Ռադիոֆիզիկայի ֆակուլտետ
Faculty of Radiophysics
The Faculty was established in June 1975 by decision of Armenian Government (USSR era) aiming to meet growing demand in radiophysicist in military, industrial, high technology and R&D sectors of the plan - economy.:
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Gohar E. Shahnazaryan

Researcher | Chair of Semiconductor and Microelectronics
Education (beginning with IHE)
1975 - 1980 Yerevan State University
1980 - 1983 Aspirant in the same field of Physics of Semiconductors and Insulators, Yerevan State University

Professional experience
1980 - 1983 engineer of Research Laboratory of Physics of Semiconductors Materials and Devices of Yerevan State University
1984 - 1992 junior scientific worker of Research Laboratory of Physics of Semiconductors Materials and Devices of Yerevan State University
1993 - up to now scientific worker of Center of Semiconductor Devices and Nanotechnologies of Yerevan State University

Main Research Interests/ Expertise
• photoelectrochemical conversion of solar energy
• physics of semiconductor and semiconductor devices
• nanotechnologies

Current research interests
• gas sensores
• physical properties of new semiconductor materials and structures
• carbon nanotubes

Languages
Armenian, Russian, English

Awards, Honors
President of the Republic Prize 2006 in nomination “Technical Sciences and Information Technologies”

