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Intrinsic magnetic topological insulators in van der Waals layered MnBi <sub>2</sub> Te <sub>4</sub> -family materials
The interplay of magnetism and topology is a key research subject in condensed matter physics, which offers great opportunities to explore emerging new physics, such as the quantum anomalous Hall (QAH) effect, axion electrodynamics, and Majorana fermions. However, these exotic physical effects have rarely been realized experimentally because of the …