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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Valeri M. Arakelyan

Director of Centre | Chair of Semiconductor and Microelectronics
Education
1964 - 1969: Yerevan State University, Yerevan, Armenia

Academic degree
Candidate of Physical-Mathematical Sci. (Ph.D.) “Synthesis and investigations of the semiconductor phases on titanium dioxide based for photoelectrochemi-cal conversion of solar energy “, 1982, Institute for Radio Physics and Electronics of Academy of Sciences of Armenia, Ashtarak, Armenia

Professional experience
1971 - 1972: STDBST Yerevan;
1972 - 2000: engineer, scientific worker, senior staff scientist and key scientific worker of PSMD Research Laboratory, Yerevan State University;
2000 - 20007: Head of PSMD Research Laboratory, Yerevan State University; 2007 – up to now - Chief Executive officer of Centre of Semiconductor Devices and Nanotechnologies.

Academic courses
Kinetics of semiconductors, electronics effects in nanotubes, the obtaining methods of heterojunction

Scale of professional interests
Physical properties of new semiconductor materials and structures; photoelectrochemical conversion of solar energy (solar cells); chemical sensors, e-nose; nanoelectronics

Participation in grant projects
CRDF AE1-373, ISTC А-190, А-322, А-321, А-1232; ANSEF 04-PS-cheminorg-728-25; CRDF/IPP AEO-10829-YE-3, ARE2-10838-YE-05/AAT-5-55158-01

Languages
Armenian, Russian, English

avaleri@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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A. I. Kokorin, A. A. Sukhanov, O. I. Gromov, V. M. Arakelyan , V. M. Aroutiounian , V. K. Voronkova
EPR study of TiO2 (rutile) doped with vanadium
2016 | Article
Applied Magnetic Resonance. 2016, v. 47, N 5, 479-485 pp.
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Detection of gasoline vapor by ZnO thin film sensor
2015 | Article
Տhe tenth Intern. Conf. “Semiconductor Micro- and Nanoelectronics”, 2015-09-11, 82-85 pp.
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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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Статические и щумовые характеристики нанокомпозитных газовых сенсоров
2014 | Article
Известия АН Арм. ССР. Физика. – 2014 г. – Т , 5c.
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
Computer-Based Comparative Study of Influence of Various Types of Inhibitors on Kinetics of Bisubstrater Enzymatic Reaction with Sequential Mechanism
2012 | Article
Electronic Journal of Natural Sciences, July2012,Vol2012,Issue 2,pp.7-13
Azizyan R.A., Gevorgyan A.E. , Arakelyan V.B. , Gevorgyan E.S.
Computational Modeling of Kinetics of the Bisubstrate Enzymatic Reaction with Sequential Mechanism
2012 | Article
Electronic Journal of Natural Sciences, Jan2012,Vol2012, Issue 1, pp.3-12
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
Development of program-controlled titania nanotube array formation technique
2009 | Thesis
Proc. of the Seventh Int. Conf. on Semiconductor Micro- and Nanoelectronics, Tsakhcadzor, Armenia, July 3-5, 2009, pp. 168-171.
V. Arakelyan , V. Aroutiounian , V. Galstyan, Kh. Martirosyan , P. Soukiassian
Hydrogen sensor made of porous silicon and covered by TiO2-x or ZnO<Al> thin film
2009 | Article
IEEE Sensors Journal, v. 9, N1, pp. 9-12, 2009
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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IEEE Sensors
2009 | Book
Journal, vol. 9, issue 1, 2009, pp. 9-12
Gevorgyan A.E., Takgyozyan A.G., Arakelyan V.B. , Gevorgyan E.S.
Investigation of two-enzyme reaction chain kinetics with isolated and complex interaction between the enzymes in presence of an incompetitive inhibitor using computational modeling
2009 | Article
Electronic journal of natural sciences, Jan2009, vol.2009, Issue 1, pp. 12-16
A.G.Takgyozyan, A.E. Gevorgyan, V.B. Arakelyan , E.S. Gevorgyan
Computational modeling of two-enzyme chain in case of complex interaction between enzymes and in presence of inhibitors
2009 | Article
Biological journal of armenia, 2009, v.61 (4), pp.12-19
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)
V. E. Galstyan, Kh. S. Martirosyan , V. M. Aroutiounian , V. M. Arakelyan , A. H. Arakelyan, P. G. Soukiassian
Investigations of hydrogen sensors made of porous silicon
2008 | Article
Thin Solid Films, 517 (2008) 239–241
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)
V. E. Galstyan, Kh. S. Martirosyan , V. M. Aroutiounian , V. M. Arakelyan , A. H. Arakelyan, P. G. Soukiassian
Thin Solid Films
2008 | Article
Investigations of hydrogen sensors made of porous silicon, Thin Solid Films, 517 (2008) 239–241
Takgyozyan A.G., Gevorgyan A.E., Arakelyan V.B. , Gevorgyan E.S.
Comparative analysis of the enzyme and product concentrations within the three-enzyme reaction chain with complex interaction of the first two enzymes and presence of an incompetitive inhibitor
2008 | Article
Electronic journal of natural sciences, Jul2008, Vol.2008, Issue 2 (11), pp.11-17
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)
V. M. Arakelyan , V. E. Galstyan
Fe2O3-Nb2O5 պինդ լուծույթների ստացումը և նրանց էլեկտրաֆիզիկական ու ֆոտոէլեկտրաքիմիական հատկությունների ուսումնասիրումը
2005 | Article
ԵՊՀ Գիտական տեղեկագիր, Բնական գիտություններ, 2005, #2, էջ 59-65
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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)
V. M. Arakelyan , A. G. Sarkisyan, E. V. Putnyn, V. M. Aroutiounian , K. H. Begoyan
Photoelectrochemical characteristics of photocathodes made of high-temperature superconducting ceramics
1992 | Article
Solar Energy Materials and Solar Cells, v. 28, N3, pp. 217-221 (1992)
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)
Влияние легирующих добавок на электрофизические и фотоэлектрохимические свойства TiO2
1981 | Article
Ученые зап. Ер. Гос. Унт. Физика 1, 1981 г.