Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3
The charge density wave (CDW) state is a widespread phenomenon in low-dimensional metals/semimetals. The spectral weight of the associated folded bands (shadow bands) can be an intriguing trigger leading to additional Fermi surface instability and unexplored phase transitions. The rare earth tri-t...
| Main Authors: | , , , , , , , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2025
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| Online Access: | https://hdl.handle.net/10356/182719 |
| _version_ | 1826113810057920512 |
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| author | Smith, Barnaby R. M. Fujisawa, Yuita Wu, Ping Nakamura, Tomonori Tomoda, Nanami Kuniyoshi, Shingo Ueta, Daichi Kobayashi, Riki Okuma, Ryutaro Arai, K. Kuroda, Kenta Hsu, Chia-Hsiu Chang, Guoqing Huang, Chengyi Lin, Hsin Wang, Zhenyu Kondo, T. Okada, Yoshinori |
| author2 | School of Physical and Mathematical Sciences |
| author_facet | School of Physical and Mathematical Sciences Smith, Barnaby R. M. Fujisawa, Yuita Wu, Ping Nakamura, Tomonori Tomoda, Nanami Kuniyoshi, Shingo Ueta, Daichi Kobayashi, Riki Okuma, Ryutaro Arai, K. Kuroda, Kenta Hsu, Chia-Hsiu Chang, Guoqing Huang, Chengyi Lin, Hsin Wang, Zhenyu Kondo, T. Okada, Yoshinori |
| author_sort | Smith, Barnaby R. M. |
| collection | NTU |
| description | The charge density wave (CDW) state is a widespread phenomenon in
low-dimensional metals/semimetals. The spectral weight of the associated folded bands (shadow bands) can be an intriguing trigger leading to additional Fermi surface instability and unexplored phase transitions. The rare earth
tri-telluride CeTe3 exhibits a single CDW stabilized below ~400 K and
antiferromagnetism below ~3 K. The distinct periodicities between the Te-square net, the CeTe block layer, and the CDW give rise to rich shadow band
formations. In this work, we reveal the predominant scattering between the
original and shadow bands at 4 K, with the scattering within the original bands
being relatively suppressed at Fermi energy. This unconventional quasi-particle scattering collectively underscores the vital role of the shadow bands'
spectral weight and the hidden matrix element effect, which are crucial for
controlling electronic properties in this system. Furthermore, our finding
points to the existence of rich and unexplored Fermi surface instabilities,
which potentially play a role in controlling the nature of long-range
antiferromagnetism at lower temperatures in the presence of finite charge-spin
interaction. |
| first_indexed | 2025-03-09T10:57:19Z |
| format | Journal Article |
| id | ntu-10356/182719 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2025-03-09T10:57:19Z |
| publishDate | 2025 |
| record_format | dspace |
| spelling | ntu-10356/1827192025-02-24T15:36:28Z Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 Smith, Barnaby R. M. Fujisawa, Yuita Wu, Ping Nakamura, Tomonori Tomoda, Nanami Kuniyoshi, Shingo Ueta, Daichi Kobayashi, Riki Okuma, Ryutaro Arai, K. Kuroda, Kenta Hsu, Chia-Hsiu Chang, Guoqing Huang, Chengyi Lin, Hsin Wang, Zhenyu Kondo, T. Okada, Yoshinori School of Physical and Mathematical Sciences Physics Fermi surface Antiferromagnetic materials The charge density wave (CDW) state is a widespread phenomenon in low-dimensional metals/semimetals. The spectral weight of the associated folded bands (shadow bands) can be an intriguing trigger leading to additional Fermi surface instability and unexplored phase transitions. The rare earth tri-telluride CeTe3 exhibits a single CDW stabilized below ~400 K and antiferromagnetism below ~3 K. The distinct periodicities between the Te-square net, the CeTe block layer, and the CDW give rise to rich shadow band formations. In this work, we reveal the predominant scattering between the original and shadow bands at 4 K, with the scattering within the original bands being relatively suppressed at Fermi energy. This unconventional quasi-particle scattering collectively underscores the vital role of the shadow bands' spectral weight and the hidden matrix element effect, which are crucial for controlling electronic properties in this system. Furthermore, our finding points to the existence of rich and unexplored Fermi surface instabilities, which potentially play a role in controlling the nature of long-range antiferromagnetism at lower temperatures in the presence of finite charge-spin interaction. Agency for Science, Technology and Research (A*STAR) Ministry of Education (MOE) Nanyang Technological University National Research Foundation (NRF) Submitted/Accepted version This work was supported by funding from the Quantum Material Science Unit, Okinawa Institute of Science and Technology Graduate University. This work was also supported by the JSPS KAKENHI (Grants No. JP21H04439, No. JP23K17351, and No. JP24K17017), by The Asahi Glass Foundation, by The Murata Science Foundation, and by The Mitsubishi Foundation. Work at Nanyang Technological University was supported by the National Research Foundation, Singapore, under its Fellowship Award (NRF-NRFF13-2021-0010), the Agency for Science, Technology and Research (A*STAR) under its Manufacturing, Trade and Connectivity (MTC) Individual Research Grant (IRG) (Grant No. M23M6c0100), Singapore Ministry of Education (MOE) AcRF Tier 2 grant (MOE-T2EP50222- 0014), and the Nanyang Assistant Professorship grant (NTU-SUG). The synchrotron radiation experiments were performed with the approval of Japan Synchrotron Radiation Research Institute (JASRI) (Proposals No. 2021A1259 and No. 2021A1317). 2025-02-19T01:06:47Z 2025-02-19T01:06:47Z 2024 Journal Article Smith, B. R. M., Fujisawa, Y., Wu, P., Nakamura, T., Tomoda, N., Kuniyoshi, S., Ueta, D., Kobayashi, R., Okuma, R., Arai, K., Kuroda, K., Hsu, C., Chang, G., Huang, C., Lin, H., Wang, Z., Kondo, T. & Okada, Y. (2024). Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3. Physical Review Materials, 8(10), 104004-. https://dx.doi.org/10.1103/PhysRevMaterials.8.104004 2475-9953 https://hdl.handle.net/10356/182719 10.1103/PhysRevMaterials.8.104004 2-s2.0-85206848504 10 8 104004 en NRF-NRFF13 2021-0010 M23M6c0100 MOE-T2EP50222-0014 NTU-SUG Physical Review Materials © 2024 American Physical Society. All rights reserved. This article may be downloaded for personal use only. Any other use requires prior permission of the copyright holder. The Version of Record is available online at http://doi.org/10.1103/PhysRevMaterials.8.104004 application/pdf |
| spellingShingle | Physics Fermi surface Antiferromagnetic materials Smith, Barnaby R. M. Fujisawa, Yuita Wu, Ping Nakamura, Tomonori Tomoda, Nanami Kuniyoshi, Shingo Ueta, Daichi Kobayashi, Riki Okuma, Ryutaro Arai, K. Kuroda, Kenta Hsu, Chia-Hsiu Chang, Guoqing Huang, Chengyi Lin, Hsin Wang, Zhenyu Kondo, T. Okada, Yoshinori Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 |
| title | Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 |
| title_full | Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 |
| title_fullStr | Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 |
| title_full_unstemmed | Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 |
| title_short | Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3 |
| title_sort | uncovering hidden fermi surface instabilities through visualizing unconventional quasiparticle interference in cete3 |
| topic | Physics Fermi surface Antiferromagnetic materials |
| url | https://hdl.handle.net/10356/182719 |
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