NDLI: Delicate Ferromagnetism in MnBi<sub>6</sub>Te<sub>10</sub>.

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Delicate Ferromagnetism in MnBi₆Te₁₀.

Content Provider	Europe PMC
Author	Yan, Chenhui Zhu, Yanglin Miao, Leixin Fernandez-Mulligan, Sebastian Green, Emanuel Mei, Ruobing Tan, Hengxin Yan, Binghai Liu, Chao-Xing Alem, Nasim Mao, Zhiqiang Yang, Shuolong
Copyright Year	2022
Abstract	Tailoringmagnetic orders in topological insulators is criticalto the realization of topological quantum phenomena. An outstandingchallenge is to find a material where atomic defects lead to tunablemagnetic orders while maintaining a nontrivial topology. Here, bycombining magnetization measurements, angle-resolved photoemissionspectroscopy, and transmission electron microscopy, we reveal disorder-enabled,tunable magnetic ground states in MnBi6Te10.In the ferromagnetic phase, an energy gap of 15 meV is resolved atthe Dirac point on the MnBi2Te4 termination.In contrast, antiferromagnetic MnBi6Te10 exhibitsgapless topological surface states on all terminations. Transmissionelectron microscopy and magnetization measurements reveal substantialMn vacancies and Mn migration in ferromagnetic MnBi6Te10. We provide a conceptual framework where a cooperative interplayof these defects drives a delicate change of overall magnetic groundstate energies and leads to tunable magnetic topological orders. Ourwork provides a clear pathway for nanoscale defect-engineering towardthe realization of topological quantum phases.
ISSN	15306984
Journal	Nano Letters
Volume Number	22
PubMed Central reference number	PMC9801432
Issue Number	24
PubMed reference number	36315185
e-ISSN	15306992
DOI	10.1021/acs.nanolett.2c02500
Language	English
Publisher	American Chemical Society
Publisher Date	2022-10-31
Access Restriction	Open
Rights License	Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). © 2022 The Authors. Published by American Chemical Society
Subject Keyword	magnetic topological insulator MnBi6Te10 ferromagnetism antiferromagnetism defects
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Chemistry Condensed Matter Physics Bioengineering Materials Science Mechanical Engineering

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Delicate Ferromagnetism in MnBi6Te10.

Delicate Ferromagnetism in MnBi₆Te₁₀.