NMR evidence for an antisite-induced magnetic moment on Bi in a topological insulator heterostructure MnBi${}_2$Te${}_4$/(Bi${}_2$Te${}_3$)${}_n$

R. Kalvig, E. Jedryka, A. Lynnyk +3

MnBi${}_2$Te${}_4$ (MBT) is the first intrinsic magnetic topological insulator, combining a topologically protected surface metallic state and intrinsic magnetic order. A structural co…