Imaging the Breakdown and Restoration of Topological Protection in Magnetic Topological Insulator MnBi<sub>2</sub>Te<sub>4</sub>

Qile Li, Iolanda Di Bernardo, Johnathon Maniatis, Daniel McEwen, Amelia Domínguez-Celorrio, Mohammad Bhuiyan, Mengting Zhao, Anton Tadich, Liam Watson, Benjamin Löwe

Type: Article

Publication Date: 2024-02-25

Citations: 3

DOI: https://doi.org/10.1002/adma.202312004

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Abstract

Quantum anomalous Hall (QAH) insulators transport charge without resistance along topologically protected chiral 1D edge states. Yet, in magnetic topological insulators to date, topological protection is far from robust, with zero-magnetic field QAH effect only realized at temperatures an order of magnitude below the Néel temperature T

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arXiv (Cornell University) - View - PDF
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) - View - PDF
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