Доц. д-р Петя Николаева Петковаабв

Доц. д-р  Петя Николаева Петкова

Факултет: Факултет по природни науки

Катедра: ФИЗИКА И АСТРОНОМИЯ

Кабинет: Корпус , стая

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Завършен университет, специалност

Shumen University "Konstantin Preslavsky", specialty - Physics and Mathematics

Месторабота преди постъпване в ШУ

няма такава

Заемани академични длъжности

Shumen University “Konstantin Preslavsky”, Head Assistant, 2008

Shumen University “Konstantin Preslavsky”, Senior Assistant, 2006

PhD student in Shumen University “Konstantin Preslavsky” in the period 01.01.2003 - 01.01.2006

Shumen University “Konstantin Preslavsky”, Assistant, 1999

Shumen University “Konstantin Preslavsky”, Associated Professor, 2012

Придобити научни степени

Doctor's degree in Physics (01.03.26. Electrical, magnetic and optical properties of condensed matter), Date: 9 August 2010

Водени лекции и/или упражнения

Petya Petkova conducts lectures in the following disciplines:

Mechanics, Molecular Physics, Electricity and Magnetism, Optics and Applied Physics.

Области на научни интереси

electronic, optical and photoelectrical properties of crystals; induced birefringence and gyrotropy in isotropic crystals; influence of impurity on the optical properties of crystals and glasses; magnetooptical phenomena in crystalline, amorphous and liquid media; photo- and thermo-luminescence; IR spectroscopy; modules of elasticity of crystals; Zeeman effect and Rashba method in liquids, glasses and crystals

Специализации

Specialization on Strong Correlations and Angle-Resolved Photoemission Spectroscopy, Max-Planck Institute for the Physics of Complex Systems, Dresden, Germany, 2007;

XIX International Course on Physics and Chemistry of Condensed Matter (Physics and Chemistry of Magnetic Materials-The Basics), University of Bialystok, Poland, 2007;

Two specializations in Lansing, Michigan State University, 2007 and two specializations in Annapolis, University of Maryland, 2008;

Specialization on Optical properties of Coupled Semiconductor and Metallic Nanoparticles, Max-Planck Institute for the Physics of Complex Systems, Dresden, Germany, 2008;

Summer Course “Nanomagnetism and Spintronics”, Prague, Charles University, Czech Republic, 2008;

XIII Training Course in the Physics of Strongly Correlated Systems, Vietri sul Mare, Italy, 2008;

XX International Course on Physics and Chemistry of Condensed Matter (Structural Investigations of Functional Materials), University of Bialystok, Poland, 2009;

International Course on Fundamentals and Basic Methods of Crystal Growth, Transilvania University of Brasov, Romania, 2009;

CFN Course on Nano-Photonics, Karlsruhe Institute of Technology, Germany, 2010;

Daubechies Wavelets in Electronic Structure Calculation: BigDFT Code Tutorial, Service Formation Continue Alternance et Apprentissage, Campus de Bissy - St Martin d Heres (Grenoble), France, 2011;

XVII Training Course in the Physics of Strongly Correlated Systems, Vietri sul Mare, Italy, 2012

Участия в международни и национални научни проекти

Bulgarian National Fund project TK-X-1714/07: Growth and investigation of MgSO3.6H2O single crystals (undoped and doped with Ni and Co);

Bulgarian National Fund project TK-X-1715/2007: Modification and modeling of physical parameters of crystals for optical storage and processing of information;

The project number 8/u07/5188, Preparation and characterization of the photonic materials doped with transition and rare earth elements under National Algerian Project (PNR) with international collaboration (2011 – 2013 г.);

participant in the project „Undergraduate practices“,BG051PO001-3.3.07-0002, financed by the Operational Programme for Human Resources Development and by the European Social Fund as an academic mentor.

проект на тема “Ab initio and semi-empirical modelling of optical properties of materials doped with transition metal and rare-earth ions”, сключен с катедрата по физика към Западния университет в Тимишуара, Румъния с продължителност 2014-2015 г.

проект на тема “Spectral properties of 3d ions in solids with potential applications in optics and quantum electronics”, сключен с катедрата по физика към Западния университет в Тимишуара, Румъния с продължителност 2016-2017 г.

Организационна дейност

member of the Reviewers' team and Technical Program Committee of 2nd Global Conference on Materials Science and Engineering (CMSE 2013), Xianning, China, Nov. 20-22, 2013

member of the Reviewers' team and Technical Program Committee of 3rd Global Conference on Materials Science and Engineering (CMSE 2014), Shanghai, China, Oct. 20-22, 2014

member of the Reviewers' team and Technical Program Committee of 3rd International Conference on Biomedical Engineering and Biotechnology (ICBEB2014), September 25-28, 2014, Beijing, China

member of the Reviewers' team of The 2nd Virtual Multidisciplinary Conference QUAESTI, December 15 – 19, 2014, Zilina, Slovakia

member of the Reviewers' team of The 3rd Virtual Multidisciplinary Conference QUAESTI, December 7 – 11, 2015, Zilina, Slovakia

Членства в научни организации

Bulgarian Physical Union

Union of Scientists in Bulgaria

Bulgarian Crystallographic Society

Member of the Editorial Board of the Journal of Applied and Advanced Physics (JAAP) - Cresco

Държавни и/или научни награди

plaque of honour, the club of Chemistry, Balikesir University, Turkey, May 2012

certificate for 7 publications related to current problems of solid-state physics, Union of Scientists in Bulgaria, October 31, 2013

certificate of appreciation awarded to Petya Petkova for serving as a reviewer for Optical Engineering during the calendar year of 2013, Presented by Ronald G. Driggers, Editor-in-Chief

certificate of publication for the article titled: "An attempt to give exact solitary and periodic wave polynomial solutions to the nonlinear Klein-Gordon-Shrodinger equations" from the Journal "Chaos Solitons & Fractals", IF: 1.448, Elsevier, Volume 81PA, pp. 299-302, 2015

Книги

2016г. - Modern Technologies for Creating the Thin-film Systems and Coatings, P. Petkova and other authors, Edited by Nikolay Nikitenkov, ISBN: 978-953-51-5056-5, Intech, Book Citation Index in Thomson Reuters and Web of Science Core Collection

