Anisotropic effects in two-dimensional materials

AN Rudenko, MI Katsnelson - 2D Materials, 2024 - iopscience.iop.org
Among a huge variety of known two-dimensional materials, some of them have anisotropic
crystal structures; examples include so different systems as a few-layer black phosphorus …

Coulomb interactions and screening effects in few-layer black phosphorus: a tight-binding consideration beyond the long-wavelength limit

DA Prishchenko, VG Mazurenko, MI Katsnelson… - 2D …, 2017 - iopscience.iop.org
Coulomb interaction and its screening play an important role in many physical phenomena
of materials ranging from optical properties to many-body effects including …

Anisotropic features in the electronic structure of the two-dimensional transition metal trichalcogenide TiS3: electron doping and plasmons

JA Silva-Guillén, E Canadell, P Ordejón, F Guinea… - 2D …, 2017 - iopscience.iop.org
Abstract Analysis of the band structure of TiS 3 single-layers suggests the possibility of
changing their physical behaviour by injecting electron carriers. The anisotropy of the …

Strong anisotropic optical conductivity in two-dimensional puckered structures: The role of the Rashba effect

S Saberi-Pouya, T Vazifehshenas, T Salavati-Fard… - Physical Review B, 2017 - APS
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 effect …

High-temperature electron-hole superfluidity with strong anisotropic gaps in double phosphorene monolayers

S Saberi-Pouya, M Zarenia, A Perali, T Vazifehshenas… - Physical Review B, 2018 - APS
Excitonic superfluidity in double phosphorene monolayers is investigated using the BCS
mean-field equations. Highly anisotropic superfluidity is predicted where we found that the …

A theoretical study of collective plasmonic excitations in double-layer silicene at finite temperature

N Dadkhah, T Vazifehshenas, M Farmanbar… - Journal of Applied …, 2019 - pubs.aip.org
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 …

Anisotropic hybrid excitation modes in monolayer and double-layer phosphorene on polar substrates

S Saberi-Pouya, T Vazifehshenas, T Salavati-Fard… - Physical Review B, 2017 - APS
We investigate the anisotropic hybrid surface optical (SO) phonon-plasmon dispersion
relations in monolayer and double-layer phosphorene systems located on the polar …

Dynamic polarization, quantum spectral function and effective mass for black phosphorous: Random phase approximation approach at finite temperature

E Rostampour, B Ghavami, SA Herrera… - Solid State …, 2024 - Elsevier
In this work, the finite-temperature dynamic polarization function of black phosphorus is
obtained using the random phase approximation (RPA) for the lower band of the …

[HTML][HTML] Effect of quasiparticle excitations and exchange-correlation in Coulomb drag in graphene

R Fandan, J Pedrós, F Guinea, A Boscá… - Communications …, 2019 - nature.com
Coulomb drag in double layer graphene systems separated by an h-BN interlayer allows
probing of the electron-electron interactions in the effective limit of zero layer separation …

Plasmon modes in monolayer and double-layer black phosphorus under applied uniaxial strain

S Saberi-Pouya, T Vazifehshenas, M Saleh… - Journal of Applied …, 2018 - pubs.aip.org
We study the effects of an applied in-plane uniaxial strain on the plasmon dispersions of
monolayer, bilayer, and double-layer black phosphorus structures in the long-wavelength …