Fig. 4: Topological surface states and SHC components of the two splitting types.
From: Rashba spin-splitting driven inverse spin Hall effect in MnBi2Te4

Surface states and SHC of a–e Rashba-type and f–j Lifshitz-type energy band splits. From left to right, the left and right terminal surface states of the (110) and (001) planes, respectively, and the SHC in each direction.