(+374 10) 57-83-82
sgohar@ysu.am

Vladimir Aroutiounian , Valeri Arakelyan , Mikayel Aleksanyan , Artak Sayunts, Gohar Shahnazaryan , Petr Kacer, Pavel Picha, Jiri Kovarik, Jakub Pekarek, Berndt Joost
Nanostructured Sensors for Detection of Hydrogen Peroxide Vapours
2017 | Article
Sensors & Transducers. 2017, Vol. 213, Issue 6, pp. 46-53
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V. M. Aroutiounian , V. M. Arakelyan , G. E. Shahnazaryan , M. S. Aleksanyan , K. Hernadi, Z. Nemeth, P. Berki, Z. Papa, Z. Toth, L. Forro
The ethanol sensors made from α-Fe2O3 decorated with multiwall carbon nanotubes
2015 | Article
Advances in Nano Research, South Korea, 2015, v. 3, N 1, 1-11 pp.
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V. M. Aroutiounian , V. M. Arakelyan , G. E. Shahnazaryan , E. A. Khachaturyan , M. S. Aleksanyan, L. Forro, A. Margez, K. Hernadi, Z. Nemeth
i-Butane sensor made of SnO2/multiwall-carbon-nanotube nanocomposite
2012 | Thesis
Proc. of the 14th Intern. Meeting on Chemical sensors (IMCS 2012), Nuremberg, Germany, May 20-23, pp. 1068-1069, 2012; Booklet of the 14th Intern. Meeting on Chemical sensors (IMCS 2012), Nuremberg, Germany, May 20-23, P1.7.5, p. 169, 2012
V. M. Aroutiounian , V. M. Arakelyan , E. A. Khachaturyan , G. E. Shahnazaryan , M. S. Aleksanyan, L. Forro, A. Magrez, K. Hernadi, Z. Nemeth
Manufacture and investigation of i-butane sensor made of SnO2/multiwall-carbon-nanocomposite
2012 | Article
Sensors and Actuators B: Chemical, 173, (2012), 890-896
V. M. Aroutiounian , V. M. Arakelyan , E. A. Khachaturyan , G. E. Shahnazaryan , M. S. Aleksanyan, K. M. Gambaryan , E. Horvath, R. Smajda, L. Forro, A. Magrez
Manufacture and investigation of gas sensor made of carbon nanotube
2011 | Thesis
Proc. of the 8th Intern. Conf. «Semiconductor Micro- and Nanoelectronics», Yerevan, Armenia, 1-3 July, pp. 14-18, 2011
V. M. Aroutiounian , V. M. Arakelyan , E. A. Khachaturyan , G. E. Shahnazaryan , M. S. Aleksanyan, K. M. Gambaryan , E. Horvath, R. Smajda, L. Forro, A. Magrez
Manufacture and investigation of gas sensor made of CNT/SnO2 tube
2011 | Article
Armenian Journal of Physics, v. 4, N 4, Armenia, pp. 206-210, 2011
Photoelectrochemical Convertors of Solar Energy and Gas Sensors Superconductors Based on Metal Oxide Semiconductors
2010 | Article
In: «Radiophysic department YSU, 35», Yerevan, pp. 68-72, 2010
Anodic nanoporous titanium oxide photoanodes
2009 | Thesis
Proc. of the 7th Intern. Conf. «Semiconductor Micro- and Nanoelectronics», Tsakhcadzor, Armenia, July 3-5, pp. 202-205, 2009
Investigation of nanoporous TiO2 photoanodes with the large area
2009 | Thesis
Theses, The 4th Intern. Renewable and Clean Energy Conf., Yerevan, October 5-7, p. 39, 2009
Manufacture and investigation of nanoporous titanium oxide photoelectrodes
2009 | Article
Phys. Status Solidi C, v. 6, N 7, pp. 1782-1785, 2009
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Manufacture and investigation of nanoporous titanium oxide photoelectrodes
2008 | Thesis
Extended Abstracts of 6th Conf. Porous Semiconductors-Science and Technology, Sa Coma-Mallorca, Spain, pp. 234-235 (2008)
Thin film n-titanium oxide photoanodes for photoelectrochemical production of hydrogen
2008 | Article
Renewable Energy, v. 33, N2, pp. 299-303, 2008
Manufacture and invegastigations of anodized titanium oxide photoanodes
2008 | Article
Armenian Journal of Physics, v. 1, N1, pp. 43-46 (2008)
Investigations of hydrogen sensor made of ZnO<Al> thin film
2008 | Article
Technical Digest of the 19th MicroMechanicsEurope Workshop (MME 2008), Aachen, Germany, September 28-30, pp. 69-72 (2008)
Photoelectrochemistry of tin-doped iron oxide electrodes
2007 | Article
Solar Energy, v. 81, pp. 1369-1376 (2007)
V. M. Arakelyan , Kh. S. Martirosyan, V. E. Galstyan, G. E. Shahnazaryan , V. M. Aroutiounian
Room temperature gas sensor based on porous silicon/metal oxide structure
2007 | Article
Phys. Stat. Sol. (c), v. 4, N 6, p9. 2059-2062 (2007)
Manufacture and invegastigations of anodized titanium oxide photoanodes
2007 | Thesis
Proc. of the Sixth Intern. Conf. «Semiconductor micro- and nanoelectronics», Tsakhcadzor, Armenia, 2007, p. 93-96
V. M. Arakelyan , V. E. Galstyan, Kh. S. Martirosyan , G. E. Shahnazaryan , V. M. Aroutiounian, P.G. Soukiassian
Hydrogen sensitive gas sensor based on porous silicon/TiO2-x structure
2007 | Article
Physica E 38, pp. 219-221 (2007)
Photoelectrochemisrty of tin-doped iron oxide electrodes
2007 | Article
Solar Energy, v. 81, pp. 1369-1376, 2007
Manufacture and Investigation of Titanium Oxide Photoanodes for Water Photoelectrolysis