Статии

2016г. - Common and different doping patterns within photo-reactive complex of Co2+ in Bi12SiO20 and Co3+ in Bi12TiO20, P. Petkova, K. Boubaker, P. Vasilev, M. Mustafa, A. Yumak, D. Bachvarova // Optik, Vol. 127, pp. 3925-3928, 2016

2016г. - Performance of Eu-doped oxide films for advanced materials engineering and energy conversion:arguments for the lattice compatibility theory (LCT), A. Yumak, K. Boubaker, A. Colantoni, P. Petkova, D. Monarca, M. Cecchini, L. longo // Journal of Materials Sciences and Engineering with Advanced Technology, pp. 1-13, 2016

2016г. - Europium incorporation dynamics and some physical investigations within ZnO sprayed thin films, O. Kamoun, A. Boukhachem, A. Yumak, P. Petkova, K. Boubaker, M. Amlouk // Materials Science in Semiconductor Processing 43, pp. 8-16, 2016

2016г. - Infrared Spectroscopy of Undoped and Cu-doped (80-x)Sb2O3-20Li2O-xMoO3 Glasses, P. Petkova, K. Boubaker, P. Vasilev, M. Mustafa, A. Yumak, H. Touihri and M.T. Soltani // AIP Conference Proceedings 1727 (APMAS15), pp. 020017-1-9, 2016

2016г. - Effect of Europium content on physical properties of In2O3 thin films for sensitivity and optoelectronic applications, O. Kamoun, A. Boukhachem, C. Mrabet, A. Yumak, P. Petkova, K. Boubaker, M. Amlouk // Bulletin of Materials Science 39, pp. 777-788, 2016

2016г. - Marketing Communication of the Sign, P. Petkova, T. Dimitrova // Proceedings in QUAESTI 2015, pp. 97-101

2016г. - Optical, Physical, Chemical and Electrical Properties of Nickel Oxide Sprayed Thin Films under Tin Doping Effects, M. Ben Amor, N. Hamzaoui, A. Boukhachem, C. Mrabet, M. Ghamnia, A. Yumak, K. Boubaker, P. Petkova, M. Amlouk // Advances in Ceramic Science and Engineering, Vol. 4, pp. 19-41, 2015

2016г. - Energy levels scheme simulation of divalent cobalt doped bismuth germinate, E. – L. Andreici, P. Petkova, N.M. Avram // AIP Conference Proceedings, Vol. 1694, pp. 030007 – 1 - 030007 – 4, 2015

2016г. - Magneto-optical properties of Bi12SiO20:Ni, P. Petkova, P. Vasilev // Optik 127, pp. 9076-9080, 2016

2016г. - Spiritual Format of the Product, T. Dimitrova, P. Petkova // Proceedings of 12th International Prof. Vladas Gronskas Young Reserchers Scientific Conference "Development in Economics : Theory and Practice", Kaunas : VU KHF, December 2015 - in press

2016г. - Doping-induced stability in vanadium-doped ZnO quantum well wires (QWW):Combination of DFT calculations within experimental measurements, A. Yumak, S. Goumri-Said, W. Khan, K. Boubaker, P. Petkova // Solid State Sciences 57, pp. 33-37, 2016

2016г. - Anisotropic magneto-optical properties of vanadium in Bi4Ge3O12, P. Petkova // Journal of Magnetism and Magnetic Materials 410, pp. 5-9, 2016

2016г. - Microstructural and optical properties of SnO2-ZnSnO3 ceramics, I. Saafi, R. Dridi, R. Mimouni, A. Amlouk, A. Yumak, K. Boubaker, P. Petkova, M. Amlouk // Ceramics International 42, pp. 6273-6281, 2016

2016г. - Phonon spectra of eulytite crystals Bi4M3O12 (M = Ge, Si) : ab initio study, N.M. Avram, V.A. Chernyshev, E.L. Andreici, V.P. Petrov, P. Petkova // Optical Materials, Vol. 61, pp. 30-36, 2016

2016г. - Acoustics properties of anisotropic Bi12SiO20:Fe, P. Vasilev, P. Petkova, G. Alexieva, B. Bedzhev, Youri Tzoukrovsky // Optik, Vol. 130, pp. 184-188, 2017

2016г. - Magneto-optic study of chromium doped Bi12SiO20, P. Petkova, P. Vasilev and I. Ismail // Journal Scientific and Applied Research, Vol. 9, 2016, pp. 78-83

2015г. - Refractive index calculation of doped Bi4Ge3O12 and Bi12SiO20, P. Petkova and D. Bachvarova // Proceedings in QUAESTI, 2015, pp. 434 – 438

2015г. - Molecular structure stability of Short-Chain Chlorinated Paraffins : Evidence from Lattice Compatibility and Simha-Somcynsky Theories, A. Yumak, K. Boubaker, P. Petkova, U. Yahsi // Journal of Molecular Structure, vol. 1098, 2015, pp. 255 - 260

2015г. - Application of Physics in Volleyball, P. Petkova, T. Simeonova, P. Vasilev, M. Mustafa, D. Bachvarova, N. Yordanova and Ya. Yankov, 9th International Balkan Education and Science Congress Proceedings, 2015, pp. 662 – 664

2015г. - Levels of Consumer Value of the Product Clay, T. Dimitrova and P. Petkova // Proceedings in QUAESTI, 2015, pp. 91 – 95

2015г. - Aqueous solutions of MgSO3.6H2O:M (M = Co or Co+Ni) and nonlinear optics, P. Petkova, M. Mustafa, P. Vasilev, V. Nedkov, J. Tacheva and Y. Tzukrovski, Proc. SPIE, Vol. 9447, 2015, pp. 1 - 6

2015г. - Fermi energy and Urbach’s rule of Ni doped Mn3O4 thin films, P. Petkova, K. Boubaker, P. Vasilev, M. Mustafa, T. Larbi // Bulgarian Chemical Communications, vol. 47, 2015, pp. 431 - 435

2015г. - Stability and morphology-dependence of Sc3+ ions incorporation and substitution kinetics within ZnO host lattice, A. Yumak, G. Turgut, O. Kamoun, H. Ozisik, E. Deligoz, P. Petkova, R. Mimouni, K. Boubaker, M. Amlouk, S. Goumri-Said // Materials Science in Semiconductor Processing, vol. 39, 2015, pp. 103 - 111

