Interplay between effects of barrier tilting and scatterers within a barrier on tunneling transport of Dirac electrons in graphene

F Anwar, A Iurov, D Huang, G Gumbs, A Sharma - Physical Review B, 2020 - APS
Dirac-electronic tunneling and transport properties with both finite and zero energy band
gap are investigated for graphene with an in-plane tilted potential barrier embedded with …

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 do** densities and band gaps. At finite …

Phonon limited transport in graphene nanoribbon field effect transistors using full three dimensional quantum mechanical simulation

ND Akhavan, G Jolley, GA Umana-Membreno… - Journal of Applied …, 2012 - pubs.aip.org
This paper present a study of carrier transport in graphene nanoribbon (GNR) transistors
using three-dimensional quantum mechanical simulations based on a real-space approach …

Oscillating electron mobility in GaAs/AlxGa1− xAs double quantum well structure under applied electric field

T Sahu, N Sahoo - Superlattices and Microstructures, 2015 - Elsevier
We show that oscillation of low temperature electron mobility μ can be achieved in a single
side barrier delta doped asymmetric GaAs/Al x Ga 1− x As double quantum well structure. By …

Impurity and edge roughness scattering in graphene nanoribbons: the Boltzmann approach

H Xu, T Heinzel - Journal of Physics: Condensed Matter, 2012 - iopscience.iop.org
The conductivity of graphene nanoribbons in the presence of bulk impurities and edge
roughness is studied theoretically using the Boltzmann transport equation for quasi-one …

Carrier transport in armchair and zigzag graphene nanoribbons

MR Jafari, B Bahrami, T Abolghasemi - Journal of Electronic Materials, 2017 - Springer
The conductivity of armchair and zigzag graphene nanoribbons in the presence of Coulomb
scattering due to the charged impurities is investigated theoretically based on the Boltzmann …

Drift velocity peak and negative differential mobility in high field transport in graphene nanoribbons explained by numerical simulations

A Betti, G Fiori, G Iannaccone - Applied Physics Letters, 2011 - pubs.aip.org
We present numerical simulations of high field transport in both suspended and deposited
armchair graphene nanoribbon (A-GNR) on HfO 2 substrate. Drift velocity in suspended …

[HTML][HTML] Oscillation of electron mobility in parabolic double quantum well structure due to applied electric field

N Sahoo, T Sahu - AIP Advances, 2014 - pubs.aip.org
We show that oscillation of low temperature electron mobility μ can be obtained by applying
an electric field F along the growth direction of the asymmetrically barrier delta doped Al x …

Dirac fermion heating, current scaling, and direct insulator-quantum Hall transition in multilayer epitaxial graphene

FH Liu, CS Hsu, C Chuang, TP Woo, LI Huang… - Nanoscale Research …, 2013 - Springer
We have performed magnetotransport measurements on multilayer epitaxial graphene. By
increasing the driving current I through our graphene devices while kee** the bath …

Effects of nonlocal plasmons in gapped graphene micro-ribbon array and two-dimensional electron gas on near-field electromagnetic response in the deep …

D Huang, G Gumbs, O Roslyak - Applied Optics, 2013 - opg.optica.org
A self-consistent theory involving Maxwell's equations and a density-matrix linear-response
theory is solved for an electromagnetically coupled doped graphene micro-ribbon array …