Tuning phononic and electronic contributions of thermoelectric in defected S-shape graphene nanoribbons

MA Bazrafshan, F Khoeini - Scientific Reports, 2022 - nature.com
Thermoelectrics as a way to use waste heat, is essential in electronic industries, but its low
performance at operational temperatures makes it inappropriate in practical applications …

[HTML][HTML] Electronic and thermodynamic properties of zigzag MoS2/MoSe2 and MoS2/WSe2 hybrid nanoribbons: Impacts of electric and exchange fields

M Abdi, B Astinchap, F Khoeini - Results in Physics, 2022 - Elsevier
Using the tight-binding approach and non-equilibrium Green's function method, we
investigate the electronic band structure, total electronic heat capacity (EHC), and Pauli spin …

Vacancy tuned thermoelectric properties and high spin filtering performance in graphene/silicene heterostructures

Z Gholami, F Khoeini - Scientific Reports, 2021 - nature.com
The main contribution of this paper is to study the spin caloritronic effects in defected
graphene/silicene nanoribbon (GSNR) junctions. Each step-like GSNR is subjected to the …

Heat transfer in strained twin graphene: A non-equilibrium molecular dynamics simulation

F Rezaee, F Yousefi, F Khoeini - Physica A: Statistical Mechanics and its …, 2021 - Elsevier
In this work, we study the thermal energy transport properties of twin graphene, which has
been introduced recently as a new two-dimensional carbon nanostructure. The thermal …

Pure thermal spin current and perfect spin-filtering with negative differential thermoelectric resistance induced by proximity effect in graphene/silicene junctions

Z Gholami, F Khoeini - Scientific Reports, 2021 - nature.com
The spin-dependent Seebeck effect (SDSE) and thermal spin-filtering effect (SFE) are now
considered as the essential aspects of the spin caloritronics, which can efficiently explore …

Thermal rectification and interfacial thermal resistance in hybrid pillared-graphene and graphene: a molecular dynamics and continuum approach

F Yousefi, F Khoeini, A Rajabpour - Nanotechnology, 2020 - iopscience.iop.org
We investigate thermal rectification and thermal resistance in a hybrid pillared-graphene
and graphene (PGG) system by both molecular dynamics (MD) simulation and a continuum …

Highly tunable charge and spin transport in silicene junctions: phase transitions and half-metallic states

M Mahdavifar, F Khoeini - Nanotechnology, 2018 - iopscience.iop.org
We report peculiar charge and spin transport properties in S-shaped silicene junctions with
the Kane–Mele tight-binding model. In this work, we investigate the effects of electric and …

Tunable electronic properties and electric-field-induced phase transition in phosphorene/graphene heterostructures

M Mahdavifar, S Shekarforoush… - Journal of Physics D …, 2020 - iopscience.iop.org
The shortcomings of mono-component systems eg the gapless nature of graphene, the lack
of air-stability in phosphorene, etc, have drawn great attention toward stacked materials that …

Band engineering of phosphorene/graphene van der Waals nanoribbons toward high-efficiency thermoelectric devices

M Mahdavifar, F Khoeini, FM Peeters - Physical Review B, 2024 - APS
Vertical integration of dissimilar layered materials in a so-called van der Waals (vdW)
heterostructure (HS) has emerged as a useful tool to engineer band alignments and …

[HTML][HTML] Highly tunable charge transport in defective graphene nanoribbons under external local forces and constraints: A hybrid computational study

I Ahmadi, F Khoeini - Results in Physics, 2021 - Elsevier
In this paper, we propose a combined modeling of molecular mechanics (MM) and the tight-
binding (TB) approach, which enables us to study the effect of factors such as external local …