MnBi4Te7 single crystals show a field-cooling-induced exchange bias with a training effect that also shifts the anomalous Hall loops, attributed by the authors to Mn-Bi antisite defects.
High-purity Mn, Bi, and Te pow- ders in proper stoichiometry were accurately weighed and ground under an argon atmosphere in a glove box to prevent oxidation
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Intertwined magnetic phase driven exchange bias and its impact on the anomalous Hall effect in MnBi$_4$Te$_7$
MnBi4Te7 single crystals show a field-cooling-induced exchange bias with a training effect that also shifts the anomalous Hall loops, attributed by the authors to Mn-Bi antisite defects.