743 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Yerevan State UniversityAM14 papers
- Institute for Informatics and Automation ProblemsAM5 papers
- Russian-Armenian UniversityAM4 papers
- A. Alikhanyan National LaboratoryAM3 papers
- Belgorod National Research UniversityRU2 papers
- Centre National de la Recherche ScientifiqueFR2 papers
- École PolytechniqueFR2 papers
- European Organization for Nuclear ResearchCH2 papers
- Heidelberg UniversityDE2 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di TorinoIT2 papers
- Lyon 1 UniversitéFR2 papers
28 papers
Vapor phase growth and characterization of van der Waals BiSbTeSe platelets on semiconducting MoS2
M. Zhezhu, V. Torosyan, V. Mehrabyan +1
Three dimensional topological insulators of the tetradymite family, such as BiSbTeSe (BSTS), are attractive for spintronic and quantum device applications because of their compensa…
Photoresponse properties of single-crystalline thick film based on high-entropy topological insulator (Bi3/4Sb1/4)2(Te2/5Se2/5S1/5)3
Alexei Vasilev, Marina Zhezhu, Oleg Ivanov
High-entropy topological insulator (Bi3/4Sb1/4)2(Te2/5Se2/5S1/5)3 has been for the first time prepared by self-propagating high-temperature synthesis and melting methods. Single-cr…
Charge Transport Modeling of CdSe/ZnS core/shell Quantum Nanorod Light-Emitting Diodes
A. G. Melkonyan, G. A. Mantashian, D. B. Hayrapetyan
In this study, we investigate the electronic structure, charge transport dynamics, and optical properties of a quantum dot light-emitting diode (QD-LED) featuring a double nanorod…
Polyvinylpyrrolidone planarized liquid crystalline 1T-WS2/rGO hybrid nanocomposites-based humidity sensing platform
A. Vasilev, M. Zhezhu, S. Gyozalyan +7
Two-dimensional hybrid nanocomposites combining graphene-like materials and transition metal dichalcogenides (TMDCs) are created using various synthesis methods and are vital for e…
Enhancement of mechanical properties of graphene oxide fibers via liquid crystalline phase formation and flake size optimization
M. Zhezhu, G. Baghdasaryan, G. Gevorgyan +4
Graphene oxide (GO) fibers are promising materials for lightweight, high-strength applications due to their unique structural tunability and mechanical performance. However, the pr…
Bounded oscillation operators on BMO spaces
Grigori A. Karagulyan
Bounded Oscillation (BO) operators were recently introduced in the author's paper [13], where it was proved that many operators in harmonic analysis (Calderón-Zygmund operators, Ca…
Electric-field driven flat bands in the distorted sawtooth chain via the Katsura-Nagaosa-Balatsky mechanism
Vadim Ohanyan, Lusik Amiraghyan, Michael Sekania +1
We investigate flat magnonic bands in a generalized sawtooth-chain model in which three sets of exchange parameters (symmetric Heisenberg exchange, axial Ising anisotropy, and anti…
Voxel-scale quantum state control in nanorod ensembles using reconfigurable needle beams
G. A. Mantashian, D. B. Hayrapetyan, P. A. Mantashyan
Precisely addressing single nanostructures inside dense ensembles remains a bottleneck for scalable photonic and quantum information devices. Here we demonstrate, through comprehen…
Vacuum currents in elliptic pseudosphere tubes
A. A. Saharian, G. V. Mirzoyan
We examine the effects of spatial topology, curvature, and magnetic flux on the vacuum expectation value (VEV) of the current density for a charged scalar field in (2+1)-dimensiona…
Revisiting THz absorption in GO and rGO liquid crystalline films
A. Vasilev, M. Zhezhu, H. Parsamyan +4
With a swift progress in modern high-throughput communication systems, security, sensing and medicine utilizing THz range technologies, the demand for easy-to-fabricate, lightweigh…
Chemical vapor deposition synthesis of (GeTe)n(Sb2Te3) gradient crystalline films as promising planar heterostructures
M. Zhezhu, A. Vasil'ev, M. Yapryntsev +3
Phase-change materials of the (GeTe)n (Sb2Te3) (GST) system are of high relevance in memory storage and energy conversion applications due to their fast-switching speed, high data…
