Atom Vachagan Eganyan
06.09.2016

Candidate of Physical and Mathematical Sciences, Associate Professor

yeganyanatom39@aspu.am

Candidate of Physical and Mathematical Sciences, Associate Professor/Chair of Physics and its Teaching Methods

Research fellow/Laboratory of new materials for quantum electronics and integral optics /compatibility/

Education
2001-2005: Post graduate student at Institute of Physical Researches of NAS RA
1993-2001: Chair of Physics and its Teaching Methods, Yerevan State University, Master and Bachelor's degrees

Academic Credentials
2010: Doctor of Physics (Candidate of Physical and Mathematical Sciences)
"Getting scintillation and garnet laser with Yb3+ ions and the study of their optical and structural properties."
Specialized Council 052 HAC, Institute of Physical Researches of NAS RA

Work Experience
2016 - present: Senior Researcher of Active Materials Laboratory (currently Scintillation Materials Laboratory) of Institute for Physical Researches NAS RA
2015- present: Laboratory of new materials for quantum electronics and integral optics, Research fellow
2014 - present: Assistant of General Physics Department, Faculty of Mathematics, Physics and Informatics of the ASPU after Kh. Abovyan
2004 - 2014: The teacher of physics Gymnasium after V. Petrosyan
1999 - 2016: Researcher of Active Materials Laboratory (currently Scintillation Materials Laboratory) of Institute for Physical Researches NAS RA

Courses
Bachelor’s degree course Mechanics, Molecular Physics, Physics, General Physics, Evaluation tasks of a school course of physics (optional), thermal characteristics of materials (optional)
Master’s degree course Physical fundamentals of radioactive decay (optional), Physical basis of X-ray (optional), Optical properties of dielectrics (optional)

Scope of Academic Interests Solid State Physics, Laser Physics, Optics

Trainings
16.02.2015- 03.06.2015: Qualification courses of teaching staff, organized by the ASPU after Kh. Abovyan (N 0011 - 15)

