117 citations · 196 across the 8 of their papers we have counts for
8 papers
Enhancement of Rashba spin-orbit coupling by electron-electron interaction
R. Farghadan, A. Sehat
We studied how the electron-electron (e-e) interaction enhances the strength of the Rashba spin-orbit coupling (RSOC) and opens the possibility of generating a spin-polarized outpu…
Giant Magnetoresistance in Bilayer Graphene Nanoflakes
R. Farghadan, M. Farekiyan
Coherent spin transport through bilayer graphene (BLG) nanoflakes sandwiched between two electrodes made of single-layer zigzag graphene nanoribbon was investigated by means of Lan…
Magnetism and Spin Transport of Carbon Chain between Armchair Graphene Nanoribbon electrodes
R. Farghadan, M. Yoosefi
The magnetic and spin transport properties of a carbon chain between two armchair graphene nanoribbon (AGNR) electrodes were studied using tight-binding Hamiltonian, mean-field Hub…
Generation of fully spin-polarized currents in three-terminal graphene-based transistors
Rouhollah Farghadan, Alireza Saffarzadeh
We propose three-terminal spin devices with graphene nanoribbons (terminals) and a graphene flake (channel) to generate a highly spin-polarized current without an external magnetic…
Electric field control of spin-resolved edge states in graphene quantum nanorings
R. Farghadan, A. Saffarzadeh
The electric-field effect on the electronic and magnetic properties of triangular and hexagonal graphene quantum rings with zigzag edge termination is investigated by means of the…
Magnetic edge states in Aharonov-Bohm graphene quantum rings
R. Farghadan, A. Saffarzadeh, E. Heidari Semiromi
The effect of electron-electron interaction on the electronic structure of Aharonov-Bohm (AB) graphene quantum rings (GQRs) is explored theoretically using the single-band tight-bi…
A spin-filter device based on armchair graphene nanoribbons
A. Saffarzadeh, R. Farghadan
The coherent spin-polarized electron transport through a zigzag-edge graphene flake (ZGF), sandwiched between two semi-infinite armchair graphene nanoribbons, is investigated by me…
The effect of vacancy-induced magnetism on electronic transport in armchair carbon nanotubes
R. Farghadan, A. Saffarzadeh
The influence of local magnetic moment formation around three kinds of vacancies on the electron conduction through metallic single-wall carbon nanotubes is studied by use of the L…