Calculations find a Chern number -1 quantum anomalous Hall state in compensated antiferromagnetic six-septuple-layer MnBi2Te4 when the outermost Mn moments align, with gaps up to 70.8 meV under pressure.
Shen, Half quantized Hall effect, Coshare Science 02, 01 (2024)
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An ab-initio study on engineering quantum anomalous Hall effect in compensated antiferromagnet MnBi$_{2}$Te$_{4}$
Calculations find a Chern number -1 quantum anomalous Hall state in compensated antiferromagnetic six-septuple-layer MnBi2Te4 when the outermost Mn moments align, with gaps up to 70.8 meV under pressure.