Anna L. Asatryan
Biography
Education
1994-1999 Chair of Solid State Physics, Yerevan State University,
PhD in Physics, Thesis title: “Theo¬retical 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, Master’s Degree with Honor Diploma.

Professional Experience
2008-present Associate Professor, Chair of Solid State Physics, Yerevan State University
2020- present Supervisor, Theoretical Research Group on Theoretical Investigation of Exciton Formation and Recombination Assisted by Phonons in Colloidal Quantum Dots with InP Core (20TTWS-1C014)
2019- present Senior Researcher, Research Laboratory of Solid State Physics, YSU
2021-present Researcher, Theoretical Research Group on The Control of Hot-Carrier Dynamics in Graphene by External Fields and by Choosing of Polar Substrates. The Improvement and Practical Implementation of the Graphene-Based Hot-Carrier Transistor Model (21AG-1C048)
2018-2020 Researcher, Theoretical Research on Gate Control of Phonon-Mediated Spin Relaxation in Graphene on Various Substrates: The Role of Substrate-Induced Spin-Orbit Interaction (18T-1C247)
2015-2017 Researcher, Theoretical Research on Phonon-Mediated Decoherence Control of Spin and Charge States in Single and Double Quantum Dots Embedded in Phonon Cavity (15T-1C363)
2013-2015 Researcher, Theoretical Research on Spin Transitions Induced by Electron-Phonon Interaction and Raman Scattering in Graphene and Silicon Quantum Dots (13-1C196)
2001-2008 Assistant Professor, Chair of Solid State Physics, Yerevan State University
2004-2009 Researcher, Armenian State Program “Semiconductor Nanoelectronics”
1992-2010 Researcher, Research Group on Theoretical Investigation of Kinetic and Optical Properties of Nanostructures, Yerevan State University
1992-2001 Senior Laboratory Assistant, Chair 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 Twenty 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
Phonons in Inhomogeneous Solid-State Structures

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)
18th International Conference on II-VI Compounds and Related Materials (II-IV 2017), San Juan, Puerto Rico (24-29 September, 2017)
International Young Scientist School and Workshop “Advanced Nanomaterials and Methods” (ANAM’2019), Yerevan, Armenia (25 September-2 October, 2019)

annaa@ysu.am

Anna L. Asatryan

Associate Professor | Faculty of Physics - Chair of Solid States
 
 

Book

Ալբերտ Կիրակոսյան, Արշակ Վարդանյան, Աննա Ասատրյան, Արամ Մանասելյան, Գառնիկ Վերմիշյան

Պինդ մարմնի ֆիզիկայի լաբորատոր աշխատանքներ մաս I | ԵՊՀ հրատ.: 2016թ․, 168 էջ

Ա. Ա. Կիրակոսյան, Ա. Լ. Վարդանյան, Ա. Լ. Ասատրյան

Պինդ մարմնի ֆիզիկայի խնդիրներ, Մաս I | Ուս. ձեռնարկ: ԵՊՀ հրատ., 2015թ․, 154 էջ |

Ա. Ա. Կիրակոսյան, Ա. Լ. Վարդանյան, Ա .Լ. Ասատրյան

Պինդ մարմնի ֆիզիկայի խնդիրներ. Մաս 1 | Երևան, ԵՊՀ հրատ., 2015թ., 154 էջ

Ա. Ա. Կիրակոսյան, Ա. Լ. Վարդանյան, Ա. Լ. Ասատրյան, Մ. Մ. Առաքելյան, Գ. Ա. Վերմիշյան

Պինդ մարմնի ֆիզիկա | Լաբորատոր աշխատանքներ, ԵՊՀ, Երևան, 2006թ., 102 էջ
 

Article

A. Asatryan, A. Movsisyan, A. Vartanian

External electric and magnetic field effects on the polaron in a wurtzite nitride nanowire embedded in a nonpolar matrix | European Physical Journal B, 2021, N 94 (3), 70/8

A.L. Vartanian, A.L. Asatryan, L.A. Vardanyan

Influence of image charges on the impurity-related optical properties of near-surface quantum wells under a transverse electric field | Physica E: Low-dimensional Systems and Nanostructures, 2019, 113, 115-120 էջ

A.L. Vartanian, A.L. Asatryan, A.A. Kirakosyan, K.A. Vardanyan

Influence of image charge effect on the binding energy of hydrogen-like donor impurity in a near-surface quantum well under transverse electric field | Physica E: Low-dimensional Systems and Nanostructures, 2019, 106, 1-4 էջ