2015г. - Electrosynthesis and study of some physical properties of conductive and solid-state gas sensing polydiphenylamine, A. Boukhachem, A. Yumak, S. Krichen, A. Madani, M. Abderrabba, P. Petkova, K. Boubaker, M. Amlouk, H. Bouchriha // Sensors and Actuators A: Physical, vol. 227, 2015, pp. 11 - 20

2015г. - Optical Spectra of the complexes [M(H2O)6]2+ and MSO3 - (H2O)2 (M = Ni2+) // P. Petkova, P. Vasilev, M. Mustafa, V. Nedkov, J. Tacheva and Y. Tzoukrovsky // Bulgarian Chemical Communications, vol. 42, 2015, pp. 1 - 5

2015г. - Vanadium States in Doped Bi12SiO20, P. Petkova, P. Vasilev, M. Mustafa and I. Parushev // Materials Science (MEDZIAGOTURA), vol. 21, N 2, 2015, pp. 167-172

2015г. - Effect of Mn content on structural, optical, opto-thermal and electrical properties of ZnO:Mn sprayed thin films compounds // R. Mimouni, O.Kamoun, A. Yumak, A. Mhamdi, K. Boubaker, P. Petkova, M. Amlouk // JALCOM, vol. 645, 2015, pp. 100-111

2015г. - An attempt to give exact solitary and periodic wave polynomial solutions to the nonlinear Klein-Gordon-Shrodinger equations, A. Yumak, K. Boubaker, P. Petkova // Journal "Chaos Solitons & Fractals”, Elsevier, Volume 81PA, pp. 299-302, 2015

2015г. - Absorption structure of Rh4+ in doped Bi12TiO20, P. Petkova and K. Boubaker // Acta Scientifica Naturalis, Vol. 2, 2015, pp. 87-92, SJIF:2,723

2015г. - Physical Capability and Coordination of Students in Grades 5 - 8, T. Simeonova, P. Petkova, N. Yordanova, Yanko Yankov, P. Vasilev, M. Mustafa, D. Bachvarova, 9th International Balkan Education and Science Congress Proceedings, 2015, pp. 716 – 720

2015г. - Europium doping-induced stability and quantum confinement effect in ZnO quantum well wires QWW: Electronic Structure calculation and material structural investigation in terms of band-gap shift, A. Yumak, U. Yahsi, P. Petkova, K. Boubaker // Materials Letters 43, 2016, pp.8-16

2015г. - Near-infrared dispersion and spin-orbit interaction of Co doped (80-x)Sb2O3-20Na2O-xWO3, P. Petkova, P. Vasilev, M. Mustafa, I. Parushev and M.T. Soltani // Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 152, 2016, pp. 475-479

2014г. - Calculation of the Einstein coefficiens for Co doped (80-x)Sb2O3-20Na2O-xWO3 (x% mol of WO3) glasses, P. Petkova and P. Vasilev // Journal Scientific and Applied Research, vol. 5, pp. 154-161, 2014

2014г. - Electron Transitions in Cr2+ in the Aqueous Solutions of MgSO3.6H2O, P. Petkova, V. Nedkov, J. Tacheva, P. Vasilev, I. Ismailov, M. Mustafa and Y. Tzukrovski // IOP Conference Proceedings, 2014 Journal of Physics, Conference series, 558, 012029, pp. 1-4, 2014

2014г. - Al3+ acceptors and the optical properties of Bi12SiO20:Cr+Al, P. Petkova and P. Vasilev // Journal Scientific and Applied Research, vol. 5, pp. 146-153, 2014

2014г. - The behavior of Ni2+ cations in the aqueous and alcoholic solutions of NiCl2.6H2O, P. Petkova, V. Nedkov, P. Vasilev and I. Ismailov // Physica Scripta, T162, 014029, pp. 1-3, 2014

2014г. - The basketball game and the physical experiment, D. Bachvarova, P. Petkova, T. Simeonova, P. Vasilev, M. Mustafa // Congress Proceedings – sport, stress, adaptation, scientific journal, extra issue, pp. 935-937

2014г. - Influence of W5+ ions on the optical properties of doped Bi12TiO20, P. Petkova, Optical Materials, vol. 37, pp. 160-164, 2014

2014г. - Visible absorption structure of chromium doped (80-x)Sb2O3-20K2O-xPbO glasses, P. Petkova, A. Ghamri, I. Ismailov and M.T. Soltani // Physica Scripta, T162, 014028, pp. 1-4, 2014

2014г. - Shrodinger equation and Co oxygen complexes, P. Petkova, M. Dimitrova, P. Vasilev and M. Mustafa, Science, Education, Innovation, vol. 2, pp. 121-127, 2014

2014г. - Spin-orbit interaction in aqueous and alcoholic solutions of FeCl3.6H2O, P. Petkova, P. Vasilev, M. Mustafa, V. Nedkov and J. Tacheva, Science, Education, Innovation, vol. 2, pp. 114-120, 2014

2014г. - Crystal Field Parameters and Energy Levels Scheme of Trivalent Chromium Doped BSO, P. Petkova, E.L. Andreici, N.M. Avram, IOP Conference Proceedings 1634, pp. 120-124, 2014

2014г. - Application of Physics in Volleyball, P. Petkova, T. Simeonova, P. Vasilev, M. Mustafa, D. Bachvarova, N. Yordanova and Ya. Yankov // 9th International Balkan Education and Science Congress Proceedings, 2014, pp. 662 – 664

2014г. - Physical Capability and Coordination of Students in grades 5 - 8, T. Simeonova, P. Petkova, N. Yordanova, Ya. Yankov, P. Vasilev, M. Mustafa and D. Bachvarova // 9th International Balkan Education and Science Congress Proceedings, 2015, pp. 716 – 720

2014г. - Optical properties of LiNbO3:Ru in the Ultraviolet spectral region, P. Petkova, P. Vasilev, G. Nedelcheva // Acta Scientifica Naturalis, Vol. 1, pp. 38-44, 2014, SJIF:2,723

2013г. - The complexes of Co2+ in Bi12SiO20 and Co3+ in Bi12TiO20 // Journal Scientific and Applied Research, Vol. 3, pp. 84-88, 2013, (P. Petkova, P. Vasilev and G. Nedelcheva)

