235 citations · 1.5k across the 62 of their papers we have counts for
12 papers · 1 filter
Effects of electron-impurity scattering on density of states in silicene: impurity bands and band-gap narrowing
S. Y. Liu, Y. C. Zeng, X. L. Lei
Considering the interband correlation, we present a generalized multiple-scattering approach of Green's function to investigate the effects of electron-impurity scattering on the d…
Seebeck effect in dilute two-dimensional electron systems: temperature dependencies of diffusion and phonon-drag thermoelectric powers
S. Y. Liu, X. L. Lei, Norman J. M. Horing
Considering screeening of electron scattering interactions in terms of the finite-temperature STLS theory and solving the linearized Boltzmann equation (with no appeal to a relaxat…
Oscillatory nonlinear differential magnetoresistance of highly mobile 2D electrons in high Landau levels
X. L. Lei
We examine the current-induced magnetoresistance oscillations in high-mobility two-dimensional electron systems using the balance-equation scheme for nonlinear magnetotransort. The…
Diffusive transport in graphene: the role of interband correlation
S. Y. Liu, X. L. Lei, Norman J. M. Horing
We present a kinetic equation approach to investigate dc transport properties of graphene in the diffusive regime considering long-range electron-impurity scattering. In our study,…
Anomalous Hall effect in Rashba two-dimensional electron systems based on narrow-band semiconductors: side-jump and skew scattering mechanisms
S. Y. Liu, Norman J. M. Horing, X. L. Lei
We employ a helicity-basis kinetic equation approach to investigate the anomalous Hall effect in two-dimensional narrow-band semiconductors considering both Rashba and extrinsic sp…
Inverse Spin Hall Effect by Spin Injection
S. Y. Liu, Norman J. M. Horing, X. L. Lei
Motivated by a recent experiment[Nature {\bf 442}, 176 (2006)], we present a quantitative microscopic theory to investigate the inverse spin-Hall effect with spin injection into al…
Spin Hall effect in infinitely large and finite-size diffusive Rashba two-dimensional electron systems: A helicity-basis nonequilibrium Green's function approach
S. Y. Liu, X. L. Lei
A nonequilibrium Green's function approach is employed to investigate the spin-Hall effect in diffusive two-dimensional electron systems with Rashba spin-orbit interaction. Conside…
Long range scattering effects on spin Hall current in -type bulk semiconductors
S. Y. Liu, Norman J. M. Horing, X. L. Lei
Employing a nonequilibrium Green's function approach, we examine the effects of long-range hole-impurity scattering on spin-Hall current in -type bulk semiconductors within the…
Disorder effects on the spin-Hall current in a diffusive Rashba two-dimensional heavy-hole system
S. Y. Liu, X. L. Lei
We investigate the spin-Hall effect in a two-dimensional heavy-hole system with Rashba spin-orbit coupling using a nonequilibrium Green's function approach. Both the short- and lon…
Vanishing of the Dissipationless Spin Hall Effect in a Diffusive Two-Dimensional Electron Gas with Spin-Orbit Coupling
S. Y. Liu, X. L. Lei
We propose a nonequilibrium Green's function approach to study the spin-Hall effect in a two-dimensional electron system with both the Rashba and Dresselhaus spin-orbit couplings.…
Spin Hall Effect in a Diffusive Rashba Two-dimensional Electron Gas
S. Y. Liu, X. L. Lei
A nonequilibrium Green's functions approach to spin-Hall effect is developed in a diffusive two-dimensional electron system with Rashba spin-orbit interaction. In the presence of l…
Theory of nonlinear cyclotron resonance in quasi-two-dimensional electron systems
S. Y. Liu, X. L. Lei
Momentum and energy balance equations are developed for steady-state electron transport and optical absorption under the influence of a dc electric field, an intense ac electric fi…