A. Stepanyan, A. Asatryan, M. Yeranosyan, K. Vardanyan, A. Kirakosyan, A. Vartanian

Energy loss rate of hot electrons due to polar-optical phonon modes in a semiconductor nanowire under transverse electric field | Physica B-Condensed Matter, 2018, 550, 340-346 էջ

A.Asatryan, A.Stepanyan, M.Yeranosyan, A.Kirakosyan, A.Vartanian

The influence of the transverse electric field on the hot electron energy loss rate via polar-optical phonons in nanowires | International Conference on Microwave & THz Technologies and Wireless Communications (IRPhE’2018), El-P-3

A. L. Vartanian, A. L. Asatryan, L. A. Vardanyan

Polaron and dielectric mismatch effects on impurity-related optical absorption and refractive index changes in a spherical quantum dot | Superlattices and Microstructures, 2018, 113, 442-458 pp.

A. Vartanian, A. Asatryan, L. Vardanyan

Impurity-Bound Polaronic States in ZnSe Quantum Dots Under Electric Field: Image Charge Effect | JOURNAL OF ELECTRONIC MATERIALS, 2018, Vol. 47, Issue 8, 4303-4307 pp.

A. L. Vartanian, A. L. Asatryan, L. A. Vardanyan

Influence of image charge effect on impurity-related optical absorption coefficients and refractive index changes in a spherical quantum dot | Superlattices and Microstructures. 2017, 103, pp. 205-212

A. Stepanyan, M. Yeranosyan, L. Vardanyan, A. Asatryan, A. Kirakosyan, A. Vartanian

Energy-loss rate of hot electrons due to confined acoustic phonon modes in a semiconductor quantum wire under transverse electric field | 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) | ԵՊՀ գիտական տեղեկագիր, Ֆիզիկա և մաթեմատիկա, 2017, հ. 51, #1, էջ 124–127 |

L. A. Vardanyan, A. L. Vartanian, A. L. Asatryan, A. A. Kirakosyan

Image Charge and Electric Field Effects on Hydrogen-like Impurity-bound Polaron Energies and Oscillator Strengths in a Quantum Dot | Journal of ELECTRONIC MATERIALS. 2016, 45. 11, 5847-5852 pp.

A. L. Asatryan, A. L. Vartanian, A. A. Kirakosyan, L. A. Vardanyan

Electric field and image charge effects on impurity-bound polarons in a CdS colloidal quantum dot embedded in organic matrices | Physica B: Physics of Condensed Matter. 2016, 503, 70-74 pp.

A. L. Asatryan, K. A. Vardanyan, A. L. Vartanian, A. A. Kirakosyan

The influence of electric field on the quasi-confined and interface polaron basic parameters in a wurtzite nitride quantum wire | Journal of Physics: Conference Series 647, 012048, 4 pp. (2015). dx.doi.org

A. L. Asatryan, K. A. Vardanyan, A. L. Vartanian

The influence of electric field on the interface polaron properties in a wurtzite nitride nanowire | Superlattices and Microstructures 77, 286-294 (2015). dx.doi.org/10.1016

K. A.Vardanyan, A. L. Asatryan, A. L. Vartanian

Polaronic effects due to quasi-confined optical phonons in wurtzite nitride nanowire in the presence of an electric field | Superlattices and Microstructures 83, 588-594 (2015). dx.doi.org/10.1016

L.A.Vartanian, A.L.Asatryan

Influence of both electric and magnetic fields on the polaron properties in a finite-potential quantum well wire | Physica E 47, 134-140, 2013. dx.doi.org/10.1016

L.A. Vartanian, A.L.Asatryan, V.Y.Arzumanyan

Phonon confinement effect on the polaron basic parameters in nanowires in the presence of external fields | Journal of Physics: Conference Series, Volume 350, Issue 1, pp. 012022 (2012), 6 pp.. dx.doi.org

L.A. Vartanian, A.L.Asatryan, V.Y.Arzumanyan

Confined and interface polarons in cylindrical quantum wire in perpendicular magnetic and electric fields | Proc. VIII Int. Conf. “Se-miconductor Micro and Nanoelectronics”, Yerevan, 2011, pp. 163-166

A.L.Vartanian, A.L.Asatryan, K.A.Vardanyan, A.A.Kirakosyan

Quantum capture of electrons and intra-dot relaxation by means of Auger processes in quantum dots | Physica E, Volume 42, Issue 4, p. 878-880 (2010). dx.doi.org/10.1016

Vartanian, A. L., A. L. Asatryan, A. A. Kirakosyan

Hot-electron energy-loss rate via LA-phonon scattering in InGaAs quantum wire | Physica Status Solidi (B), vol. 245, issue 5, pp. 963-966 (2008). dx.doi.org/10.1002

Vartanian A. L., Asatryan A. L., Kirakosyan A. A.

