Ֆիզիկայի ֆակուլտետ
Faculty of Physics
The process of training specialists in the field of physics and mathematics began in 1922 in YSU.:
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Anna L. Asatryan

Associate Professor | Chair of Solid States
Education
1994 - 1999: Chair of Solid State Physics, Yerevan State University,
PhD in Physics, Thesis title: “Theoretical investigation of relaxation and magnetic characteristics of low-dimensional electronic systems”, degree awarded in January 2000.
1986 - 1991: Chair of Solid State Physics, Yerevan State University, Masters Degree with Honor Diploma.

Professional experience
2008 - present: Associate Professor, Chair of Solid State Physics, Yerevan State University
2015 - present: Researcher, Theoretical Research Group on Phonon-Mediated Decoherence Control of Spin and Charge States in Single and Double Quantum Dots Embedded in Phonon Cavity, Yerevan State University
2013 - 2015: Researcher, Theoretical Research Group on Spin Transitions Induced by Electron-Phonon Interaction and Raman Scattering in Graphene and Silicon Quantum Dots, Yerevan State University
2004 - 2009: Researcher, Armenian State Program “Semiconductor Nanoelectronics”
2001 - 2008: Assistant Professor, Department of Solid State Physics, Yerevan State University
1992 - 2010: Researcher, Research Group on Theoretical Investigation of Kinetic and Optical Properties of Nanostructures, Yerevan State University
1992 - 2001: Senior Laboratory Assistant, Department of Solid State Physics, Yerevan State University
1991 - 1992: Researcher, Institute of Applied Physics Problems, National Academy of Sciences, Republic of Armenia

Specialization: main field
Theory of Solid State and Semiconductor Physics

Research Interests
  • Transport properties of semiconductor quantum wells, wires and dots
  • Phonons in device-relevant nanostructures
  • Polaron effect in polar semiconductor quantum wires and dots
  • Hot carrier relaxation processes in nanostructures

    Teaching
    More than Fifteen Years of Teaching Experience in Faculty of Physics, Yerevan State University
  • Undergraduate courses:
    Introduction to Solid State Physics
    Introduction to Semiconductor Physics
    Physics of Magnetic Phenomena
  • Postgraduate courses:
    Quantum Theory of Solids
    Computational Methods in Solid State Physics

    Grants
  • ANSEF (Grant No. condmatth-3821, “Effect of phonon confinement on the spin relaxation assisted by electron-phonon interaction in quantum dot systems”, 2015)
  • SCS-CNRS-2013 (Grant No. 13IE-038, “Coupled plasmon–phonon modes and carrier kinetics in single semiconductor nanowires”, 2014)
  • ANSEF (Grant No. condmatth-2955, “New Phonon-Assisted Carrier Relaxation Pathways in Colloidal Core-Shell Quantum Dots in the Presence of Uniform Magnetic and Electric Fields”, 2012)
  • Open Society Foundations Armenia, University of Cambridge, Sabbatical leave (Cambridge Colleges Hospitality Scheme, 2010)
  • ANSEF (Grant No. 05-PS-nano-0811-228, “Energy Relaxation By Multiphonon Processes In Quantum Dots”, 2006)
  • ANSEF (Grant No. 04-ps-condmatth 813-95, “Effect of the Strain Field on the Electron States and Electron-Polar Optical Phonon Interaction in Lens-Shaped Quantum Dots”, 2004)
  • INTAS (Project No. 99-00928, “Stranski-Krastanow Quantum Dots in a Microcavity”, 03.10.2000-31.07.2003)
  • INTAS Young NIS Scientist Conference Grant (2002).
  • ANSEF (Grant No. PS24-01, “Investigation of Relaxation Processes in Nanostructures”, 2002)
  • CRDF (Project No.375100 “Carrier Scattering in Quantum Nanosystems” , 1999)


