of CVD - mixed oxide films: optimization of films electrochromic performance”, J. of Physics, Conf. Series, 223 (2010) 012039

    16. T. Ivanova, K. A. Gesheva, M. Kalitzova, F. Hamelmann, F. Luekermann, U. Heinzmann, J. of Optoel. Adv. Mater., volume 11, ¹.ISS.10 - 2009, 1513-1516. ISSN 1454-41640, IF = 0.577

    17. Beshkov, G., Spassov, D., Ivanova, T., Gesheva, K., Gogova, D., Krastev, V. Properties of BNx nanolayers prepared by rapid thermal annealing Journal of Optoelectronics and Advanced Materials 11 (10), pp. 1483-1486, 2009

    18. K. A. Gesheva, T. Ivanova, B. Marsen, Pino Zollo, M. Kalitzova, Vapour Growth of Electrochromic Thin Films of Transition Metal Oxides, J. Crystal Growth, Volume 310 (7-9), pp. 2103-2109, 2008

    19. T. Ivanova, K. Gesheva, A. Cziraki, A. Szekeres and E.Vlaikova, “Structural transformations and their relation to the optoelectronic properties of chromium oxide thin films”, J. of Physics, conf. series, Volume 113 (2008), pp. 012030

    20. Maria Kalitzova1*, Oleg I. Lebedev2, Giuseppe Zollo3, Kostadinka Gesheva4, Emil Vlakhov1, Yordan Marinov1, Tatyana Ivanova4, Dynamics of Nanoclustering in Te+ Implanted Si after Application of High Frequency Electromagnetic Field and Thermal Annealing, Applied Physics, A, Vol. 91(3), 515 – 519, 2008

    21. M. Kalitzova, K. Gesheva, E.Vlakhov, Y. Marinov, T. Ivanova, O. Lebedev, “Te+ implanted silicon structure and Electrical Resistance Dependence on High Frequency Electromagnetic Field Annealing “, J. of Physics: conf. series, Vol. 113, pp. 012040, 2008

    22. K. A. Gesheva, “Thin Film Optical Coatings for Effective Photothermal Solar Energy Utilization”, National, Advances in Bulgarian Science (journal of the Center for Information and Documentation at the Ministry of Education and Science), pp. 12 - 49, 2008

    23. K. Gesheva, T. Ivanova, F. Hamelmann, O. Trofimov, Title: “CVD Transition Metal Oxide Films as Functional Layers in “Smart Windows” and X-Ray Mirrors”, Conference: NATO Advanced Study Institute“Functional Properties of Nanostructured Materials”, 3-15. 06. 2005, Communication: invited lecture, Journal: NATO book series, Rainer. Kassing, Plamen Petkov, Wilhelm Kulisch and Cyril Popov (Eds) “Functional Properties of Nanostructured Materials”, NATO Science Series, II Mathematics, Physics and Chemistry - vol. 223, 2006, pp. 341-349

    24. K. A. Gesheva, T. Ivanova, F. Hamelmann, “Multilayer systems based on metal oxide thin films for application as electrochromic devices and X-ray mirrors”, book 4 of Nanoscience $Nanoechnology conferences, pp. 156-159, 2004. Book title: “Nanostructured materials application and innovation transfer”, Eds. E. Balabanova, I. Dragieva (under the advising of Bulgarian Academy of Sciences, National Expert Council on Nanotechnologies), Heron Press, Sofia, 2004

    25. T. Ivanova, K. A. Gesheva, “Influence of the CVD-process parameters on the structure and surface morphology of molybdenum oxide thin films”, Proc. of the 11th ISCMP, Varna 2000, p. 256

    26. A. Szekeres, K. Gesheva, D. Gogova, and T. Ivanova, “The Influence of Oxygen Stream on the Roughness of the Surface Layer of the CVD-WO3 Thin Films”, 11th ISCMP, Varna 2000, Bulgaria, Volume: Proc. of the 11th ISCMP, Varna 2000, Bulgaria, Eds. J. M. Marshall, A.G. Petrov, A. Vavrek, Nesheva D., Dimova-Malinovska, D., Maud, J., Bookscraft, Bath, Page264-267, 2000

    27. Î.Harizanov, P. Stefchev, K. Gesheva, Subject: Increasing of solar installations efficiency by using of spectrally selective surfaces. Conference: International Symposium on new energy sources and fuels –– IX, 1979, Plovdiv, Proc., 1979