2013г. - Behavior of Co2+ Cations in the Aqueous and Alcoholic Solution of CoCl2.6H2O // Acta Physica Polonica A, Vol. 123, pp. 207-208, 2013, (P. Petkova and V. Nedkov)

2013г. - Physical Characterization of Sb2O3-M2O-MoO3 (M = Li, K) New Glasses // Acta Physica Polonica A, Vol. 123, pp. 227-229, 2013, (M.T. Soltani, M. Hamzaoui, S. Houhou, H. Touiri, L. Bediar, A.M. Ghemri and P. Petkova)

2013г. - Spectroscopic Properties of Cu Doped (80-x)Sb2O3-20Li2O-xMoO3 Glasses // Acta Physica Polonica A, Vol. 123, pp. 205-206, 2013, (P. Petkova, H. Touiri and M.T. Soltani)

2013г. - Essence, contents and functions of the firm’s mission in the spiritual format of the Relationship marketing // Proceedings in Electronic International Interdisciplinary Conference, pp. 111-115, 2013, (T. Dimitrova, P. Petkova)

2013г. - Tetrahedral and octahedral complexes of Mn2+ in the aqueous solutions of MnCl2.4H2O // Journal Scientific and Applied Research, Vol. 3, pp. 78-83, 2013, (P. Petkova, V. Nedkov, J. Tacheva, P. Vasilev, D. Hristov, G. Nedelcheva, I. Dimitrov, A. Ivanov and I. Ahmed)

2013г. - A fundamental supply to the Lattice Compatibility Theory LCT: Ruthenium-doped Bi12SiO20 molecular structure behavior under UV exposure // Journal of Molecular Structure, Vol. 1049, pp. 233-238, 2013, (K. Boubaker and P. Petkova)

2013г. - Optical Absorption and Emission of Ni Doped (80-x)Sb2O3-20K2O-xMoO3 Glasses // Physica Scripta T 157, 014042 (4 pp.), 2013, (P. Petkova, S. Houhou and M.T. Soltani)

2013г. - The Lattice Compatibility Theory LCT: Supports from the generalized Simha-Somcynsky SS chemical physics-related theory // International Journal of Chemical Physics, Volume 2013, Article ID 728040, 6 pages, (K. Boubaker, A. Colantoni and P. Petkova)

2013г. - Investigation of Urbachs Rule Region in Undoped and Cu doped (80-x)Sb2O3-20Li2O-xMoO3 Glasses // Physica Scripta T 157, 014041 (4 pp.), 2013, (P. Petkova, H. Touiri and M.T. Soltani)

2013г. - Маркетинг свързан с кауза // Сборник научни трудове MATTEX 2012, том 1, pp. 474-479, 2013, (Т. Димитрова, П. Петкова)

2013г. - The Lattice Compatibility Theory (LCT): An attempt to explain Urbach tailing patterns in copper-doped bismuth sillenites (BSO) and germanates (BGO) // Journal of Alloys and Compounds, Vol. 546, pp. 176-179, 2013, (P. Petkova and K. Boubaker)

2013г. - The behaviour of Os ions in the tetrahedral oxygen coordination // Bulgarian Chemical Communications, Vol. 45, Number 4, pp. 631-634, 2013, (P. Petkova, P. Vasilev and I. Dimitrov)

2013г. - The structural distortion and Zeeman splitting of the complex CrCl2(H2O)4 // Bulgarian Chemical Communications, Vol. 45, Number 4, pp. 607-610, 2013, (P. Petkova, V. Nedkov, J. Tacheva, P. Vasilev and I. Dimitrov)

2012г. - Physical experiment for the influence of the Human bio field on the use-value of the product in the new Marketing paradigm // Proceedings in Advanced Research in Scientific Areas, pp. 168-171, 2012, (T. Dimitrova, P. Petkova)

2012г. - Magneto-optical properties of Fe3+ ions in Bi4Ge3O12 // 12th International Conference on Nanotechnology (IEEE-NANO), 20 - 23 August 2012, Birmingham, UK, ISSN: 1944-9399, pp. 1-2, 2012, (P. Petkova)

2012г. - Tetrahedral complex of Cr3+ and Cr4+ ions in Bi12SiO20 // Journal Scientific and Applied Research, Vol. 2, pp. 58-65, 2012, (P. Petkova)

2012г. - Influence of Cu2+ and Cu3+ cations on the optical properties of Bi12SiO20:Cu // Acta Physica Polonica A, Vol. 121, pp. 149-151, 2012, (P. Petkova, S. Petkov and J. Tacheva).

2012г. - Urbachs rule in undoped and Co Doped (80-x)Sb2O3-20Na2O-xWO3 glasses // Acta Physica Polonica A, Vol. 121, pp. 152-154, 2012, (P.Petkova, M.T. Soltani, S. Petkov and V. Nedkov).

2012г. - Absorption spectra of magnesium sulfite hexahydrate, doped with cobalt // ANALELE UNIVERSITATII DIN BUCURESTI, Seria Fizica, 2012, (Zh. Bunzarov, P. Petkova, I. Iliev, T. Dimov and Ts. Kovachev).

2012г. - Visible and far IR spectroscopic studies of Co doped (80-x)Sb2O3-20Na2O-xWO3 glasses // Physica Scripta, T149 (014057), pp. 1-4, 2012, (P. Petkova, M.T. Soltani, S. Petkov, J. Tacheva and V. Nedkov)

2012г. - 3d electron transitions in Co and Ni doped MgSO3.6H2O // Physica Scripta, T149 (014062), pp. 1-4, 2012, (P. Petkova, Zh. Bunzarov, I. Iliev, T. Dimov, Y. Tzoukrovsky)

2012г. - Оptical influence of Cr3+ and P5+ ions on the properties of doped Bi12SiO20 // Bulgarian Chemical Communications, Vol. 44, pp. 115-119, 2012, (P. Petkova)

2012г. - Еlectron-phonon interaction in Bi12SiO20 doped with Fe2+, Cr3+ and P5+ ions // Bulgarian Chemical Communications, Vol. 44, pp. 120-123, 2012, (P. Petkova)

2012г. - Peculiarities of Ni2+ ions in the crystal lattice of Bi12SiO20:Ni // Optical Materials, Vol. 34, pp. 906-909, 2012, (P. Petkova)

2012г. - Optical properties of Co doped (80-x)Sb2O3-20Na2O-xWO3 glasses // Comptes Rendus de l Аcademie Bulgare des Sciences, Vol. 65, № 6, pp. 759-764, 2012, (P. Petkova, M.T. Soltani, S. Petkov, J. Tacheva and V. Nedkov)

2012г. - Urbach’s parameters of Co, V and Co + V doped Bi4Ge3O12 crystals // Comptes Rendus de l Academie Bulgare des Sciences, Vol. 65, № 5, pp. 609-614, 2012, (P. Petkova)

2012г. - Optical Investigation in UV Region for Undoped and Ni Doped (80-x)Sb2O3-20K2O-xMoO3 Glasses // AIP Conference Proceedings, Vol. 1476, pp. 70-73, 2012, (P. Petkova, S. Houhou and M.T. Soltani).

