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- Publisher Website: 10.1038/s41467-021-22343-5
- Scopus: eid_2-s2.0-85103974351
- PMID: 33824340
- WOS: WOS:000661132800009
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Article: Giant c-axis nonlinear anomalous Hall effect in Td -MoTe2 and WTe2
Title | Giant c-axis nonlinear anomalous Hall effect in T<inf>d</inf>-MoTe<inf>2</inf> and WTe<inf>2</inf> |
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Authors | |
Issue Date | 2021 |
Citation | Nature Communications, 2021, v. 12, n. 1, article no. 2049 How to Cite? |
Abstract | While the anomalous Hall effect can manifest even without an external magnetic field, time reversal symmetry is nonetheless still broken by the internal magnetization of the sample. Recently, it has been shown that certain materials without an inversion center allow for a nonlinear type of anomalous Hall effect whilst retaining time reversal symmetry. The effect may arise from either Berry curvature or through various asymmetric scattering mechanisms. Here, we report the observation of an extremely large c-axis nonlinear anomalous Hall effect in the non-centrosymmetric Td phase of MoTe2 and WTe2 without intrinsic magnetic order. We find that the effect is dominated by skew-scattering at higher temperatures combined with another scattering process active at low temperatures. Application of higher bias yields an extremely large Hall ratio of E⊥/E|| = 2.47 and corresponding anomalous Hall conductivity of order 8 × 107 S/m. |
Persistent Identifier | http://hdl.handle.net/10722/311508 |
PubMed Central ID | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tiwari, Archana | - |
dc.contributor.author | Chen, Fangchu | - |
dc.contributor.author | Zhong, Shazhou | - |
dc.contributor.author | Drueke, Elizabeth | - |
dc.contributor.author | Koo, Jahyun | - |
dc.contributor.author | Kaczmarek, Austin | - |
dc.contributor.author | Xiao, Cong | - |
dc.contributor.author | Gao, Jingjing | - |
dc.contributor.author | Luo, Xuan | - |
dc.contributor.author | Niu, Qian | - |
dc.contributor.author | Sun, Yuping | - |
dc.contributor.author | Yan, Binghai | - |
dc.contributor.author | Zhao, Liuyan | - |
dc.contributor.author | Tsen, Adam W. | - |
dc.date.accessioned | 2022-03-22T11:54:06Z | - |
dc.date.available | 2022-03-22T11:54:06Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Nature Communications, 2021, v. 12, n. 1, article no. 2049 | - |
dc.identifier.uri | http://hdl.handle.net/10722/311508 | - |
dc.description.abstract | While the anomalous Hall effect can manifest even without an external magnetic field, time reversal symmetry is nonetheless still broken by the internal magnetization of the sample. Recently, it has been shown that certain materials without an inversion center allow for a nonlinear type of anomalous Hall effect whilst retaining time reversal symmetry. The effect may arise from either Berry curvature or through various asymmetric scattering mechanisms. Here, we report the observation of an extremely large c-axis nonlinear anomalous Hall effect in the non-centrosymmetric Td phase of MoTe2 and WTe2 without intrinsic magnetic order. We find that the effect is dominated by skew-scattering at higher temperatures combined with another scattering process active at low temperatures. Application of higher bias yields an extremely large Hall ratio of E⊥/E|| = 2.47 and corresponding anomalous Hall conductivity of order 8 × 107 S/m. | - |
dc.language | eng | - |
dc.relation.ispartof | Nature Communications | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Giant c-axis nonlinear anomalous Hall effect in T<inf>d</inf>-MoTe<inf>2</inf> and WTe<inf>2</inf> | - |
dc.type | Article | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1038/s41467-021-22343-5 | - |
dc.identifier.pmid | 33824340 | - |
dc.identifier.pmcid | PMC8024290 | - |
dc.identifier.scopus | eid_2-s2.0-85103974351 | - |
dc.identifier.volume | 12 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | article no. 2049 | - |
dc.identifier.epage | article no. 2049 | - |
dc.identifier.eissn | 2041-1723 | - |
dc.identifier.isi | WOS:000661132800009 | - |