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Title: Heterodimensional superlattice with in-plane anomalous Hall effect
Authors: Zhou, Jiadong
Zhang, Wenjie
Lin, Yung-Chang
Cao, Jin
Zhou, Yao
Jiang, Wei
Du, Huifang
Tang, Bijun
Shi, Jia
Jiang, Bingyan
Cao, Xun
Lin, Bo
Fu, Qundong
Zhu, Chao
Guo, Wei
Huang, Yizhong
Yao, Yuan
Parkin, Stuart S. P.
Zhou, Jianhui
Gao, Yanfeng
Wang, Yeliang
Hou, Yanglong
Yao, Yugui
Suenaga, Kazu
Wu, Xiaosong
Liu, Zheng
Keywords: Engineering::Materials::Nanostructured materials
Issue Date: 2022
Source: Zhou, J., Zhang, W., Lin, Y., Cao, J., Zhou, Y., Jiang, W., Du, H., Tang, B., Shi, J., Jiang, B., Cao, X., Lin, B., Fu, Q., Zhu, C., Guo, W., Huang, Y., Yao, Y., Parkin, S. S. P., Zhou, J., ...Liu, Z. (2022). Heterodimensional superlattice with in-plane anomalous Hall effect. Nature, 609(7925), 46-51.
Project: MOE2018-T3-1-002 
Journal: Nature 
Abstract: Superlattices-a periodic stacking of two-dimensional layers of two or more materials-provide a versatile scheme for engineering materials with tailored properties1,2. Here we report an intrinsic heterodimensional superlattice consisting of alternating layers of two-dimensional vanadium disulfide (VS2) and a one-dimensional vanadium sulfide (VS) chain array, deposited directly by chemical vapour deposition. This unique superlattice features an unconventional 1T stacking with a monoclinic unit cell of VS2/VS layers identified by scanning transmission electron microscopy. An unexpected Hall effect, persisting up to 380 kelvin, is observed when the magnetic field is in-plane, a condition under which the Hall effect usually vanishes. The observation of this effect is supported by theoretical calculations, and can be attributed to an unconventional anomalous Hall effect owing to an out-of-plane Berry curvature induced by an in-plane magnetic field, which is related to the one-dimensional VS chain. Our work expands the conventional understanding of superlattices and will stimulate the synthesis of more extraordinary superstructures.
ISSN: 0028-0836
DOI: 10.1038/s41586-022-05031-2
Schools: School of Materials Science and Engineering 
School of Electrical and Electronic Engineering 
Research Centres: CNRS International NTU THALES Research Alliances 
Rights: © 2022 The Author(s), under exclusive licence to Springer Nature Limited. All rights reserved. This paper was published in Nature and is made available with permission of The Author(s).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
MSE Journal Articles

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