General Physics and Quantum Nanostructures

About chair

                                                    DEPARTMENT OF GENERAL PHYSICS AND QUANTUM NANOSTRUCTURES

RAU Department of General Physics and Quantum Nanostructures was founded in 2005.

In 2005-2012, it was headed by Prof. Eduard Ghazaryan, D.Sc.,Member of RA National Academy of Sciences. In 2012-2018, the Department was in the Institute of Mathematics and High Technology and was supervised by Prof. Hayk Sarkisyan. In 2018, Associate Professor David Hayrapetyan became Head of Department.
The Department supervises both the educational process and research activities in various areas of solid state physics.

Research
 
The Department realizes theoretical research in the field of semiconductor nanostructures. The main areas of research activities of the department are as follows:

  • Theoretical study of electronic, Coulomb and spin characteristics (impurity and exciton) semiconductor nanostructures (quantum films, quantum wires, quantum dots)
  • Investigation of the optical properties of semiconductor nanostructures
  • Research of electronic and optical characteristics of metallic nanoparticles.
The Department staff is involved in many research projects and grants in Nanophysics.

EDUCATIONAL PROCESS OF THE DEPARTMENT:
The Department offers programs at all levels of study: Bachelor's, Master's, Postgraduate and Doctorate.
 
Bachelor's:
  • 11.03.04 Electronics and Nanoelectronics
Educational program:
  • «Nanoelectronics»
  • «Quantum informatics» 

Master's: 
  • 11.04.04 Electronics and Nanoelectronics
Master's educational programs:
  • "Quantum and Օptical Electronics"
  • 071301.00.7 Energy(Armenian sector)
 Master's educational programs:
  • «071301.05.7Alternative energy»

Ph.D.:
  • 01.04.10 Physics of Semiconductors
  • 13.00.02 Methods of Teaching and Education (Physics)
 
Doctorate:
  • 01.04.10 Physics of Semiconductors

The department is engaged in training specialists in the direction of training "11.03.04 Electronics and nanoelectronics" (both under the bachelor's program and under the master's program). Education is carried out in full-time form, the standard term for mastering the basic educational program of the bachelor's degree is 4 years, the master's degree is 2 years. Upon completion of training under the bachelor's program, graduates are awarded the qualification - bachelor's degree in Electronics and Nanoelectronics, under the master's program - master's degree in Electronics and Nanoelectronics.
The teaching staff of the department teaches general and special disciplines, included in the educational programs of bachelor's and master's degrees in the direction of preparation "11.03.04 Electronics and nanoelectronics".
Also, the teaching staff of the department teaches general and special disciplines included in the educational programs of bachelor's and master's degrees in the following areas of specialities:

 The following laboratories are assigned to the department:

 
Educational Laboratories:
  • Laboratory of Mechanics and Wave Processes (lecture room № 124)
Laboratory work provides favorable conditions for educational and research activities, where, in addition to theory, the acquired knowledge is consolidated in practice.
In the laboratory on mechanics and wave processes, the movement of bodies and the interactions between them are studied.
  • Laboratory of Molecular Physics and Thermodynamics (lecture room № 118)
Laboratory work provides favorable conditions for educational and research activities, where, in addition to theory, the acquired knowledge is consolidated in practice.
The laboratory for molecular physics and thermodynamics studies the physical properties of bodies in various states of aggregation based on their molecular structure.
  • Laboratory of Electricity and Magnetism (lecture room № 118)
Laboratory work provides favorable conditions for educational and research activities, where, in addition to theory, the acquired knowledge is consolidated in practice.
In the laboratory of electricity and magnetism, knowledge of static electricity, electric currents and magnetic phenomena is studied and strengthened.
  • Laboratory of Atomic and Quantum Physics (lecture room № 125)
Laboratory work provides favorable conditions for educational and research activities, where, in addition to theory, the acquired knowledge is consolidated in practice.
In the laboratory of atomic and quantum physics,  the structure and properties of atoms, ions and electronic configurations, as well as the elementary processes in which they participate, are studied.
  • Laboratory of Optics (lecture room № 129)
Laboratory work provides favorable conditions for educational and research activities, where, in addition to theory, the acquired knowledge is consolidated in practice.
The optics laboratory the nature of visible light, infrared and ultraviolet radiation, the properties of light and related phenomena are studied.
 
