The inverse spin Hall effect in the lateral spin valve structure with dual injectors

Abstract

The inverse spin Hall effect (ISHE) of a graphene-like material (GLM) in the lateral spin valve (LSV) structure with dual injectors is studied by the well-known spin-circuit method. We focus on the interactions among the ferromagnets, especially the effects of the relative orientations of these magnets on the ISHE. In addition, we discuss the possibility of graphene as the giant spin Hall effect (GSHE) material. In order to compare the results with more convenience, we calculate the ISHE signals of CuBi, CuIr and the GLM at the same time as the functions of the orientation angles of the magnets. Our calculations show that the structures with dual injectors help to improve the signal strength of the ISHE. However, the SHE of the GLM is not stronger than that of CuBi or CuIr.