Unconventional Hysteretic Transition in a Charge Density Wave
Hysteresis underlies a large number of phase transitions in solids, giving rise to exotic metastable states that are otherwise inaccessible. Here, we report an unconventional hysteretic transition in a quasi-2D material, EuTe_{4}. By combining transport, photoemission, diffraction, and x-ray absorpt...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
American Physical Society (APS)
2022
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| Online Access: | https://hdl.handle.net/1721.1/141884 |
| _version_ | 1811090842430996480 |
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| author | Lv, BQ Zong, Alfred Wu, D Rozhkov, AV Fine, Boris V Chen, Su-Di Hashimoto, Makoto Lu, Dong-Hui Li, M Huang, Y-B Ruff, Jacob PC Walko, Donald A Chen, ZH Hwang, Inhui Su, Yifan Shen, Xiaozhe Wang, Xirui Han, Fei Po, Hoi Chun Wang, Yao Jarillo-Herrero, Pablo Wang, Xijie Zhou, Hua Sun, Cheng-Jun Wen, Haidan Shen, Zhi-Xun Wang, NL Gedik, Nuh |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Lv, BQ Zong, Alfred Wu, D Rozhkov, AV Fine, Boris V Chen, Su-Di Hashimoto, Makoto Lu, Dong-Hui Li, M Huang, Y-B Ruff, Jacob PC Walko, Donald A Chen, ZH Hwang, Inhui Su, Yifan Shen, Xiaozhe Wang, Xirui Han, Fei Po, Hoi Chun Wang, Yao Jarillo-Herrero, Pablo Wang, Xijie Zhou, Hua Sun, Cheng-Jun Wen, Haidan Shen, Zhi-Xun Wang, NL Gedik, Nuh |
| author_sort | Lv, BQ |
| collection | MIT |
| description | Hysteresis underlies a large number of phase transitions in solids, giving rise to exotic metastable states that are otherwise inaccessible. Here, we report an unconventional hysteretic transition in a quasi-2D material, EuTe_{4}. By combining transport, photoemission, diffraction, and x-ray absorption measurements, we observe that the hysteresis loop has a temperature width of more than 400 K, setting a record among crystalline solids. The transition has an origin distinct from known mechanisms, lying entirely within the incommensurate charge density wave (CDW) phase of EuTe_{4} with no change in the CDW modulation periodicity. We interpret the hysteresis as an unusual switching of the relative CDW phases in different layers, a phenomenon unique to quasi-2D compounds that is not present in either purely 2D or strongly coupled 3D systems. Our findings challenge the established theories on metastable states in density wave systems, pushing the boundary of understanding hysteretic transitions in a broken-symmetry state. |
| first_indexed | 2024-09-23T14:52:49Z |
| format | Article |
| id | mit-1721.1/141884 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T14:52:49Z |
| publishDate | 2022 |
| publisher | American Physical Society (APS) |
| record_format | dspace |
| spelling | mit-1721.1/1418842023-04-13T16:10:06Z Unconventional Hysteretic Transition in a Charge Density Wave Lv, BQ Zong, Alfred Wu, D Rozhkov, AV Fine, Boris V Chen, Su-Di Hashimoto, Makoto Lu, Dong-Hui Li, M Huang, Y-B Ruff, Jacob PC Walko, Donald A Chen, ZH Hwang, Inhui Su, Yifan Shen, Xiaozhe Wang, Xirui Han, Fei Po, Hoi Chun Wang, Yao Jarillo-Herrero, Pablo Wang, Xijie Zhou, Hua Sun, Cheng-Jun Wen, Haidan Shen, Zhi-Xun Wang, NL Gedik, Nuh Massachusetts Institute of Technology. Department of Physics Massachusetts Institute of Technology. Department of Nuclear Science and Engineering Hysteresis underlies a large number of phase transitions in solids, giving rise to exotic metastable states that are otherwise inaccessible. Here, we report an unconventional hysteretic transition in a quasi-2D material, EuTe_{4}. By combining transport, photoemission, diffraction, and x-ray absorption measurements, we observe that the hysteresis loop has a temperature width of more than 400 K, setting a record among crystalline solids. The transition has an origin distinct from known mechanisms, lying entirely within the incommensurate charge density wave (CDW) phase of EuTe_{4} with no change in the CDW modulation periodicity. We interpret the hysteresis as an unusual switching of the relative CDW phases in different layers, a phenomenon unique to quasi-2D compounds that is not present in either purely 2D or strongly coupled 3D systems. Our findings challenge the established theories on metastable states in density wave systems, pushing the boundary of understanding hysteretic transitions in a broken-symmetry state. 2022-04-13T16:40:13Z 2022-04-13T16:40:13Z 2022-01-21 2022-04-13T16:33:16Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/141884 Lv, BQ, Zong, Alfred, Wu, D, Rozhkov, AV, Fine, Boris V et al. 2022. "Unconventional Hysteretic Transition in a Charge Density Wave." Physical Review Letters, 128 (3). en 10.1103/physrevlett.128.036401 Physical Review Letters Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Physical Society (APS) APS |
| spellingShingle | Lv, BQ Zong, Alfred Wu, D Rozhkov, AV Fine, Boris V Chen, Su-Di Hashimoto, Makoto Lu, Dong-Hui Li, M Huang, Y-B Ruff, Jacob PC Walko, Donald A Chen, ZH Hwang, Inhui Su, Yifan Shen, Xiaozhe Wang, Xirui Han, Fei Po, Hoi Chun Wang, Yao Jarillo-Herrero, Pablo Wang, Xijie Zhou, Hua Sun, Cheng-Jun Wen, Haidan Shen, Zhi-Xun Wang, NL Gedik, Nuh Unconventional Hysteretic Transition in a Charge Density Wave |
| title | Unconventional Hysteretic Transition in a Charge Density Wave |
| title_full | Unconventional Hysteretic Transition in a Charge Density Wave |
| title_fullStr | Unconventional Hysteretic Transition in a Charge Density Wave |
| title_full_unstemmed | Unconventional Hysteretic Transition in a Charge Density Wave |
| title_short | Unconventional Hysteretic Transition in a Charge Density Wave |
| title_sort | unconventional hysteretic transition in a charge density wave |
| url | https://hdl.handle.net/1721.1/141884 |
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