Electrically Controllable Exchange Bias via Interface Magnetoelectric Effect

Exchange bias is a unidirectional magnetic anisotropy that often arises from the interfacial interaction of ferromagnetic and antiferromagnetic layers. In this article, we show that a metallic layer with spin-orbit coupling can induce an exchange bias via an interface magnetoelectric effect. In a linear response regime, the interface magnetoelectric effect is induced by spin-orbit couplings that arise from the broken symmetry of the system. Furthermore, we demonstrate that the exchange bias can be controlled by the electric field.