    Conferences:
    Participation in International and Republican Conferences and Symposia on Solid State and Semiconductor Physics. In particular
  • International Conference on Extended Defects in Semiconductors (EDS2002), University of Bologna, Italy (1-6 June, 2002)
  • College on Physics of Nano-Devices, ICTP, Trieste, Italy, (10-21 July, 2006)
  • 19th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON'19), University of Salamanca, Spain, (29 June - 2 July, 2015)

    annaa@ysu.am

  • Influence of image charge effect on impurity-related optical absorption coefficients and refractive index changes in a spherical quantum dot
    2017 | Article
    Superlattices and Microstructures. 2017, 103, pp. 205-212
    Energy-loss rate of hot electrons due to confined acoustic phonon modes in a semiconductor quantum wire under transverse electric field
    2017 | Article
    Physica B-Condensed Matter. 2017, 519, pp. 102-107
    A. L. Vartanian , A. L. Asatryan , A. A. Mkhitaryan, S. S. Avetisyan, A. A. Kirakosyan
    Effects of electric field and image charges on the impurity-related optical absorption coefficients in a spherical quantum dot (Էլեկտրական դաշտի և պատկեր-լիցքերի ազդեցությունը խառնուկային օպտիկական կլանման գործակիցների վրա գնդային քվանտային կետում)
    2017 | Article
    ԵՊՀ գիտական տեղեկագիր, Ֆիզիկա և մաթեմատիկա, 2017, հ. 51, #1, էջ 124–127
    |
    Պինդ մարմնի ֆիզիկայի լաբորատոր աշխատանքներ մաս I
    2016 | Book
    ԵՊՀ հրատ.: 2016թ․, 168 էջ, Հայաստան, Երևան
    V. Arzumanyan, K. Vardanyan, A. Asatryan , A. Vartanian
    Rashba and Dresselhaus spin-orbit coupling effects on the electronic structure of quantum wires under the influence of in-plane magnetic field
    2016 | Thesis
    4th International Symposium “Optics and its Applications”. 2016, p. 100
    Electric field effect on hot-electron energy-loss rate via LA-phonon scattering in a cylindrical quantum wire
    2016 | Thesis
    4th International Symposium “Optics and its Applications”. 2016. p. 89
    Influence of image charge effect on impurity-related optical absorption coefficient in a spherical quantum dot
    2016 | Thesis
    4th International Symposium “Optics and its Applications”. 2016, p. 121
    Image Charge and Electric Field Effects on Hydrogen-like Impurity-bound Polaron Energies and Oscillator Strengths in a Quantum Dot
    2016 | Article
    Journal of ELECTRONIC MATERIALS. 2016, 45. 11, 5847-5852 pp.
    Electric field and image charge effects on impurity-bound polarons in a CdS colloidal quantum dot embedded in organic matrices
    2016 | Article
    Physica B: Physics of Condensed Matter. 2016, 503, 70-74 pp.
    Պինդ մարմնի ֆիզիկայի խնդիրներ, Մաս I
    2015 | Book
    Ուս. ձեռնարկ: ԵՊՀ հրատ., 2015թ․, 154 էջ, Հայաստան, Երևան
    |
    Effect of image charges on the impurity-bound polaronic states in colloidal quantum dots embedded in different organic matrices
    2015 | Thesis
    International Symposium and Young Scientist School on Disordered and Ordered Materials Analysis and Characterization, 2015, p. 74-75
    Impurity-bound polaronic states under an external electric field in quantum dots: Image charge effect
    2015 | Thesis
    3rd International Symposium “Optics and its Applications”, 2015, p. 119
    The influence of electric field on the quasi-confined and interface polaron basic parameters in a wurtzite nitride quantum wire
    2015 | Article
    Journal of Physics: Conference Series 647, 012048, 4 pp. (2015). dx.doi.org
    The influence of electric field on the interface polaron properties in a wurtzite nitride nanowire
    2015 | Article
    Superlattices and Microstructures 77, 286-294 (2015). dx.doi.org/10.1016
