Abstract
Theoretical analysis of the uniaxial magnetic anisotropy (MA) in bilayer contacts composed of a non-magnetic layer with Rashba-type spin–orbit interaction and a ferromagnetic one with L − S coupling has been performed. The Rashba-type spin–orbit interaction contributes to the MA of the bilayer via band-mixing of the Rashba-split conduction band of the non-magnetic layer and the exchange-split bands of the ferromagnetic layer. Numerical results of a simple model show that the Rashba-induced MA could have the same order of magnitude as the MA produced in the ferromagnetic layer, indicating that the electric-field dependence of the Rashba spin–orbit interaction may be used to control the uniaxial MA in bilayer contacts.
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