2012г. - Influence of the 4d transition metals on the Urbach’s parameters of doped Bi12SiO20 // Journal of Physics:Conference Proceedings, Vol. 398, 012044, pp. 1-5, 2012, (P. Petkova).

2012г. - Jahn-Teller effect and spin-orbit interaction in Bi12SiO20:Ru // Journal of Physics:Conference Proceedings, Vol. 398, 012045, pp. 1-5, 2012, (P. Petkova).

2011г. - Urbachs rule of Bi4Ge3O12 doped with 3d and 4d ions // Optical Materials, Vol. 34, issue 1, pp. 265 - 268, 2011, (P. Petkova)

2011г. - Energy level diagram of Cobalt ion in Bi4Ge3O12 single crystal // Balkan Physics Letters, Vol. 19, 191001, pp. 1-5, 2011, ( P. Petkova and V. Marinova).

2011г. - Fundamental Absorption Edge of Pure and Doped Magnesium Sulfite Hexahydrate (MgSO3.6H2O) Single Crystals // Bulgarian Journal of Chemical Communications, Vol. 43, № 2, pp. 198-202, 2011, (Zh. Bunzarov, I. Iliev, T. Dimov and P. Petkova).

2010г. - Linear dichroism in optical spectra of Co-ions in CdS // Optical Materials 32, pp. 909-912, 2010, (P.N. Petkova, T.N. Dimov, I.A. Iliev)

2010г. - Lambda-modulation absorption spectra and photochromic effect in Bi12SiO20:Fe single crystal // JOP Conference Series: Materials Science and Engineering, Vol. 15, 012070, pp. 1-6, 2010, (P. Petkova, B.Kostova, V. Marinova and J. Tacheva).

2010г. - Dispersion of optical activity of magnesium sulfite hexahydrate single crystals // JOP Conference Series, Vol. 253, 012080, pp. 1-5, 2010, (T. Dimov, Zh. Bunzarov, I. Iliev, P. Petkova and Y. Tzoukrovski).

2009г. - Growth of first ever macrocrystals of MgSO3.6H2O – representative of rare crystallographic C3 class, Zh. Bunzarov, Tz. Kovachev, T. Dimov, I. Iliev, P. Petkova, L. Lyutov, Y. Tzoukrovsky // National Crystallographic Symposium – Proceedings, pp. 21-22, 2009

2009г. - Optical Properties of Crystal Water in MgSO3.6H2O Single Crystals // AIP Conference Proceedings, Vol. 1162, pp. 210-214, 2009, (Zh. Bunzarov, T. Dimov, P. Petkova, and I. Iliev).

2009г. - Circular Dichroism in Magnesium Sulfite Hexahydrate, Doped with Cobalt // Proc. of SPIE, Vol. 7501, 75010x-1, 2009, (Zh. Bunzarov, I. Iliev, T. Dimov, P. Petkova, Tz. Kovachev, L. Lyutov, Y. Tzoukrovski).

2007г. - Faraday effect and lambda-modulation absorption spectra of GaP // Journal of Physics:Conference Series 92, 002069 pp. 1-4, 2007, (P.N. Petkova, T.N. Dimov and I.A. Iliev)

2007г. - Optical and magneto-opical properties of Bi4Ge3O12 doped with aluminium and manganese // Journal of Optoelectronics and Advanced Materials, Vol.9 (2) 2007, (278-281) (P. Petkova, V. Marinova, M. Veleva, T. Dimov and I. Iliev).

2007г. - Absorption spectra of Magnesium Sulphite Hexahydrate doped with Nickel // American International Physics – Conference Proceedings, Vol. 899, pp. 329-330, 2007, (P. Petkova, Zh. Bunzarov, I. Iliev and T. Dimov).

2006г. - Optical, magneto-optical and holographic study of Bi4Ge3O12 crystals doped with trasition elements // SPIE, Vol. 6252, 2006, (P. Petkova, V. Marinova, I. Iliev, T. Dimov, S. H. Lin and K. Y. Hsu).

2005г. - Magneto-optical effect in Bi4Ge3O12 single crystals doped with Vanadium // JOAM, Vol. 7 (1), 2005, (439-442) (P. Petkova, V. Marinova, T. Dimov, I. Iliev and M. Gospodinov).

Доклади

2015г. - Quantum Mechanical Transmission with Absorption of ZnO thin films, P. Petkova, D. Bachvarova, P. Vasilev, K. Boubaker and R. Mimouni, Interdisciplinary Surface Science Conference (ISSC-20), 30 March - 2 April 2015, University of Birmingham, Birmingham, UK

2015г. - Infrared spectroscopy of undoped and Cu doped (80-x)Sb2O3-20Li2O-xMoO3 glasses, P. Petkova, K. Boubaker, P. Vasilev, M. Mustafa, A. Yumak, H. Touihri and M.T. Soltani // 5th International Advances in Applied Physics and Materials Science Congress & Exhibition (APMAS 2015), 16 - 19 April 2015, Oludeniz (Mugla), Turkey

2015г. - Spiritual form of the product, P. Petkova and T. Dimitrova // 5th International Advances in Applied Physics and Materials Science Congress & Exhibition (APMAS 2015), 16 - 19 April 2015, Oludeniz (Mugla), Turkey

2015г. - Single oscillator model of undoped and co-doped ZnO thin films, P. Petkova, L. Nedelchev, D. Nasarova, K. Boubaker, R. Mimouni and D. Bachvarova // Third International Conference on Advanced Complex Inorganic Nanomaterials (ACIN 2015), 13 - 17 July 2015, Namur, Belgium

