Proximity-magnetized quantum spin Hall insulator: monolayer 1 T’ WTe2/Cr2Ge2Te6

Li, Junxue; Rashetnia, Mina; Lohmann, Mark; Koo, Jahyun; Xu, Youming; Zhang, Xiao; Watanabe, Kenji; Taniguchi, Takashi; Jia, Shuang; Chen, Xi; Yan, Binghai; Cui, Yong-Tao; Shi, Jing

doi:10.1038/s41467-022-32808-w

Proximity-magnetized quantum spin Hall insulator: monolayer 1 T’ WTe2/Cr2Ge2Te6

Journal Article · Thu Sep 01 04:00:00 EDT 2022 · Nature Communications

DOI:https://doi.org/10.1038/s41467-022-32808-w· OSTI ID:1885089

Li, Junxue; Rashetnia, Mina; ; Koo, Jahyun; Xu, Youming; Zhang, Xiao; ; ; ; Chen, Xi; ; ;

Abstract

Van der Waals heterostructures offer great versatility to tailor unique interactions at the atomically flat interfaces between dissimilar layered materials and induce novel physical phenomena. By bringing monolayer 1 T’ WTe ₂ , a two-dimensional quantum spin Hall insulator, and few-layer Cr ₂ Ge ₂ Te ₆ , an insulating ferromagnet, into close proximity in an heterostructure, we introduce a ferromagnetic order in the former via the interfacial exchange interaction. The ferromagnetism in WTe ₂ manifests in the anomalous Nernst effect, anomalous Hall effect as well as anisotropic magnetoresistance effect. Using local electrodes, we identify separate transport contributions from the metallic edge and insulating bulk. When driven by an AC current, the second harmonic voltage responses closely resemble the anomalous Nernst responses to AC temperature gradient generated by nonlocal heater, which appear as nonreciprocal signals with respect to the induced magnetization orientation. Our results from different electrodes reveal spin-polarized edge states in the magnetized quantum spin Hall insulator.

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Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-07ER46351

OSTI ID:: 1885089

Alternate ID(s):: OSTI ID: 1904639

Journal Information:: Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 13; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United Kingdom

Language:: English

References (36)

