Heterodimensional superlattice with in-plane anomalous Hall effect

Zhou, Jiadong1; Zhang, Wenjie2,3,4; Lin, Yung-Chang5; Cao, Jin1; Zhou, Yao6,7,8; Jiang, Wei1; Du, Huifang1; Tang, Bijun6; Shi, Jia9; Jiang, Bingyan2,3; Cao, Xun6; Lin, Bo6; Fu, Qundong6; Zhu, Chao6; Guo, Wei1; Huang, Yizhong6; Yao, Yuan10; Parkin, Stuart S. P.4; Zhou, Jianhui11; Gao, Yanfeng12; Wang, Yeliang13; Hou, Yanglong14; Yao, Yugui1; Suenaga, Kazu6; Wu, Xiaosong2,3,15; Liu, Zheng6,16,17

2022-09-01

10.1038/s41586-022-05031-2

NATURE   Impact Factor & Quartile

0028-0836

1476-4687

Superlattices-a periodic stacking of two-dimensional layers of two or more materials-provide a versatile scheme for engineering materials with tailored properties(1,2). 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 bytheoretical 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 expandsthe conventional understanding of superlattices and will stimulate the synthesis of more extraordinary superstructures.

SCI

English

NI Journal Papers

Corresponding

National Key R&D Program of China["2020YFA0308800","2017YFA0206301"] ; NSF of China["12074009","11774009","62174013","12061131102","11734003"] ; BIT[2021CX11013] ; National Research Foundation, Singapore under its NRF-ISF joint research programme["NRF-CRP22-2019-0007","NRF-CRP22-2019-0004","NRF2020-NRF-ISF004-3520"] ; Ministry of Education, Singapore[MOE2018-T3-1-002] ; National Key Basic Research Program of China[2017YFB0701603] ; NSFC[51971037] ; JSPS-KAKENHI["JP16H06333","JP22H05478","18K14119"] ; JST-CREST programme["JPMJCR20B1","JMJCR20B5","JPMJCR1993"] ; Innovation Program of Shanghai Municipal Education Commission[2019-01-07-00-09-E00020] ; Shanghai Municipal Science and Technology Commission[18JC1412800] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB30000000]

Science & Technology - Other Topics

Multidisciplinary Sciences

WOS:000848739300001

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Web of Science

1.Beijing Inst Technol, Ctr Quantum Phys, Key Lab Adv Optoelect Quantum Architecture & Meas, Sch Phys, Beijing, Peoples R China
2.Peking Univ, State Key Lab Artificial Microstruct & Mesoscop P, Frontiers Sci Ctr Nanooptoelect, Beijing, Peoples R China
3.Peking Univ, Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China
4.Max Planck Inst Microstruct Phys, Halle, Germany
5.Osaka Univ, Inst Sci & Ind Res, Osaka, Japan
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9.Natl Univ Singapore, Dept Chem, Singapore, Singapore
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11.Chinese Acad Sci, Anhui Key Lab Condensed Matter Phys Extreme Condi, High Magnet Field Lab, HFIPS, Hefei, Peoples R China
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16.CNRS, CINTRA, NTU THALES, UMI 3288, Singapore, Singapore
17.Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore

Zhou, Jiadong,Zhang, Wenjie,Lin, Yung-Chang,et al. Heterodimensional superlattice with in-plane anomalous Hall effect[J]. NATURE,2022,609(7925).

Zhou, Jiadong.,Zhang, Wenjie.,Lin, Yung-Chang.,Cao, Jin.,Zhou, Yao.,...&Liu, Zheng.(2022).Heterodimensional superlattice with in-plane anomalous Hall effect.NATURE,609(7925).

Zhou, Jiadong,et al."Heterodimensional superlattice with in-plane anomalous Hall effect".NATURE 609.7925(2022).