Research Laboratories:
  • Research Laboratory of Mathematical Modeling of Quantum Systems (Wolfram Laboratory)
The MMQS Laboratory implements simulation, visualization and further analysis of physical processes and phenomena, occurring in various quantum systems, and, in particular, in semiconductor quantum nanostructures. The MMQS Laboratory also organizes lectures and special courses for students of Bachelor's and Master's degrees.


GRANTS:
 № Project / grant name Project code Title Head Time Period
Active Grants
1. Horizon 2020 WIDESPREAD-05-2020 Twinning Program, NanoQIQO   Twinning towards the Russian-Armenian University’s scientific excellence and innovation capacity in nanomaterials for quantum information and quantum optics Hayrapetyan D.B. 2021- up to now
2. Funding for leading research  of the Science Committee of Armenia 21AG-1C022 Theoretical study of the Coulomb, optical, thermodynamic and magnetic characteristics of quasitwo- dimensional colloidal CdS and CdSenanoplatelets Sarkisyan H.A. 2021- up to now
3. Funding for the starting of research groups or the strengthening of laboratories of the Science Committee of Armenia 21SCG-1C008 Single Photons Sources and Entangled Photons Pairs Sources based on Coupled Colloidal
Quantum Dots for Quantum Computing
Hayrapetyan D.B. 2021- up to now
4. Basic Science Funding Programs of the Science Committee of Armenia 10-2/I-5 Investigation of the physical properties of quantum nanostructures with complex geometry and different confining potentials Sarkisyan H.A. 2012- up to now
5. Armenian-Russian Research Collaboration Grant (Science Committee of Armenia) 20RF-041 Investigation of single-particle and multiparticle optical effects in Ge/Si quantum dots Sarkisyan H.A. 2021- up to now
6. Armenian-Russian Research Collaboration Grant (Science Committee of Armenia) 20RF-048 Controllable exciton transport in 2D hybrid organic-inorganic perovskites Hayrapetyan D.B. 2021- up to now
7. Armenian-Italian Research Collaboration Grant (Science Committee of Armenia) AI-01/19 Photophysical investigation of semiconductor quantum dots Hayrapetyan D.B. 2019-up to now
8. Student support program of the State Committee for Science of the Republic of Armenia 20AA-1C007 Optical properties of magnetobiexcitons in semiconductor quantum dots Bleyan Y.Y. 2021- up to now
9. Faculty Research Funding Program 2021 (PMI Science)   Colloidal Quantum Dots as Platforms for Quantum Information Science Hayrapetyan D.B. 2021-2022
10. Grant in the framework of RAU funding - Investigation of multiparticle and photoluminescent characteristics of semiconductor quantum dots and dashes Kazaryan E.M. 2016- up to now
Completed Grants
11. ANSEF-2020 20AN:PS-nano-2205 Theoretical and experimental investigation of optical properties of biexctons in quantum dots Hayrapetyan D.B. 2020- 2021
12. Thematic Science Funding Programs of the Science Committee of Armenia 18T-1C062 Исследование трионных и биэкситонных структур в полупроводниковых квантовых точках Sarkisyan H.A. 2018-2020
13. Young Researchers Support Program 2016 16UR-1CO22 Investigation of quantum nanostructures with nontrivial geometry: electron, exciton and impurity states, linear and nonlinear optical properties in the terahertz region Hayrapetyan D.B. 2016-2018
14. ANSEF 2015 NANO-3905 Cylindrical quantum dot with different confining potentials in the presense of external electrical and magnetic fields: impurity states and electrostatic multipoles Hayrapetyan D.B. 2015-2016
15. Thematic Science Funding Programs of the Science Committee of Armenia 13-1С353 Photoionization of metal clusters.
Photoionization; metal nanoparticles; Fano resonance
Melikyan A.H. 2014-2015
16. COST
EUROPEAN COOPERATION IN SCIENCE & TECHNOLOGY
MP1403 Nanoscale Quantum Optics Hayrapetyan D.B. (representative from RAU) 2014-2019

 

Programs

Bachelor's:

  • 11.03.02 Infocommunication Technologies and Communication Systems
  • 11.03.03 Design and technology of electronic means
  • 11.03.04 Electronics and nanoelectronics