On the Quantum Spin Hall Gap of Monolayer 1T′-WTe ₂ Zheng, Feipeng; Cai, Chaoyi; Ge, Shaofeng Advanced Materials, Vol. 28, Issue 24 https://doi.org/10.1002/adma.201600100	journal	April 2016
Unidirectional Magneto-Resistance in Modulation-Doped Magnetic Topological Insulators Fan, Yabin; Shao, Qiming; Pan, Lei Nano Letters, Vol. 19, Issue 2 https://doi.org/10.1021/acs.nanolett.8b03702	journal	January 2019
Probing Magnetism in Insulating Cr ₂ Ge ₂ Te ₆ by Induced Anomalous Hall Effect in Pt Lohmann, Mark; Su, Tang; Niu, Ben Nano Letters, Vol. 19, Issue 4 https://doi.org/10.1021/acs.nanolett.8b05121	journal	March 2019
Record High-Proximity-Induced Anomalous Hall Effect in (Bi _x Sb _{1– x} ) ₂ Te ₃ Thin Film Grown on CrGeTe ₃ Substrate Yao, Xiong; Gao, Bin; Han, Myung-Geun Nano Letters, Vol. 19, Issue 7 https://doi.org/10.1021/acs.nanolett.9b01495	journal	June 2019
Discovery of intrinsic ferromagnetism in two-dimensional van der Waals crystals Gong, Cheng; Li, Lin; Li, Zhenglu Nature, Vol. 546, Issue 7657 https://doi.org/10.1038/nature22060	journal	April 2017
Imaging currents in HgTe quantum wells in the quantum spin Hall regime Nowack, Katja C.; Spanton, Eric M.; Baenninger, Matthias Nature Materials, Vol. 12, Issue 9 https://doi.org/10.1038/nmat3682	journal	June 2013
Strong interfacial exchange field in the graphene/EuS heterostructure Wei, Peng; Lee, Sunwoo; Lemaitre, Florian Nature Materials, Vol. 15, Issue 7 https://doi.org/10.1038/nmat4603	journal	March 2016
Unidirectional spin Hall magnetoresistance in ferromagnet/normal metal bilayers Avci, Can Onur; Garello, Kevin; Ghosh, Abhijit Nature Physics, Vol. 11, Issue 7 https://doi.org/10.1038/nphys3356	journal	June 2015
Edge conduction in monolayer WTe2 Fei, Zaiyao; Palomaki, Tauno; Wu, Sanfeng Nature Physics, Vol. 13, Issue 7 https://doi.org/10.1038/nphys4091	journal	April 2017
Quantum spin Hall state in monolayer 1T'-WTe2 Tang, Shujie; Zhang, Chaofan; Wong, Dillon Nature Physics, Vol. 13, Issue 7 https://doi.org/10.1038/nphys4174	journal	June 2017
Magnetic proximity and nonreciprocal current switching in a monolayer WTe2 helical edge Zhao, Wenjin; Fei, Zaiyao; Song, Tiancheng Nature Materials, Vol. 19, Issue 5 https://doi.org/10.1038/s41563-020-0620-0	journal	March 2020
Layer-resolved magnetic proximity effect in van der Waals heterostructures Zhong, Ding; Seyler, Kyle L.; Linpeng, Xiayu Nature Nanotechnology, Vol. 15, Issue 3 https://doi.org/10.1038/s41565-019-0629-1	journal	January 2020
Evidence for a monolayer excitonic insulator Jia, Yanyu; Wang, Pengjie; Chiu, Cheng-Li Nature Physics, Vol. 18, Issue 1 https://doi.org/10.1038/s41567-021-01422-w	journal	December 2021
Evidence for equilibrium exciton condensation in monolayer WTe2 Sun, Bosong; Zhao, Wenjin; Palomaki, Tauno Nature Physics, Vol. 18, Issue 1 https://doi.org/10.1038/s41567-021-01427-5	journal	December 2021
Current heating induced spin Seebeck effect Schreier, Michael; Roschewsky, Niklas; Dobler, Erich Applied Physics Letters, Vol. 103, Issue 24 https://doi.org/10.1063/1.4839395	journal	December 2013
Mott Relation for Anomalous Hall and Nernst Effects in Ga 1 − x Mn x As Ferromagnetic Semiconductors Pu, Yong; Chiba, Daichi; Matsukura, Fumihiro Physical Review Letters, Vol. 101, Issue 11 https://doi.org/10.1103/PhysRevLett.101.117208	journal	September 2008
Evidence for Helical Edge Modes in Inverted InAs / GaSb Quantum Wells Knez, Ivan; Du, Rui-Rui; Sullivan, Gerard Physical Review Letters, Vol. 107, Issue 13 https://doi.org/10.1103/PhysRevLett.107.136603	journal	September 2011
Proximity-Induced Ferromagnetism in Graphene Revealed by the Anomalous Hall Effect Wang, Zhiyong; Tang, Chi; Sachs, Raymond Physical Review Letters, Vol. 114, Issue 1 https://doi.org/10.1103/PhysRevLett.114.016603	journal	January 2015
