Nonlinear spin current and magnetoresistance of molecular tunnel junctions

D Waldron, P Haney, B Larade, A MacDonald, H Guo - Physical review letters, 2006 - APS
We report on a theoretical study of spin-polarized quantum transport through a Ni-
bezenedithiol (BDT)-Ni molecular magnetic tunnel junction (MTJ). Our study is based on …

Rashba effect and magnetic field in semiconductor quantum wires

S Debald, B Kramer - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We investigate the influence of a perpendicular magnetic field on the spectral and spin
properties of a ballistic quasi-one-dimensional electron system with Rashba effect. The …

Spontaneous spin-polarized current in a nonuniform Rashba interaction system

Q Sun, XC Xie - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We investigate electron transport through a two-dimensional semiconductor with a
nonuniform Rashba spin-orbit interaction. Due to the combination of the coherence effect …

Spin transport of electrons through quantum wires with a spatially modulated Rashba spin-orbit interaction

XF Wang - Physical Review B, 2004 - APS
We study ballistic transport of spin-polarized electrons through quantum wires in which the
Rashba spin-orbit interaction (SOI) is spatially modulated. Subband mixing, due to SOI …

Spin-dependent transport in Fe-doped carbon nanotubes

B Wang, Y Zhu, W Ren, J Wang, H Guo - Physical Review B—Condensed …, 2007 - APS
We report on a first principles calculation of spin-dependent quantum transport in Fe-doped
single-wall carbon nanotube (CNT) junctions. For junctions of a pristine (9, 0) CNT in contact …

Ab initio simulation of magnetic tunnel junctions

D Waldron, L Liu, H Guo - Nanotechnology, 2007 - iopscience.iop.org
In this paper, we present the mathematical and implementation details of an ab initio method
for calculating spin-polarized quantum transport properties of atomic scale spintronic …

First-principles study of transport of V doped boron nitride nanotube

KL Yao, Y Min, ZL Liu, HG Cheng, SC Zhu, GY Gao - Physics Letters A, 2008 - Elsevier
We perform first-principles calculations of spin-dependent quantum transport in V doped
boron nitride nanotube: the junction of pristine (6, 0) boron nitride nanotube in contact with V …

Phase-coherent quantum mechanical spin transport in a weakly disordered quasi-one-dimensional channel

M Cahay, S Bandyopadhyay - Physical Review B, 2004 - APS
A transfer matrix technique is used to model phase-coherent spin transport in the weakly
disordered quasi-one-dimensional channel of a gate-controlled electron spin interferometer …

Beating of oscillations in transport coefficients of a one-dimensionally periodically modulated two-dimensional electron gas in the presence of spin-orbit interaction

XF Wang, P Vasilopoulos, FM Peeters - Physical Review B—Condensed Matter …, 2005 - APS
Transport properties of a two-dimensional electron gas (2DEG) are studied in the presence
of a perpendicular magnetic field B, of a weak one-dimensional (1D) periodic potential …

Rashba spin-orbit effect on electronic transport in ferromagnetic/semiconductor/ferromagnetic nanostructures under an applied electric field

YX Li, Y Guo, BZ Li - Physical Review B—Condensed Matter and Materials …, 2005 - APS
Using a mode match transfer matrix method, the coherent quantum transport in a
ferromagnetic/semiconductor/ferromagnetic nanowire was investigated in the presence of …