2015г. - Paramagnetic properties of anisotropic MgSO3.6H2O:Co, Youri Tzoukrovsky, P. Petkova, D. Bachvarova // Third International Conference on Advanced Complex Inorganic Nanomaterials (ACIN 2015), 13 - 17 July 2015, Namur, Belgium

2015г. - Common and different doping patterns within complexes of Co2+ in Bi12SIO20 and Co3+ in Bi12TiO20, P. Petkova, K. Boubaker, P. Vasilev, M. Mustafa, D. Bachvarova and A. Yumak // The 8th International Conference on Advanced Materials (ROCAM 2015), 7-10 July 2015, Bucharest, Romania

2015г. - Quantum Mechanical Transmission with Absorption of Co(NO3)2(H2O)6 and Ni(NO3)2(H2O)6, P. Petkova, P. Vasilev, M. Mustafa and D. Bachvarova // The 8th International Conference on Advanced Materials (ROCAM 2015), 7-10 July 2015, Bucharest, Romania

2015г. - Fibonacci superlattice in the aqueous solution of Co(NO3)2(H2O)6, P. Petkova, G. Nedelcheva, M. Mustafa, D. Bachvarova // V International School and Conference on Photonics (PHOTONICA 2015), 24 - 28 August 2015, Belgrade, Serbia

2015г. - Optical activity theory for the oxygen tetrahedra in doped Bi12TiO20, P. Petkova, P. Vasilev, M. Mustafa, D. Bachvarova // V International School and Conference on Photonics (PHOTONICA 2015), 24 - 28 August 2015, Belgrade, Serbia

2015г. - Quantum mechanical transmission with absorption of ZnO thin films, P. Petkova, D. Bachvarova, P. Vasilev, K. Boubaker, R. Mimouni // The 4th International Conference on the Physics of Optical Materials and Devices (ICOM 2015), 31st August - 4th September 2015, Budva, Montenegro

2015г. - Phonon spectra of eulytite crystals Bi4M3O12 (M = Ge, Si):ab initio study, N.M. Avram, V.A. Chernyshev, E. L. Andreici, V.P. Petrov, P. Petkova // The 4th International Conference on the Physics of Optical Materials and Devices (ICOM 2015), 31st August - 4th September 2015, Budva, Montenegro

2015г. - The Lorentz oscillator model and covalent bonds of aqueous solutions, P. Petkova, D. Bachvarova, P. Vasilev // The 4th International Conference on the Physics of Optical Materials and Devices (ICOM 2015), 31st August - 4th September 2015, Budva, Montenegro

2015г. - Fibonacci superlattice in the aqueous solution of Co(NO3)2(H2O)6, G. Nedelcheva, P. Petkova // III Студентска научна конференция "От атома до космоса" с участие на ученици, 15-16 май 2015 г., pp. 73-76

2015г. - Impact of the Sign on the Optical Properties of а Product, T. Dimitrova, P. Petkova, D. Bachvarova, V. Lalova // II International Turkish Congress on Molecular Spectroscopy, September 13-18, 2015, Antalya, Turkey

2015г. - Mazers theory application in Bi4Ge3O12:V, P. Petkova, P. Vasilev, R. Belcheva // XIII National Conference "Natural Sciences 2015" (NCNS 2015), 25 - 27.09. 2015 г., гр. Варна

2014г. - Кобалтови йони в структурата на MSO3 и [M(H2O)6]2+ (M = Co2+), П. Петкова, Г. Неделчева, П. Василев, М. Мустафа, В. Недков, Й. Тачева // II Студентска научна конференция "От атома до космоса", стр. 53-56, 2014

2014г. - Urbach’s Rule Region of Al3+ and P5+ in the Single and Double Doped Bi12TiO20, P. Petkova, P. Vasilev, M. Mustafa and I. Parushev, 2nd Annual International Conference on Chemistry, 2nd Annual International Conference on Physics, 21-24 July 2014, (ATINER 2014), Athens, Greece

Публикувани рецензии, становища и отзиви в научни/академични списания

2015г. - RF2015_TNANO-00179:Proposal of a multi-state memory using voltage controlled magnetic anisotropy of a cross-shaped ferromagnet, IEEE Transactions on Nanotechnology, 2015

2015г. - RF2015_9624: Optical and Electrical Performance of ZnO Films Textured by Chemical Etching, Materials Science (MEDZIAGOTURA), 2015

2015г. - MC:15/4575: Chemiluminescence (CL) has been detected during solid-phase XeF2 decomposition on SiO2 surface, where Xe, Xe+ and singlet oxygen act as CL emitters, Mendeleev Communications, Elsevier, 2015

2015г. - RF2015_MSEC1444: First-principle study on optical properties of C-Si-codoped anatase TiO2, Materials Research Innovations, Maney Publishing, 2015

2015г. - RF2015_MSEC1155: Geometric and Electronic Structures of Bulk CuFeS2: A Density Functional Study, Maney Publishing, 2015

2015г. - RF2015_MSEC1753: Measurement of Retardation of Wide-viewing-angle Quarter Wave Plate, Maney Publishing, 2015

2015г. - MC-D-15-01235: Structural and Spectroscopic studies on composition dependent Sm3+ ions doped Bismuth sodiumfluoroborate glasses, Journal of Molecular Structure, Elsevier, 2015

2015г. - RF2015_12914: Polytype Stabilization of High-purity Semi-insulating 4H-SiC Crystal via the PVT Method, Materials Science (MEDZIAGOTURA), 2015

2015г. - RF2015_695: Determination of radiation shielding properties of cotton polyester blend fabric coated with different barite rate, AIP Conference Proceedings (APMAS 2015)

2014г. - RF2014_4320: Dy3+ - doped tellurite based tungstate-zirconium glasses: Spectroscopic study, Journal of Molecular Structure, Elsevier, 2014

2014г. - RF_2014_ICBE1336: Speciation of chromium and vanadium in medicinal plants from selected farms in the vicinity of ferrochrome and vanadium mines, Bio-Medical Materials and Engineering, 2014

2014г. - RF2014_4574: Structural and Luminescence behaviour of Er3+ doped Telluro-fluoroborate glasses, Journal of Molecular Structure, 2014