Membership
A member of a joint Armenian-French labs, a member of OSA

Publications
1. Growth and stoichiometry of Y3Ga5O12 single crystals doped with Yb3+ ions. (with K.L. Ovanesyan, G.O. Shirinyan, C.Pedrini, A.G. Petrosyan), Proc. Conf. on Laser Physics – 2002, p. 79-82, 2003, Ashtarak, Armenia.
2. X–ray and optical studies of ytterbium–doped gallium garnets. (with K.L. Ovanesyan, G.O. Shirinyan, C.Pedrini, C.Dujardin, I.Kamenskikh, N.Guerassimova, A.G. Petrosyan), Nucl. Instrum. Meth., A 537, 2005, p.134–138.
3. Growth, spectroscopic, and laser properties of Yb3+-doped Lu3Al5O12 garnet crystal. (with A.Brenier, Y.Guyot, H.Canibano, C.Boulon, A.Rodenas, D.Jaque, A.G.Petrosyan), J. Opt. Soc. Am. B/Vol. 23, No 4, 2006, pp.676–683.
4. Growth and properties of Yb3+-doped garnet crystal. (with K.L. Ovanesyan, T. Butaeva, R. Manucharyan, G.O. Shirinyan, C.Pedrini, A.G. Petrosyan), Proc. Conf. on Laser Physics – 2007, p. 16-19, 2008, Ashtarak, Armenia.
5. А.Еганян, “О возможности прогнозирования сцинтилляционных свойств иттербийсодержащих гранатов”, Proc. Conf. on Laser Physics – 2008, p. 102-105, 2009, Ashtarak, Armenia.
6. Growth and study of Yb–doped oxides for charge transfer luminescence. (with K.L. Ovanesyan, T. Butaeva, C. Dujardan, I.Kamenskikh, G.O. Shirinyan, C.Pedrini, A.G. Petrosyan), 9th Intern. Conference on Inorganic Scintillators and their Applications, SCINT’07 (4-8 June, Winston-Salem, USA, 2007) p.160.
7. Preparation and structural studies of Yb–doped oxides for charge transfer luminescence. (with T. Butaeva, C. Dujardan, I.Kamenskikh, G.O. Shirinyan, C.Pedrini, A.G. Petrosyan), 15th Intern. Conference on Luminescence and Optical Spectroscopy of CondensedMatter, ICL’08 (7-11 July, 2008, Lyon, France) p.364.
8. Абсорбционно излучательные свойства кристаллов GGG и GGG:Ce. (with T. Butaeva, K.L. Ovanesyan, M. Mkrtchyan, A.G. Petrosyan). Proc. Conf. on Laser Physics – 2009, p. 139-142, 2010, Ashtarak, Armenia.
9. A.V. Eganyan, ''Estimation of the concentration of charge carriers in a conductive layer between LaAlO3 and SrTiO3 dielectrics'', Известия НАН Армении, Физика, т. 48, 3, с. 208-211 (2013). Journal of Contemporary Physics (Armenian Academy of Sciences).
10. ''Estimation of thermal conductivity coefficient for solid-state crystal dielectrics at high temperatures'' (with A.S. Kuzanyan, V. Stathopoulos), Известия НАН Армении, Физика, т. 49, 4, с. 278-283 (2014). Journal of Contemporary Physics (Armenian Academy of Sciences).
11. "Structural and electrical characteristics of lanthanum oxide formed on surface of LaB6 film by annealing", (with A. Igityan, Y. Kafadaryan, N. Aghamalyan, S. Petrosyan, G. Badalyan, R. Hovsepyan, I. Gambaryan, A. H. Semerjian, A. Kuzanyan), Thin Solid Films, vol. 564, pp. 415-418, (2014).
12. ''Estimation of thermal expansion coefficient in solid crystal dielectrics at high temperatures'', (with A.S. Kuzanyan, V. Stathopoulos), Известия НАН Армении, Физика, т. 50, 1, с. 79-83 (2015). Journal of Contemporary Physics (Armenian Academy of Sciences).
13. ''Preparation and investigation of rare earth magnesium hexaaluminate solid solutions'', (with K. Ovanesyan, G. Badalyan, A.S. Kuzanyan, R. Sargsyan, V. Kuzanyan, A. Petrosyan, V. Stathopoulos), Известия НАН Армении, Физика, т. 49, 5, с. 220-227 (2014). Journal of Contemporary Physics (Armenian Academy of Sciences).
14. ''Annealing Effect on the structural, Electrical and Optical properties of Er, Li-Codoped ZnO Films'', (with N. Aghamalyan, R. Hovsepyan, Y. Kafadaryan, R. Kostanyan, S. Petrosyan, M. Mezdrogina, R. Kuzmin), Journal of Materials Science and Engineering B 3 (2) (2013) 119-123.
15. "Оценка коэффициентов теплового расширения и теплопроводности аморфных диэлектриков при высоких температурах", (А.В. Еганян, А.С.Кузанян, В.Н. Статопоулос), Известия НАН Армении, Физика, т. 51, 1, с. 79-83 (2016).
16. "Growth of garnet and perovskite scintillators with non - izovalent minor components and related effects", (with A. Petrosyan, K. Hovhannesyan, M. Derdzyan, R. Sargsyan, F. Moretti, C. Dujardin), Пятая Международная конференция; Инженерия Сцинтилляционных Материалов И Радиационные Технологии ИСМАРТ 2016, 26-30 сентября 2016г, Минск, Беларусь, Сборник Тезисов Докладов, Издательский центр БГУ, pp.100-101.
17. "Growth, optical and EPR studies of 151 Eu2+:YAG single crystals", (with A.G. Petrosyan, H.R. Asatryan, K.L. Hovhannesyan, M.V. Derdzyan, S.P. Feofilov, R.S.Sargsyan), Materials Chemistry and Physics, C 185 (2017) 39-43.
18.Materials Chemistry and Physics, 2017, 185, 39-43, A.G. Petrosyan, H.R. Asatryan, K.L. Hovhannesyan, M.V. Derdzyan, S.P. Feofilov, A.V. Yeganyan, R.S. Sargsyan, “Growth, optical and EPR studies of 151Eu2+:YAG single crystals”. DOI - 10.1016/j.matchemphys.2016.10.002.
19.Journal of Contemporary Physics (Armenian Academy of Sciences), 2017, 52 (4), 387-391, A.V. Yeganyan, T.I. Butaeva, E.P. Kokanyan, “Determination of thermal conductivity coefficient of crystals with the garnet structure at high temperatures”. DOI - 10.3103/S1068337217040120.
20.Journal of Contemporary Physics (Armenian Academy of Sciences), 2018, 53 (2), 152-156, A.V. Yeganyan, E.P. Kokanyan, K.L. Hovhannesyan, T.I. Butaeva, L.E. Hovsepyan, “Estimation of Thermal Expansion Coefficients of Rare-Earth Garnets in a Wide Temperature Range”. DOI - 10.3103/S106833721802007X.
21.CrystEngComm, 2018, (The Royal Society Of Chemistry 2018), 20 (11), 1520-1526, M.V. Derdzyan, K.L. Hovhannesyan, A.V. Yeganyan, R.V. Sargsyan, A. Novikov, A.G. Petrosyan, C. Dujardin, “Dissimilar behavior of YAG:Ce and LuAG:Ce scintillator garnets regarding Li co-doping”. DOI - 10.1039/C7CE02194A.
22.Journal of Contemporary Physics (Armenian Academy of Sciences), 2019, 54, 302-307, A.V. Yeganyan, E.P. Kokanyan, N.E. Kokanyan, M. Aillerie, T. Aubert, “Estimation of the Thermal Expansion Coefficient of Graphene in the Temperature Range of 100–700°K”. DOI - 10.3103/S1068337219030113.
23.Armenian Journal of Physics, 2019, 12, 273-282, M. Mkrtchyan, T. Butaeva, A. Yeganyan, K. Ovanesyan, “Absorption and Emitting Properties of GGG:Ce Single Crystals in the Range of 4f-5d Transitions of Ce3+ Ions”, ISSN 1829-1171.
24.Journal of Contemporary Physics (Armenian Academy of Sciences), 2020, 55 (2), 131-136, K.L. Hovhannesyan, M.V. Derdzyan, A.V. Yeganyan, V.E. Kisel, A.S. Rudenkov, N.V. Kuleshov, A.G. Petrosyan, “Single Crystals of YAP:Yb for Ultra Short Pulse Lasers”. DOI - 10.3103/S1068337220020115.
25.Journal of Contemporary Physics (Armenian Academy of Sciences), 2021, 56, 1, 22–24, A. Yeganyan, K. Hovhannesyan, N. Kokanyan, M. Aillerie, E. Kokanyan, “Graphene Thermal Conductivity at Room Temperatures and Its Relationship with Thermal Expansion”. DOI - 10.3103/S1068337221010138.
26.Kokanyan E.P., Yeganyan A.V., “Еvaluation of problems in physics and methods for their solution”, Lusabac, Erevan, 2017, p. 1-42, ISBN 978-9939-69-209-8, (գիտամեթոդական ձեռնարկ, հայերեն լեզվով, Է․Պ․ Կոկանյան, Ա․Վ․ Եգանյան, «Ֆիզիկայի գնահատման խնդիրները և դրանց լուծման մեթոդները», Հրատ․ Լուսաբաց, Երևան, 2017, տպաքանակ՝ 120)։
27.Kokanyan E.P., Yeganyan A.V., Kharatyan V.M., “Physical basis of radioactive decay”, Lusabac, Erevan, 2017, p. 1-67, ISBN 978-9939-69-219-7, (գիտամեթոդական ձեռնարկ, հայերեն լեզվով, Է․Պ․ Կոկանյան, Ա․Վ․ Եգանյան, Վ․Մ․ Խառատյան «Ռադիոակտիվ տրոհման ֆիզիկական հիմունքները», Հրատ․ Լուսաբաց, Երևան, 2017, տպաքանակ՝ 120)։