Hot-electron energy-loss rate via PO-phonon scattering in CdZnSe/ZnSe quantum wire | Physica B, Volume 389, Issue 2, p. 258-262 (2007). dx.doi.org/10.1016

A.L.Vartanian, A.L.Asatryan, A.A.Kirakosyan

Energy-loss rate of hot electrons via LA-phonon scattering in free standing quantum wire | ԵՊՀպինդ մարմնի ‎ֆիզիկայի ամբիոնի հիմնադրման 50-ամյակին նվիրված գիտաժողովի նյութեր, Երևան, 2007թ., էջ 84-89

Vartanian A. L., Asatryan A. L., Kirakosyan A. A.

The energy-loss rate via polar-optical phonon scattering in quantum wires | Physica E, v. 28, iss. 4, p. 545-551 (2005). dx.doi.org/10.1016

Vartanian A. L., Asatryan A. L., Kirakosyan A. A.

Electron interaction with confined and interface polar optical phonons and electron mobility in quantum wires | Physica E, Volume 16, Issue 2, p. 230-236 (2003). dx.doi.org/10.1016

Vartanian A. L., Asatryan A. L., Kirakosyan A. A.

The polaronic shift of exciton binding energy in quantum dots with a degenerate valence band | J. Phys.: Condens. Matter, Volume 14, Issue 48, pp. 13357-13365 (2002). iopscience.iop.org

A. L. Asatrian

Scattering of electron by confined and interface PO-phonons in quantum wires | J. Contemp. Phys. 34, No.2, 92-97 (1999)

A. A. Kirakosian, M. Gh. Ghoumashian, A. L. Asatrian

Magnetic susceptibility of size-quantized wire | “Diamagnetic-paramagnetic” size transition in wires. J. Contemp. Phys. 33, No.2, 55-63 (1998)

Vartanian A. L., Asatrian A. L.

Confined and Interface Phonon-Induced Shift in Shallow Donor Binding Energy of Quantum Wires | Physica Status Solidi (B), vol. 210, issue 2, pp. 711-715 (1998). dx.doi.org/10.1002

Asatrian A. L., Vartanian A. L., Kirakosian A. A.

Mobility Calculation of Quasi-Two-Dimensional Electron Gas by the Energy Loss Method | 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

A. L. Asatrian, A. L. Vartanian, A. A. Kirakosian

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 | J. Contemp. Phys. 30, No.4, 149-155 (1995)

A. L. Asatrian, A. L. Vartanian, A. A. Kirakosian

Mobility calculation of quasi-two-dimensional charge carriers in semiconductor structures by energy loss method. 1. Scattering on charged impurities | J. Contemp. Phys. 29, No.3, 101-109 (1994)
 

Thesis

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 | 4th International Symposium “Optics and its Applications”. 2016, p. 100

A. Stepanyan, L. Vardanyan, A. Asatryan, A. Vartanian, A. Kirakosyan

Electric field effect on hot-electron energy-loss rate via LA-phonon scattering in a cylindrical quantum wire | 4th International Symposium “Optics and its Applications”. 2016. p. 89

A. Mkhitaryan, L. Vardanyan, A. Asatryan, A. Vartanian

Influence of image charge effect on impurity-related optical absorption coefficient in a spherical quantum dot | 4th International Symposium “Optics and its Applications”. 2016, p. 121

A. L. Vartanian, A. L. Asatryan, L. A. Vardanyan, A. A. Kirakosyan

Effect of image charges on the impurity-bound polaronic states in colloidal quantum dots embedded in different organic matrices | International Symposium and Young Scientist School on Disordered and Ordered Materials Analysis and Characterization, 2015, p. 74-75

Lyudvig Vardanyan, Arshak Vartanian, Anna Asatryan

Impurity-bound polaronic states under an external electric field in quantum dots: Image charge effect | 3rd International Symposium “Optics and its Applications”, 2015, p. 119