    Polaronic effects due to quasi-confined optical phonons in wurtzite nitride nanowire in the presence of an electric field
    2015 | Article
    Superlattices and Microstructures 83, 588-594 (2015). dx.doi.org/10.1016
    Պինդ մարմնի ֆիզիկայի խնդիրներ. Մաս 1
    2015 | Book
    Երևան, ԵՊՀ հրատ., 2015թ., 154 էջ
    Influence of both electric and magnetic fields on the polaron properties in a finite-potential quantum well wire
    2013 | Article
    Physica E 47, 134-140, 2013. dx.doi.org/10.1016
    Phonon confinement effect on the polaron basic parameters in nanowires in the presence of external fields
    2012 | Article
    Journal of Physics: Conference Series, Volume 350, Issue 1, pp. 012022 (2012), 6 pp.. dx.doi.org
    Confined and interface polarons in cylindrical quantum wire in perpendicular magnetic and electric fields
    2011 | Article
    Proc. VIII Int. Conf. “Se-miconductor Micro and Nanoelectronics”, Yerevan, 2011, pp. 163-166
    Quantum capture of electrons and intra-dot relaxation by means of Auger processes in quantum dots
    2010 | Article
    Physica E, Volume 42, Issue 4, p. 878-880 (2010). dx.doi.org/10.1016
    Hot-electron energy-loss rate via LA-phonon scattering in InGaAs quantum wire
    2008 | Article
    Physica Status Solidi (B), vol. 245, issue 5, pp. 963-966 (2008). dx.doi.org/10.1002
    Hot-electron energy-loss rate via PO-phonon scattering in CdZnSe/ZnSe quantum wire
    2007 | Article
    Physica B, Volume 389, Issue 2, p. 258-262 (2007). dx.doi.org/10.1016
    Energy-loss rate of hot electrons via LA-phonon scattering in free standing quantum wire
    2007 | Article
    ԵՊՀպինդ մարմնի ‎ֆիզիկայի ամբիոնի հիմնադրման 50-ամյակին նվիրված գիտաժողովի նյութեր, Երևան, 2007թ., էջ 84-89
    Պինդ մարմնի ֆիզիկա
    2006 | Book
    Լաբորատոր աշխատանքներ, ԵՊՀ, Երևան, 2006թ., 102 էջ
    The energy-loss rate via polar-optical phonon scattering in quantum wires
    2005 | Article
    Physica E, v. 28, iss. 4, p. 545-551 (2005). dx.doi.org/10.1016
    Electron interaction with confined and interface polar optical phonons and electron mobility in quantum wires
    2003 | Article
    Physica E, Volume 16, Issue 2, p. 230-236 (2003). dx.doi.org/10.1016
    The polaronic shift of exciton binding energy in quantum dots with a degenerate valence band
    2002 | Article
    J. Phys.: Condens. Matter, Volume 14, Issue 48, pp. 13357-13365 (2002). iopscience.iop.org
    Scattering of electron by confined and interface PO-phonons in quantum wires
    1999 | Article
    J. Contemp. Phys. 34, No.2, 92-97 (1999)
    Magnetic susceptibility of size-quantized wire
    1998 | Article
    “Diamagnetic-paramagnetic” size transition in wires. J. Contemp. Phys. 33, No.2, 55-63 (1998)
    Confined and Interface Phonon-Induced Shift in Shallow Donor Binding Energy of Quantum Wires
    1998 | Article
    Physica Status Solidi (B), vol. 210, issue 2, pp. 711-715 (1998). dx.doi.org/10.1002
    Mobility Calculation of Quasi-Two-Dimensional Electron Gas by the Energy Loss Method
    1997 | Article
    Physica Status Solidi (B), vol. 203, Issue 1, pp.169-178 (1997). Phys. Stat. Sol. B 203, 169-178 (1997). dx.doi.org/10.1002
    Mobility calculation of quasi-two-dimensional charge carriers in semiconductor structures by energy loss method. 2. Scattering on surface roughnesses and alloy disorder of quantum well
    1995 | Article
    J. Contemp. Phys. 30, No.4, 149-155 (1995)
    Mobility calculation of quasi-two-dimensional charge carriers in semiconductor structures by energy loss method. 1. Scattering on charged impurities
    1994 | Article
    J. Contemp. Phys. 29, No.3, 101-109 (1994)