ORCID ID  https://orcid.org/0000-0001-7458-4158

Conference materials:
1.Пятая Международная конференция Инженерия Сцинтилляционных Материалов И Радиационные Технологии (ИСМАРТ 2016), Минск, Беларусь, 26.09.2016-30.09.2016, A. Petrosyan, K. Ovanesyan, M. Derdzyan, A. Yeganyan, F. Moretti, C. Dujardin, “Growth of garnet and perovskite scintillators with non - izovalent minor components and related effects”, Сборник Тезисов Докладов, Издательский центр БГУ, p. 100-101, http://www.ismart.su/welcome/.
2. International Conference Laser Physics, LP–2017, Ashtarak, Armenia, 19.09.2017-22.09.2017, A.G. Petrosyan, K.L. Hovhannesyan, A.V. Yeganyan, M .V. Derdzyan, A. Novikov, C. Dujardin, “Structural and optical properties of YAG:Ce and LuAG:Ce with additional Li and Na”, Program Book of Abstracts p. 57-58.
3. 14th Intern. Conference Scintillators and their Applications, SCINT’ 2017, Zurich, 18.09.2017-22.09.2017, A. Petrosyan, K. Hovhannesyan, A.V. Yeganyan, M .V. Derdzyan, A. Novikov, C. Dujardin, “Growth of Ce – doped garnets with additional monovalent impurities and related effects”, Program Book of Abstracts p. 19.
4. Vestnik RAU, 2017, I, 68-75, E. Kokanyan, A. Movsesyan, I. Ghambaryan, M. Bazzan, A. Yeganyan. “Ho-deped lithium niobate thin film. Growth and properties”, ⟨hal-02429842⟩.
5. International Conference Laser Physics, LP–2018, Ashtarak, Armenia, 18.09.2018-21.09.2018, E. Kokanyan, A. Movsesyan, M. Bazzan, N. Kokanyan, I. Ghambaryan, A. Yeganyan, A. Arzumanyan, M. Aillerie “Ho - doped lithium niobate thin films of stoichiometric composition”, Program Book of Abstracts p. 19-20.
6. International Conference Laser Physics, LP–2018, Ashtarak, Armenia, 18.09.2018-21.09.2018, Hovhannesyan K., Yeganyan A., Kisel V., Rudenkov A., Kuleshov N., Petrosyan A., “Effect of Growth Environment on Optical Properties of YAP:Yb”, Book of Abstracts p. 41.
7. Photorefractive Photonics and Beyond (PR'19), Jun 2019, Gerardmer, France, E. Kokanyan, A. Yeganyan, N. Kokanyan, M. Aillerie, T. Aubert., “Estimation of thermal expansion coefficient of graphene in the temperature range of 100-700K”, ⟨hal-02190321⟩.
8. International Conference Laser Physics, LP–2019, Ashtarak, Armenia, 17.09.2019-20.09.2019, K. Hovhanessyan, M. Derdzyan, A. Yeganyan, A. Novikov, A.G. Petrosyan, C. Dujardin, “Effects of non-isovalent impurities on optical and radiative properties of Ce-doped garnet single crystals”.
Awards
2004: 3rd prize for scientific work of the competition, organized by the National Academy of Sciences

Languages: Armenian, Russian, English, French

 

Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image
Media image