Heterodimensional superlattice with in-plane anomalous Hall effect

Jiadong Zhou (), Wenjie Zhang, Yung-Chang Lin, Jin Cao, Yao Zhou, Wei Jiang, Huifang Du, Bijun Tang, Jia Shi, Bingyan Jiang, Xun Cao, Bo Lin, Qundong Fu, Chao Zhu, Wei Guo, Yizhong Huang, Yuan Yao, Stuart S. P. Parkin, Jianhui Zhou, Yanfeng Gao, Yeliang Wang, Yanglong Hou, Yugui Yao (), Kazu Suenaga (), Xiaosong Wu () and Zheng Liu ()
Additional contact information
Jiadong Zhou: Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology
Wenjie Zhang: State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, and Collaborative Innovation Center of Quantum Matter, Peking University
Yung-Chang Lin: The Institute of Scientific and Industrial Research, Osaka University
Jin Cao: Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology
Yao Zhou: School of Materials Science and Engineering, Nanyang Technological University
Wei Jiang: Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology
Huifang Du: Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology
Bijun Tang: School of Materials Science and Engineering, Nanyang Technological University
Jia Shi: National University of Singapore
Bingyan Jiang: State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, and Collaborative Innovation Center of Quantum Matter, Peking University
Xun Cao: School of Materials Science and Engineering, Nanyang Technological University
Bo Lin: School of Materials Science and Engineering, Nanyang Technological University
Qundong Fu: School of Materials Science and Engineering, Nanyang Technological University
Chao Zhu: School of Materials Science and Engineering, Nanyang Technological University
Wei Guo: Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology
Yizhong Huang: School of Materials Science and Engineering, Nanyang Technological University
Yuan Yao: Institute of Physics, Chinese Academy of Sciences
Stuart S. P. Parkin: Max Planck Institute of Microstructure Physics
Jianhui Zhou: Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, HFIPS, Anhui, Chinese Academy of Sciences
Yanfeng Gao: Shanghai University
Yeliang Wang: Beijing Institute of Technology
Yanglong Hou: Beijing Key Laboratory for Magnetoelectric Materials and Devices, Beijing Innovation Center for Engineering Science and Advanced Technology, School of Materials Science and Engineering, Peking University
Yugui Yao: Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology
Kazu Suenaga: The Institute of Scientific and Industrial Research, Osaka University
Xiaosong Wu: State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, and Collaborative Innovation Center of Quantum Matter, Peking University
Zheng Liu: School of Materials Science and Engineering, Nanyang Technological University

Nature, 2022, vol. 609, issue 7925, 46-51

Abstract: 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.

Date: 2022
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DOI: 10.1038/s41586-022-05031-2

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