2006 | Thesis
Proc. of the 16th World Hydrogen Energy Conf. (WHEC 16), Lyon, France, 13-16 June, on CD 147, pp. 1-6, 2006
Investigations of the structure of the iron oxide semiconductor-electrolyte interface
2006 | Article
C. R. Chimie, v. 9, pp. 325-331 (2006)
Photoelectrochemistry of semiconductor electrodes made of solid solutions in the system Fe2O3-Nb2O5
2006 | Article
Solar Energy, v. 80, N 9, pp. 1098-1111 (2006)
Photoelectrochemical production of hydrogen using metal oxide semiconductor photoelectrodes
2006 | Article
International Scientific Journal for Alternative Energy and Ecology (ISJAEE), N 11(43), pp. 77-83 (2006)
Photoelectrochemical production of hydrogen using metal oxide semiconductorphotoelectrodes
2006 | Article
International Scientific Journal for Alternative Energy and Ecology (ISJAEE),N 11(43), pp. 77-83 (2006)
Photoelectrochemisrty of tin-doped iron oxide electrodes
2006 | Article
Book of Abstracts 16th Intern. Conf. on Photochemical Conversion and Storage of Solar Energy (IPS-16), Uppsala , Sweden , W7-P-18, 2006
Photoelectrochemical Conversion of Solar Energy on TiO2 Thin Films
2005 | Thesis
Theses of the Second Renewable Energy Conf. «Energy for Future», Yerevan, 27-29 June, p. 41, 2005; Proc. of the Second Renewable Energy Conf. «Energy for Future», Yerevan, 27-29 June, pp. 98-101, 2005
Investigations of the metal-oxide semiconductors promising for photoelectrochemical conversion of solar energy
2005 | Article
Solar Energy Materials and Solar Cells, v. 89, N2-3, pp. 153-163 (2005)
Metal oxide photoelectrodes for hydrogen generation using solar radiation-driven water splitting
2005 | Article
Solar Energy, v. 78, N5, pp. 581-592 (2005)
Photoelectrochemical conversion of solar energy on TiO2 thin films
2005 | Article
International Scientific Journal for Alternative Energy and Ecology (ISJAEE), N 11(31), pp. 38-41 (2005)
n-TiO2 photoanodes made of anodic thin films and their current-voltage characteristics
2005 | Thesis
Proceedings of the Fifth Intern. Conf. Semiconductor Micro- and Nanoelectronics, Agveran, RA, September 16-18, pp. 211-214 (2005)
Investigations of the Structure of Metal Oxide Semiconductor - Electrolyte Interface
2004 | Thesis
Book of Abstracts 15th Intern. Conf. on Photochemical Conversion and Storage of Solar Energy (IPS-15), Paris, France, July 4-9, W3-P-13, 2004
Investigations of ceramic photoelectrodes from Fe2O3 doped with niobium
2003 | Article
Advances in Science and Technology, v. 33, part D, pp. 425-434 (2003)
Investigation of ceramic Fe2O3<Ta> photoelectrodes for solar energy photoelectrochemical conversion
2002 | Article
International Journal of Hydrogen Energy, v. 27, pp. 33-38 (2002)
Investigation of ceramic Fe2O3<Ta> photoelectrodes for solar energyphotoelectrochemical conversion
2002 | Article
International Journal of Hydrogen Energy, v. 27, pp. 33-38 (2002)
Investigations of the Fe1.99Ti0.01O3-electrolyte interface
2000 | Article
Electrochimica Acta, v. 45, pp. 1999-2005 (2000)
Photoelectrochemical characteristics of Fe2O3 photoelectrodes doped with elements of forth group
1999 | Article
Russian Journal of Electrochemistry, v. 35, N8, pp. 963-968 (1999)
Photoelectrochemical characteristics of flourinated SrTiO3 photoelectrodes
1998 | Thesis
Proceedings of the 12th World Hydrogen Energy Conference (12 WHEC), Buenos Aires, Argentina, 21-26 June, v. 3, pp. 1997-2000 (1998)
Photoelectrochemical Characteristics of Flourinated SrTiO3 Photoelectrodes
1997 | Thesis
Abstacts of the Conf. «Photochemistry», Yerevan, 13-14 October, pp. 33-34, 1997
Photoelectric characteristics of flourinated SrTiO3 photoelectrodes
1997 | Thesis
Hydrogen Energy Conf. (12WHEC). Buenos Aires, 21-26 June, 1998, v.3, pp.1997-2000
G. E. Shahnazaryan , A. G. Sarkissyan, V. M. Aroutiounian , G. V. Saribekyan
Influence of deep states on the capacitance-voltage characteristics of the semiconductor/electrolyte interface
1988 | Article
Russian Journal of Electrochemistry, v. 24, N4, pp. 515-521 (1988)
Investigation of the feasibility ofphotoelectrochemical transformation of solar energy by Fe2O3 photoelectrodes
1985 | Article
Applied Solar Energy, v. 21, N5, pp. 3-7 (1985)
Photoelectrolysis of water by electrodes based on Fe2O3
1983 | Article
Journal of Contemporary Physics, v. 18, N1, pp. 39-47 (1983)
V. M. Arakelyan , V. M. Harutyunyan , A. G. Sarkissyan, Gh. R. Panossyan, A. O. Arakelyan, G. E. Shahnazaryan
Photoelectrolysis of water with photoelectrode based on titanium dioxide
1981 | Article
Russian Journal of Electrochemistry, v. 17, N10, pp. 1471-1476 (1981)