Dual Effect of L-Cysteine on the Reorientation and Relaxation of Fe3O4-Decorated Graphene Oxide Liquid Crystals
M. Zhezhu, Y. Melikyan, V. Hayrapetyan +2
Here, we study the dynamics of Fe3O4-decorated L-Cysteine-functionalized GOLC director under an external magnetic field and analyze L-Cysteine's influence on the reorientation and…
Maximal operators on spaces BMO and BLO
Grigori A. Karagulyan
We consider maximal kernel-operators on abstract measure spaces equipped with a ball-basis. We prove that under certain asymptotic condition on the kernels those operators…
Quantum Dot Behaviour under the Influence of Non-Resonant Structured Laser Beams
T. A. Sargsian, P. A. Mantashyan, D. B. Hayrapetyan
The study investigates and compares the impact of intense, non-diffractive, non-resonant structured laser beams with various intensity profiles on the properties of InAs/GaAs cylin…
Improving the Electro-Optical Properties of MoS/rGO Hybrid Nanocomposites Using Liquid Crystals
A. Vasilev, Y. Melikyan, M. Zhezhu +5
Hybrid systems of two-dimensional (2D) materials (such as graphene-family materials and 2D transition metal dichalcogenides) are attracting much attention due to their distinctive…
The Role of Geometry in Tailoring the Linear and Nonlinear Optical Properties of Semiconductor Quantum Dots
Grigor A. Mantashian
The paper aims to reveal the relationship between the geometrical features and linear and nonlinear optical properties of InAs quantum dots (QDs). This problem is justified by the…
E-Beam Induced Micropattern Generation and Amorphization of L-Cysteine-Functionalized Graphene Oxide Nano-composites
Y. Melikyan, H. Gharagulyan, A. Vasilev +8
The evolution of dynamic processes in graphene-family materials are of great interest for both scientific purposes and technical applications. Scanning electron microscopy and tran…
Essential L-Amino Acid-Functionalized Graphene Oxide for Liquid Crystalline Phase Formation
H. Gharagulyan, Y. Melikyan, V. Hayrapetyan +3
The colloidal 2D materials based on graphene and its modifications are of great interest when it comes to forming LC phases. These LC phases allow controlling the orientational ord…
Broadband tunable mid-infrared absorber based on conductive strip-like meta-atom elements
Henrik Parsamyan, Hovhannes Haroyan, Khachatur Nerkararyan
A metamaterial composed of thin metallic strips as an efficient broadband absorber in the mid-infrared spectrum is investigated. Here the matching between dielectric and geometrica…
Analysis of bistability at the coupling between waveguide and whispering gallery modes of a nonlinear hemicylinder
Henrik Parsamyan, Khachik Sahakyan, Khachatur Nerkararyan
The optical bistability caused by the coupling between modes of the parallel-plate waveguide and a nonlinear hemicylindrical crystal is studied using theoretical and numerical anal…
Quantum Vacuum: The Structure of Empty Space-Time and Quintessence with Gauge Symmetry Group
Ashot S. Gevorkyan
We consider the formation of structured and massless particles with spin 1, by using the Yang-Mills like stochastic equations system for the group symmetry with…
Quantum Vacuum and the Structure of "Empty" Space-Time
Ashot Gevorkyan
We have considered the possibility of formation a massless particles with spin 1 in the region of negative energies, within the framework of the Weyl type equation for neutrinos. I…
Fundamental irreversibility of the classical three-body problem. New approaches and ideas in the study of dynamical systems
A. S. Gevorkyan
The three-body general problem is formulated as a problem of geodesic trajectories flows on the Riemannian manifold. It is proved that a curved space with local coordinate system a…
Precision study of the and electromagnetic transition form-factors and of the line shape in NA60
NA60 Collaboration
The NA60 experiment studied low-mass muon pair production in proton-nucleus (p-A) collisions using a 400~GeV proton beam at the CERN SPS. The low-mass dimuon spectrum is well descr…