Large Unidirectional Magnetoresistance in a Magnetic Topological Insulator Yasuda, K.; Tsukazaki, A.; Yoshimi, R. Physical Review Letters, Vol. 117, Issue 12 https://doi.org/10.1103/PhysRevLett.117.127202	journal	September 2016
Quantum Spin Hall Effect in Graphene Kane, C. L.; Mele, E. J. Physical Review Letters, Vol. 95, Issue 22 https://doi.org/10.1103/PhysRevLett.95.226801	journal	November 2005
Quantum Spin Hall Effect Bernevig, B. Andrei; Zhang, Shou-Cheng Physical Review Letters, Vol. 96, Issue 10 https://doi.org/10.1103/PhysRevLett.96.106802	journal	March 2006
Berry-Phase Effect in Anomalous Thermoelectric Transport Xiao, Di; Yao, Yugui; Fang, Zhong Physical Review Letters, Vol. 97, Issue 2 https://doi.org/10.1103/PhysRevLett.97.026603	journal	July 2006
Pressure-induced spin reorientation transition in layered ferromagnetic insulator Cr 2 Ge 2 Te 6 Lin, Zhisheng; Lohmann, Mark; Ali, Zulfikhar A. Physical Review Materials, Vol. 2, Issue 5 https://doi.org/10.1103/PhysRevMaterials.2.051004	journal	May 2018
Anomalous Hall effect Nagaosa, Naoto; Sinova, Jairo; Onoda, Shigeki Reviews of Modern Physics, Vol. 82, Issue 2 https://doi.org/10.1103/RevModPhys.82.1539	journal	May 2010
Colloquium: Topological insulators Hasan, M. Z.; Kane, C. L. Reviews of Modern Physics, Vol. 82, Issue 4, p. 3045-3067 https://doi.org/10.1103/RevModPhys.82.3045	journal	November 2010
Topological insulators and superconductors Qi, Xiao-Liang; Zhang, Shou-Cheng Reviews of Modern Physics, Vol. 83, Issue 4 https://doi.org/10.1103/RevModPhys.83.1057	journal	October 2011
Above 400-K robust perpendicular ferromagnetic phase in a topological insulator Tang, Chi; Chang, Cui-Zu; Zhao, Gejian Science Advances, Vol. 3, Issue 6 https://doi.org/10.1126/sciadv.1700307	journal	June 2017
Imaging quantum spin Hall edges in monolayer WTe ₂ Shi, Yanmeng; Kahn, Joshua; Niu, Ben Science Advances, Vol. 5, Issue 2 https://doi.org/10.1126/sciadv.aat8799	journal	February 2019
Quantum Spin Hall Effect and Topological Phase Transition in HgTe Quantum Wells Bernevig, B. A.; Hughes, T. L.; Zhang, S.-C. Science, Vol. 314, Issue 5806, p. 1757-1761 https://doi.org/10.1126/science.1133734	journal	December 2006
Quantum Spin Hall Insulator State in HgTe Quantum Wells Konig, M.; Wiedmann, S.; Brune, C. Science, Vol. 318, Issue 5851, p. 766-770 https://doi.org/10.1126/science.1148047	journal	November 2007
Nonlocal Transport in the Quantum Spin Hall State Roth, A.; Brune, C.; Buhmann, H. Science, Vol. 325, Issue 5938 https://doi.org/10.1126/science.1174736	journal	July 2009
Quantized Anomalous Hall Effect in Magnetic Topological Insulators Yu, R.; Zhang, W.; Zhang, H. -J. Science, Vol. 329, Issue 5987 https://doi.org/10.1126/science.1187485	journal	June 2010
Experimental Observation of the Quantum Anomalous Hall Effect in a Magnetic Topological Insulator Chang, C. -Z.; Zhang, J.; Feng, X. Science, Vol. 340, Issue 6129 https://doi.org/10.1126/science.1234414	journal	March 2013
Quantum spin Hall effect in two-dimensional transition metal dichalcogenides Qian, X.; Liu, J.; Fu, L. Science, Vol. 346, Issue 6215 https://doi.org/10.1126/science.1256815	journal	November 2014
Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal Wu, Sanfeng; Fatemi, Valla; Gibson, Quinn D. Science, Vol. 359, Issue 6371 https://doi.org/10.1126/science.aan6003	journal	January 2018
Magnetic anisotropy of the single-crystalline ferromagnetic insulator Cr ₂ Ge ₂ Te ₆ Zhang, Xiao; Zhao, Yuelei; Song, Qi Japanese Journal of Applied Physics, Vol. 55, Issue 3 https://doi.org/10.7567/JJAP.55.033001	journal	February 2016

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