Tunable band gap and enhanced thermoelectric performance of tetragonal Germanene under bias voltage and chemical doping

R Chegel - Scientific Reports, 2023 - nature.com
This paper employs the tight-binding model to investigate the thermal properties of
tetragonal Germanene (T-Ge) affected by external fields and doping. T-Ge is a two …

Tunable electronic, optical, and thermal properties of two-dimensional germanene via an external electric field

R Chegel, S Behzad - Scientific Reports, 2020 - nature.com
In this paper, we present a tight-binding model based on DFT calculations for investigation
the electronic and optical properties of monolayer Germanene. The thermal properties are …

Effect of external magnetic field and doping on electronic and thermodynamic properties of planer and buckled silicene monolayer

M Abdi, E Norian, B Astinchap - Scientific Reports, 2022 - nature.com
In this research, the electronic and thermodynamic properties of the planer and buckled
silicene monolayer under an external magnetic field and doping using the tight-binding (TB) …

Significant modification of the electronic structure of biased trilayer SiC and BN via magnetic field to achieve enhanced thermoelectric performance

R Chegel - Materials Science and Engineering: B, 2023 - Elsevier
The two-dimensional semiconducting materials with tunable electronic structure and high
thermoelectric properties have a wide range of applications, especially in nanoscale …

First principles study on optoelectronic properties of energetically stable Si/InS van der Waals heterobilayers

R Caglayan, Y Mogulkoc, A Mogulkoc… - Journal of Materials …, 2020 - Springer
The combination of van der Waals heterostructures by stacking different kinds of two-
dimensional structures is an effective method to design optoelectronic devices. In this work …

Biaxial Strain-Induced Electronic Structure and Optical Properties of SiPS Monolayer

C Tayran, R Caglayan, Y Mogulkoc, M Cakmak… - Journal of Electronic …, 2021 - Springer
The electronic and optical properties of a two-dimensional (2D) pristine SiP 2 S monolayer
under biaxial strain effect are investigated by means of density functional theory. Firstly, we …

Molecular dynamic simulations of the heat transfer in double-layered graphene/silicene nanosheets

H Pourmirzaagha, S Rouhi - Physica B: Condensed Matter, 2023 - Elsevier
Using molecular dynamics simulations, the heat transfer characteristics of the double-
layered graphene/silicene nanosheets are investigated. Fourier's heat transfer equation is …

Temperature-and frequency-dependent optical and transport conductivities in doped buckled honeycomb lattices

A Iurov, G Gumbs, D Huang - Physical Review B, 2018 - APS
Thermal and dynamical properties of optical and transport conductivities in doped buckled
honeycomb lattices are studied for various doping densities and band gaps. At finite …

Engineering thermal and electrical properties of B/N doped carbon nanotubes: Tight binding approximation

S Behzad, R Chegel - Journal of Alloys and Compounds, 2019 - Elsevier
Using the tight-binding method based on density functional theory (DFT) calculations, the
thermoelectric properties of pure and B/N doped carbon nanotubes (CNTs) are investigated …

Controlling the thermoelectric behaviors of biased silicene via the magnetic field: Tight binding model

R Chegel, S Behzad - Physica E: Low-dimensional Systems and …, 2022 - Elsevier
An accurate third nearest neighbor tight-binding model with overlap parameters is employed
to compute the electronic and thermo-electrical properties of monolayer Silicene in the …