2014г. - RF2014_MSE1352: Prediction and Control of the Bi-stable FGM Composites by Temperature Gradient Field, Materials Research Innovations, Maney Publishing, 2014

2014г. - RF2014_MSE1500: Factorial design applied to investigate the effect of vanadium and temperature on nitrogen solubility in Fe-Cr-Ni-Mn system, Materials Research Innovations, Maney Publishing, 2014

2014г. - MC:14/4411: Phosphorescence of the ruthenium(II) hydride-carbonyl complex with 3-hydroxy-2-quinoxaline carboxylic acid as co-ligand, Mendeleev Communications, Elsevier, 2014

2014г. - RF2014_4725: Manganese Modified Structural and Optical Properties of Bismuth Silicate Glasses, Journal of Molecular Structure, Elsevier, 2014

2014г. - RF2014: Characters of graphenes symmetry group Dg80, Physica Scripta, T162, 014022, pp. 1-4, 2014

2013г. - MC:13/4051:New arguments for the Lattice Compatibility Theory LCT : Growth behavior of doped titanates (BTO) and germanates (BGO) beside sillenites (BSO) crystals in terms of Urbach Tailing and Faraday effect, Mendeleev Communications, Elsevier, 2013

2013г. - RF2013_MSE1015: Preparation and the PL properties of Er3+ - Ce3+ co-doped TiO2 powders, Materials Research Innovations, Maney Publishing, 2013

2013г. - RF2013_MSE1020: Fluorescence and Thermoluminescence of Bismuth Silicate-germanate (Bi4Si3(1-x)Ge3xO12) Crystals, Materials Research Innovations, Maney Publishing, 2013

2013г. - RF2013_2865: Absorption spectroscopic studies on gamma irradiated bismuth borosilicate glasses, Journal of Molecular Structure, Elsevier, 2013

2013г. - RF2013_MSE1616: Ehanced Photocatalytic Performance of Fe3+ Doped Three-Dimensional Bi2WO6 Hierarchical Nanoarchitectures under Simulated Solar Light Irradiation, Materials Research Innovations, Maney Publishing, 2013

2013г. - RF2013_MSE1905: Solid Phase Synthesis of Calcium Doped TiO2 Nanomaterials and Their Visible Light Degradation Property, Materials Research Innovations, Maney Publishing, 2013

2013г. - RF2013_3163: Imidazole-based Zn-MOFs as Fluorescent Probe for Acetone Sensing, Journal of Molecular Structure, Elsevier, 2013

2013г. - RF2013_3317: Laser-induced down-conversion and infrared phosphorescence emissivity of novel ligand-free perovskite nanomaterials, Journal of Molecular Structure, Elsevier, 2013

2013г. - OE 130529P: Combination of guided mode and photometric optical metrology methods for the precise determination of refractive index dispersion: Application to polymer blend and ceramic thin films for gas sensors, Optical Engineering, SPIE, 2013

2012г. - RF2012_1764: Modification in structural, physical and optical properties of CeO2-Bi2O3-B2O3 glasses, Journal of Molecular Structure, Elsevier, 2012

2011г. - RF2010_958: Electron Phonon Coupling in the Molecular Charge Transfer Crystal 2-(?-methylbenzylamino-)-5-nitropyridine, Journal of Molecular Structure, Elsevier, 2011

2011г. - RF2011_1202: Enantiomeric synthesis and molecular structure of (2R,3R)- 5-amino-3-(4-(3 methoxyphenyl)piperazin-1-yl)-1,2,3,4-tetrahydronaphthalen-2-ol, Journal of Molecular Structure, Elsevier, 2011

2011г. - RF2011_1221: Syntheses, crystal structures and photoluminescence properties of three novel bis-amide compounds and one polypyridyl Sciffbase, Journal of Molecular Structure, Elsevier, 2011

2010г. - RF2010_365: Crystal Structures, Luminescent Properties and Thermal Decomposition Kinetics of Lanthanide Complexes with 2-chloro-4-fluorobenzoic acid and 2,2?-bipyridine,Journal of Molecular Structure, Elsevier, 2010

2010г. - RF2010_477: X-ray scattering study of liquid acetic acid: Is the short-crystal structure reproduced in the liquid?, Journal of Molecular Structure, Elsevier, 2010

Цитирания

2016г. - Effect of Mn content on structural, optical, opto-thermal and electrical properties of ZnO:Mn sprayed thin film compounds, R. Mimouni, O. Kamoun, A. Yumak, A. Mhamdi, K. Boubaker, P. Petkova, M. Amlouk // Journal of Alloys and Compounds 645, 2015, pp. 100-111 Metal-organo-zinc oxide materials: Investigation on the structural, optical and electrical properties, N. Bouazizi, F. Ajala, A. Bettaibi, M. Khelil, A. Benghnia, R. Bargougui, S. Louhichi, L. Labiadh, R. Ben Slama, B. Chaouachi, K.K. Khirouni, A. Houas, A. Azzouz // Journal of Alloys and Compounds 656, 2016, pp. 146-153

2016г. - 3d electron transitions in Co- and Ni-doped MgSO3.6H2O, P. Petkova, Zh. Bunzarov, I. Iliev, T. Dimov and Y. Tzoukrovsky // Physica Scripta, T149, 014062, 2012 Spin-Forbidden Transitions in the Spectra of Transition Metal Ions and Nephelauxetic Effect, M.G. Brik, S.J. Camardello, A.M. Srivastava, N.M. Avram and A. Suchocki // ECS Journal of Solid State Science and Technology 5(1) R3067 - R3077, 2016

2016г. - Stability and morphology-dependence of Sc3+ ions incorporation and substitution kinetics within ZnO host lattice, A. Yumak, G. Turgut, O. Kamoun, H. Ozisik, E. Deligoz, P. Petkova, R. Mimouni, K. Boubaker, M. Amlouk, S.G. Said // Mater. Sci. Semicond. Process. 39, 2015, pp. 103-111 Effects of lanthanum and sodium on the structural, optical and hydrophilic properties of sol-gel derived ZnO films: A comparative study, M. Shaban, A.M. El Sayed // Materials Science in Semiconductor Processing 41, 2016, pp. 323-334

