Quantum Oscillations in the Field-induced Ferromagnetic State of MnBi${}_{2-x}$Sb${}_x$Te${}_4$

Qianni Jiang, Chong Wang, Paul Malinowski +10

The intrinsic antiferromagnetic topological insulator MnBi${}_2$Te${}_4$ undergoes a metamagnetic transition in a c-axis magnetic field. It has been predicted that ferromagnetic Mn…