 Master's Directions: 

11.04.04 Electronics and Nanoelectronics
Master's educational programs:
  • Quantum and optics electronics
  • Microelectronic Circuits and Systems

team

Hayrapetyan David Boris

Doctor of Physical and Mathematical Sciences, Associate Professor, Head of Department

Information


Education:
2006-2009 State Engineering University of Armenia, Doctor of Philosophy, Semiconductor Physics
2004-2006 Yerevan State University, Master of Science, Physics
2000-2004 Yerevan State University, Bachelor of Science, Physics

Work experience:
2018 – up to now, Head of the Department of General Physics and Quantum Nanostructures, Institute of Engineering and Physics, Russian-Armenian University.
2017 – up to now, Head of the Laboratory of Mathematical Modeling of Quantum Systems,Russian-Armenian University.
2014up to now, Associate professor, Department of General Physics and Quantum Nanostructures, Institute of Mathematics and High Technologies, Russian-Armenian University.
20142016,Research scientist, Centre of Quantum Technologies and New Materials, Yerevan State
University
20092015,Research scientist, “Heliotechnic” Problem Laboratory, National Polytechnic University of Armenia
20092013, Senior lecturer, Department of General and Theoretical Physics, Russian-Armenian University.
2007 – 2009, Laboratory assistant, Department of General and Theoretical Physics, Russian-Armenian University.

GRANT HEAD:

Current
2021-2023 – Coordinator of Horizon 2020 WIDESPREAD-05-2020 Twinning Program, NanoQIQO, Twinning towards the Russian-Armenian University’s scientific excellence and innovation capacity in nanomaterials for quantum information and quantum optics
2021-2022 - Russian-Armenian Research Collaboration Grant initiated by the State committee of science of Armenia and Russian Foundation for Basic Research, Project 20RF-048, Exciton transport, exciton-exciton interaction, 2D hybrid perovskites, organic-inorganic perovskites, multilayer nanostructure.
2021-2022 – Scientific advisor of the PhD Students Support Program of the State Committee of Science, “Optical properties of magnetobiexcitons in semiconductor quantum dots”, PhD student Yuri Bleyan.
2020-2021 - Principle Investigator of the ANSEF (the Armenian National Science and Education Fund) Award 2020, 20AN:PS-nano-2205, Theoretical and experimental investigation of optical properties of biexctons in quantum dots
2019-2021 - Head of the Project of the Armenian-Italian Research Collaboration Grant initiated by the State committee of science of Armenia, Project AI-01/19, Photophysical investigation of semiconductor quantum dots

Completed
2016 - 2018 – Head of the Project of the Young Scientists Research Support Program initiated by the State committee of science of Armenia, Project 16YR-1C022, Investigation of quantum nanostructures with non-trivial geometry: electronic, excitonic and impurity states, linear and nonlinear optical properties in terahertz range
2015 - 2016 – Principle Investigator of the ANSEF (the Armenian National Science and Education Fund) Award 2015, NANO-3905, Cylindrical quantum dot with different confining potentials in the presence of external electrical and magnetic fields: impurity states and electrostatic multipoles
2012 – Scientific advisor of the Postgraduate Students Support Program-2012 of the State Committee of Science, “Influence of hydrostatic pressure on electronic states and optical properties of spherical quantum dots”

Awards:
2021 - ICO/ICTP GallienoDenardo Award

Scientific interests

  • Theoretical investigation of physical properties of semiconductor low dimensional systems, in particularly, optical properties, such as linear and non-linear absorption, photoluminescence, Raman spectra etc..