2016г. - Stability and morphology-dependence of Sc3+ ions incorporation and substitution kinetics within ZnO host lattice, A. Yumak, G. Turgut, O. Kamoun, H. Ozisik, E. Deligoz, P. Petkova, R. Mimouni, K. Boubaker, M. Amlouk, S.G. Said // Mater. Sci. Semicond. Process. 39, pp. 103-111, 2015 Effects of lanthanum and sodium on the structural, optical and hydrophilic properties of sol-gel derived ZnO films:A comparative study, M. Shaban, A.M. El Sayed // Materials Science in Semiconductor Processing 41, pp. 323-334, 2016

2015г. - Urbachs rule of Bi4Ge3O12 doped with 3d and 4d ions // Optical Materials, Vol. 34, issue 1, pp. 265 - 268, 2011, (P. Petkova) Optical and morphological investigation of aluminium and nickel oxide composite films deposited by spray pyrolysis method as a basis of solar thermal absorber, A BAGHERI KHATIBANI and S M ROZATI, Bull. Mater. Sci., Vol. 38, No. 2, April 2015, pp. 319–326, IF: 1,017.

2015г. - Influence of W5+ ions on the optical properties of doped Bi12TiO20, P. Petkova, Optical Materials, vol. 37, pp. 160-164, 2014 First-principles study of the phonon modes in bismuth sillenites, D.J. Arenas, C Middleton, A.F. Kemper, Physical Review B, 2015, IF: 3,736

2015г. - Effect of Mn content on structural, optical, opto-thermal and electrical properties of ZnO:Mn sprayed thin films compounds // R. Mimouni, O.Kamoun, A. Yumak, A. Mhamdi, K. Boubaker, P. Petkova, M. Amlouk // JALCOM, vol. 645, 2015, pp. 100-111 Structural, Surface Morphology and Optical Properties of Pulsed Laser Deposited ZnO Thin Films at Various Laser Pulse Energies, Ying Huang, Jia Yuan Qin, Xiao Ming Shen, Nguyen Manhtai, Yue Chun Fu, Huan He, Shu Long Lu and Li Feng Bian, 3rd International Conference on Material, Mechanical and Manufacturing Engineering (IC3ME 2015)

2015г. - Effect of Mn content on structural, optical, opto-thermal and electrical properties of ZnO:Mn sprayed thin film compounds, R. Mimouni, O. Kamoun, A. Yumak, A. Mhamdi, K. Boubaker, P. Petkova, M. Amlouk // Journal of Alloys and Compounds 645, 2015, pp. 100-111 Fabrication and characterization of optical and electrical properties of Al-Ti-Co-doped ZnO nano-structured thin film, A. Davoodi, M. Tajally, O. Mirzaee, A. Eshaghi // Journal of Alloys and Compounds 657, 2016, pp. 296-301

2014г. - The lattice compatibility theory (LCT): an attempt to explain Urbach tailing patterns in coper-doped bismuth sillenites (BSO) and germinates (BGO), P. Petkova, K. Boubaker, J. Alloys Compd. 546 (2013) 176-179. Thickness effect on the structural and optical constants of stibnite thin films prepared by sulfidation annealing of antimony films, M. Haj Lakhdar, B. Ouni, M. Amlouk, Optik - International Journal for Light and Electron Optics (IF: 0.77), 05/2014

2014г. - Tetrahedral complex of Cr3+ and Cr4+ ions in Bi12SiO20 // Journal Scientific and Applied Research, Vol. 2, pp. 58-65, 2012, (P. Petkova) Modeling of the influence of the thermomechanical modification parameters on the structural changes in polyester fibers, V. Velev, V. Grozev, A. Popov, R. Androsh, T. Dimov, L. Veleva, H. – J. Radush // Journal Scientific and Applied Research, vol. 5, pp. 173-180, 2014

2014г. - Tetrahedral and octahedral complexes of Mn2+ in the aqueous solutions of MnCl2.4H2O // Journal Scientific and Applied Research, Vol. 3, pp. 78-83, 2013, (P. Petkova, V. Nedkov, J. Tacheva, P. Vasilev, D. Hristov, G. Nedelcheva, I. Dimitrov, A. Ivanov and I. Ahmed) Modeling of the influence of the thermomechanical modification parameters on the structural changes in polyester fibers, V. Velev, V. Grozev, A. Popov, R. Androsh, T. Dimov, L. Veleva, H. – J. Radush // Journal Scientific and Applied Research, vol. 5, pp. 173-180, 2014

2014г. - Calculation of the Einstein coefficiens for Co doped (80-x)Sb2O3-20Na2O-xWO3 (x% mol of WO3) glasses, P. Petkova and P. Vasilev // Journal Scientific and Applied Research, vol. 5, pp. 154-161, 2014 Thermoluminescence properties of hausmannite Mn3O4 thin films induced by UV light, H. Hristov, R. Mateva, N. Arhangelova, V. Velev, Y. Baneva, K. Boubaker, T. Larbi, G. Moschini and N.M. Uzunov // IOP Conference Proceedings, 558, 012034, pp. 1-6, 2014

2013г. - Urbachs rule of Bi4Ge3O12 doped with 3d and 4d ions, P. Petkova, Optical Materials, Vol. 34, Issue 1, 2011, pp. 265-268 // Effect of niobium doping on physical, thermal and spectral parameters of infrared transmitting BGO70 glasses, Khair-U-Nisa, Ashraf Chaudhry, M., 2013, Journal of Thermal Analysis and Calorimetry 111(1), pp. 417-423

2013г. - Urbachs rule of Bi4Ge3O12 doped with 3d and 4d ions, P. Petkova, Optical Materials, Vol. 34, Issue 1, 2011, pp. 265-268 // Temperature-controlled synthesis and characterization of Bi4Ge3O12 nanowires, D.S. Kwak, Y.J. Kwon, H.G. Na, T.V. Khai, C. Lee, H.W. Kim, Chemical Engineering Journal, Vol. 222, 2013, pp. 337-344

2013г. - The Lattice Compatibility Theory (LCT): An attempt to explain Urbach tailing patterns in copper-doped bismuth sillenites (BSO) and germanates (BGO), P. Petkova, K. Boubakker, Journal of Alloys and Compounds, Vol. 546, 2013, pp. 176-179 // Structural properties of FeTe2 thin films synthesized by tellurization of amorphous iron oxide tin films, Materials Science in Semiconductor Processing, Vol. 16, 2013, 1912-1917