Anomalous Hall effect in a two dimensional electron gas with magnetic impurities

Abstract

Magnetic impurities play an important role in many spintronics-related materials. Motivated by this fact, we study the anomalous Hall effect in the presence of magnetic impurities, focusing on two-dimensional electron systems with Rashba spin-orbit coupling. We find a highly nonlinear dependence on the impurity polarization, including possible sign changes. At small impurity magnetizations, this is a consequence of the remarkable result that the linear term is independent of the spin-orbit coupling strength. Near saturation of the impurity spins, the anomalous Hall conductivity can be resonantly enhanced, due to interference between potential and magnetic scattering.

5 pages, 3 figures

References in corpus (2)

• Anomalous Hall effect in a two-dimensional electron gas
• Anomalous Hall effect in (In,Mn)Sb dilute magnetic semiconductor

Cited by in corpus (3)

• Transport theory for disordered multiple-band systems: Anomalous Hall effect and anisotropic magnetoresistance
• Hybrid skew scattering regime of the anomalous Hall effect in Rashba systems: unifying Keldysh, Boltzmann, and Kubo formalisms
• Anomalous Corrections to Hall Resistivity of Spin-Polarized Two-Dimensional Holes in a GaAs/AlGaAs Heterostructure