List of publications

  • T.A. Sargsian, M.A. Mkrtchyan, H.A. Sarkisyan, D.B. Hayrapetyan, Effects of external electric and magnetic fields on the linear and nonlinear optical properties of InAs cylindrical quantum dot with modified Pöschl-Teller and Morse confinement potentials. Physica E: Low-dimensional Systems and Nanostructures, 126, p.114440, 2021.
  • D.B. Hayrapetyan, E.M. Kazaryan, M.A. Mkrtchyan, H.A. Sarkisyan, Long-wave Absorption of Few-Hole Gas in Prolate Ellipsoidal Ge/Si Quantum Dot: Implementation of Analytically Solvable Moshinsky Model. Nanomaterials, 10(10), p.1896, 2020.
  • H.A. Sarkisyan, D.B. Hayrapetyan, L.S. Petrosyan, E.M. Kazaryan, A.N. Sofronov, R.M. Balagula, D.A. Firsov, L.E. Vorobjev, A.A. Tonkikh, Realization of the Kohn’s Theorem in Ge/Si Quantum Dots with Hole Gas: Theory and Experiment, Nanomaterials, 9 (1), 56, 2019.
  • C.S. Garoufalis, Z. Zeng, G. Bester, D.B. Hayrapetyan, S. Baskoutas, Optical properties of zig-zag and armchair ZnO colloidal nanoribbons. Chemical Physics Letters, 732, p.136659, 2019.
  • D.A. Baghdasaryan, D.B. Hayrapetyan, E.M. Kazaryan, H.A. Sarkisyan, Thermal and magnetic properties of electron gas in toroidal quantum dot. Physica E: Low-dimensional Systems and Nanostructures, 101, pp. 1-4, 2018.
  • D.B. Hayrapetyan, G.L. Ohanyan, D.A. Baghdasaryan, H.A. Sarkisyan, S. Baskoutas, E.M. Kazaryan, Binding energy and photoionization cross-section of hydrogen-like donor impurity in strongly oblate ellipsoidal quantum dot, Physica E: Low-dimensional Systems and Nanostructures, 95, 27-31, 2018.
  • S.I. Pokutnyi, Y.N. Kulchin, V.P. Dzyuba, D.B. Hayrapetyan, Exciton Spectroscopy of Spatially Separated Electrons and Holes in the Dielectric Quantum Dots, Crystals, 8(4), 148, 2018.
  • D.B. Hayrapetyan, E.M. Kazaryan, H.A. Sarkisyan, Magneto-absorption in conical quantum dot ensemble: Possible applications for QD LED, Optics Communications, 371, 138–143, 2016
  • D.B. Hayrapetyan, E.M. Kazaryan, T.V. Kotanjyan, H.K. Tevosyan, Exciton states and interband absorption of cylindrical quantum dot with Morse confining potential, Superlattices and Microstructures, 78, 40-49, 2015.

File information

team

Hayrapetyan David Boris

Doctor of Physical and Mathematical Sciences, Associate Professor, Head of Department
team

Volodya Harutyunyan

Doctor of Physical and Mathematical Scienses, Professor
team

Sos Mailyan

PhD, Associate Professor
team

Eduard Ghazaryan

Doctor of Physical and Mathematical Scienses, Professor
team

Kamo Aharonyan

Doctor of Physical and Mathematical Scienses, Professor
team

Hayk Sargsyan

Doctor of Physical and Mathematical Scienses, Professor
team

Hovhannes Tevosyan

PhD, Senior Lecturer
team

Gagik Baghunts

PhD, Associate Professor
team

Eduard Hakobyan

PhD, Senior Lecturer
team

Mher Mkrtchyan

PhD, Senior Lecturer
team

Tigran Hakobyan

Doctor of Physical and Mathematical Scienses, Associate Professor
team

Yuri Bleyan

PhD, Senior Lecturer
team

Artavazd Kostanyan

PhD, Senior Lecturer
team

Khachik Khachatryan

PhD, Senior Lecturer
team

Yeremia Yengibaryan

PhD, Senior Lecturer
team

Paytsar Mantashyan

PhD, Lecturer
team

Astghik Kuzanyan

PhD, Lecturer
team

Tigran Sargsyan

PhD, Lecturer
team

Yevgeni Mamasakhlisov

Doctor of Physical and Mathematical Scienses, Professor
team

Emil Gazazyan

PhD, Senior Lecturer
team

Aram Papoyan

Doctor of Physical and Mathematical Scienses, Professor
team

Vladimir Gevorgyan

PhD, Senior Researcher, Associate Professor
team

Hayk Zakaryan

PhD, Senior Lecturer
team

Narek Margaryan

PhD, Senior Lecturer
team

Vahagn Abgaryan

PhD, Senior Lecturer
team

Gagik Melikyan

PhD, Associate Professor
team

Pavel Muzhikyan

PhD, Senior Lecturer
team

Hakob Avetisyan

PhD, Senior Lecturer
team

Stepan Papikyan

PhD, Lecturer