A proposed MnBi2Te4/Sb2Te3/MnBi2Te4 heterostructure is predicted to be ferromagnetic and to host a quantum anomalous Hall effect with Chern number 1 and a 26 meV gap.
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Pursuing High-Temperature Quantum Anomalous Hall Effect in MnBi$_2$Te$_4$/Sb$_2$Te$_3$ Heterostructures
A proposed MnBi2Te4/Sb2Te3/MnBi2Te4 heterostructure is predicted to be ferromagnetic and to host a quantum anomalous Hall effect with Chern number 1 and a 26 meV gap.