Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/166600
Title: Controlled large non-reciprocal charge transport in an intrinsic magnetic topological insulator MnBi₂Te₄
Authors: Zhang, Zhaowei
Wang, Naizhou
Cao, Ning
Wang, Aifeng
Zhou, Xiaoyuan
Watanabe, Kenji
Taniguchi, Takashi
Yan, Binghai
Gao, Weibo
Keywords: Science::Physics
Issue Date: 2022
Source: Zhang, Z., Wang, N., Cao, N., Wang, A., Zhou, X., Watanabe, K., Taniguchi, T., Yan, B. & Gao, W. (2022). Controlled large non-reciprocal charge transport in an intrinsic magnetic topological insulator MnBi₂Te₄. Nature Communications, 13, 6191-. https://dx.doi.org/10.1038/s41467-022-33705-y
Project: NRF-CRP22-2019-0004 
MOE2016-T3-1-006 (S) 
Journal: Nature Communications 
Abstract: Symmetries, quantum geometries and electronic correlations are among the most important ingredients of condensed matters, and lead to nontrivial phenomena in experiments, for example, non-reciprocal charge transport. Of particular interest is whether the non-reciprocal transport can be manipulated. Here, we report the controllable large non-reciprocal charge transport in the intrinsic magnetic topological insulator MnBi2Te4. The current direction relevant resistance is observed at chiral edges, which is magnetically switchable, edge position sensitive and stacking sequence controllable. Applying gate voltage can also effectively manipulate the non-reciprocal response. The observation and manipulation of non-reciprocal charge transport reveals the fundamental role of chirality in charge transport of MnBi2Te4, and pave ways to develop van der Waals spintronic devices by chirality engineering.
URI: https://hdl.handle.net/10356/166600
ISSN: 2041-1723
DOI: 10.1038/s41467-022-33705-y
Schools: School of Physical and Mathematical Sciences 
Research Centres: The Photonics Institute
Centre for Disruptive Photonic Technologies (CDPT) 
CNRS International NTU THALES Research Alliances 
Rights: © 2022 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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