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Heterodimensional superlattice with in-plane anomalous Hall effect.
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.
Affiliation
  • Zhou J; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China. jdzhou@bit.edu.cn.
  • Zhang W; State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, and Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, China.
  • Lin YC; Max Planck Institute of Microstructure Physics, Halle, Germany.
  • Cao J; The Institute of Scientific and Industrial Research, Osaka University, Osaka, Japan.
  • Zhou Y; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China.
  • Jiang W; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Du H; Advanced Research Institute of Multidisciplinary Science, and School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China.
  • Tang B; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China.
  • Shi J; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China.
  • Jiang B; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Cao X; Department of Chemistry, National University of Singapore, Singapore, Singapore.
  • Lin B; State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, and Collaborative Innovation Center of Quantum Matter, Peking University, Beijing, China.
  • Fu Q; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Zhu C; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Guo W; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Huang Y; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Yao Y; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China.
  • Parkin SSP; School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore.
  • Zhou J; Institute of Physics, Chinese Academy of Sciences, Beijing, China.
  • Gao Y; Max Planck Institute of Microstructure Physics, Halle, Germany.
  • Wang Y; Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, HFIPS, Anhui, Chinese Academy of Sciences, Hefei, China.
  • Hou Y; School of Materials Science and Engineering, Shanghai University, Shanghai, China.
  • Yao Y; School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing, China.
  • Suenaga K; 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, Beijing, China.
  • Wu X; Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, China. ygyao@bit.edu.cn.
  • Liu Z; The Institute of Scientific and Industrial Research, Osaka University, Osaka, Japan. suenaga-kazu@sanken.osaka-u.ac.jp.
Nature ; 609(7925): 46-51, 2022 09.
Article in En | MEDLINE | ID: mdl-36045238
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.
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Full text: 1 Database: MEDLINE Language: En Journal: Nature Year: 2022 Type: Article Affiliation country: China
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Add to My VHL
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Full text: 1 Database: MEDLINE Language: En Journal: Nature Year: 2022 Type: Article Affiliation country: China