27 citations · 172 across the 14 of their papers we have counts for
14 papers
Tuning electronic properties and contact type in van der Waals heterostructures of bilayer SnS and graphene
M. R. Ebrahimi, T. Vazifehshenas
Using first-principles calculations, we study the structural and electronic properties of the bilayer SnS/graphene, bilayer SnS/bilayer graphene (AA-stacked), bilayer SnS/bilayer g…
Coulomb drag in metal monochalcogenides double-layer structures with Mexican-hat band dispersions
S. Rostami, T. Vazifehshenas, T. Salavati-fard
We theoretically study the Coulomb drag resistivity and plasmon modes behavior for a system composed of two parallel p-type doped GaS monolayers with Mexican-hat valence energy ban…
Strong anisotropic optical properties of 8-Pmmn borophene: a many-body perturbation study
N. Deily Nazar, T. Vazifehshenas, M. R. Ebrahimi +1
Using first-principle many-body perturbation theory, we investigate the optical properties of 8- borophene at two levels of approximations; the GW method considering only the elect…
Collective plasmonic excitations in double-layer silicene at finite temperature
N. Dadkhah, T. Vazifehshenas, M. Farmanbar +1
We explore the temperature-dependent plasmonic modes of an n-doped double-layer silicene system which is composed of two spatially separated single layers of silicene with a distan…
Anisotropic charge density wave in electron-hole double monolayers: Applied to phosphorene
S. Saberi-Pouya, M. Zarenia, T. Vazifehshenas +1
The possibility of an inhomogeneous charge density wave phase is investigated in a system of two coupled electron and hole monolayers separated by a hexagonal boron nitride insulat…
Plasmon-phonon coupling in a valley-spin-polarized two-dimensional electron system: a theoretical study on monolayer silicene
M. Mirzaei, T. Vazifehshenas, T. Salavati-fard +2
We study the hybrid excitations due to the coupling between surface optical phonons of a polar insulator substrate and plasmons in the valley-spin-polarized metal phase of silicene…
High temperature electron-hole superfluidity with strong anisotropic gaps in double phosphorene monolayers
S. Saberi-Pouya, M. Zarenia, A. Perali +2
Excitonic superfluidity in double phosphorene monolayers is investigated using the BCS mean-field equations. Highly anisotropic superfluidity is predicted where we found that the m…
Phononic thermal conductivity in silicene: the role of vacancy defects and boundary scattering
M. Barati, T. Vazifehshenas, T. Salavati-fard +1
We calculate the thermal conductivity of free-standing silicene using the phonon Boltzmann transport equation within the relaxation time approximation. In this calculation, we inve…
Plasmon modes in monolayer and double-layer black phosphorus under applied uniaxial strain
S. Saberi-Pouya, T. Vazifehshenas, M. Saleh +2
We study the effects of an applied in-plane uniaxial strain on the plasmon dispersions of monolayer, bilayer and double-layer phosphorene structures in the long-wavelength limit wi…
Anisotropic hybrid excitation modes in monolayer and double-layer phosphorene on polar substrates
S. Saberi-Pouya, T. Vazifehshenas, T. Salavati-fard +1
We investigate the anisotropic hybrid plasmon-SO phonon dispersion relations in monolayer and double-layer phosphorene systems located on the polar substrates, such as SiO2, h-BN a…
Strong anisotropic optical conductivity in two dimensional puckered structures: The role of Rashba effect
S. Saberi-Pouya, T. Vazifehshenas, T. Salavati-fard +2
We calculate the optical conductivity of an anisotropic two-dimensional system with Rashba spin-flip excitation within the Kubo formalism. We show that the anisotropic Rashba effec…
Coulomb drag in anisotropic systems: a theoretical study on a double-layer phosphorene
S. Saberi-Pouya, T. Vazifehshenas, M. Farmanbar +1
We theoretically study the Coulomb drag resistivity in a double-layer electron system with highly anisotropic parabolic band structure using Boltzmann transport theory. As an examp…
Geometrical Asymmetry Effect on Energy and Momentum Transfer Rates in a Double-quantum-well Structure: Linear Regime
T. Vazifehshenas, T. Salavati-fard
We investigate theoretically the effect of spatial asymmetry on the energy and momentum transfer rates in a double-quantum-well system using balance equation approach. Our study is…
Energy Transfer Rate in Double-Layer Graphene Systems: Linear Regime
B. Bahrami, T. Vazifehshenas
We investigate theoretically the energy transfer phenomenon in a double-layer graphene (DLG) system in which two layers are coupled due to the Coulomb interlayer interaction withou…