| Title | Long-Distance Coherent Propagation of High-Velocity Antiferromagnetic Spin Waves |
| Author | |
| Publication Years | 2023-03-03
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| DOI | |
| Source Title | |
| ISSN | 0031-9007
|
| EISSN | 1079-7114
|
| Volume | 130 |
| Abstract | We report on coherent propagation of antiferromagnetic (AFM) spin waves over a long distance (∼10 μm) at room temperature in a canted AFM α-Fe2O3 owing to the Dzyaloshinskii-Moriya interaction (DMI). Unprecedented high group velocities (up to 22.5 km/s) are characterized by microwave transmission using all-electrical spin wave spectroscopy. We derive analytically AFM spin-wave dispersion in the presence of the DMI which accounts for our experimental results. The AFM spin waves excited by nanometric coplanar waveguides have large wave vectors in the exchange regime and follow a quasilinear dispersion relation. Fitting of experimental data with our theoretical model yields an AFM exchange stiffness length of 1.7 Å. Our results provide key insights on AFM spin dynamics and demonstrate high-speed functionality for AFM magnonics. © 2023 American Physical Society. |
| Indexed By | |
| Language | English
|
| Important Publications | NI Journal Papers
|
| SUSTech Authorship | Others
|
| Funding Project | The authors thank M. Elyasi, P. Gambardella, K. Yamamoto, and S. Maekawa for their helpful discussions. We wish to acknowledge the support by the National Key Research and Development Program of China, Grants No. 2022YFA1402801 and No. 2022YFA1402603; NSF China under Grants No. 12074026, No. 52225106, No. 12241404, and No. U1801661; China Scholarship Council (CSC) under Grant No. 202206020091; and the Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology (Grant No. SIQSE202007).
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| Publisher | |
| EI Accession Number | 20231113702454
|
| EI Keywords | Antiferromagnetism
; Coplanar waveguides
; Dispersion (waves)
; Hematite
; Spin dynamics
|
| ESI Classification Code | Minerals:482.2
; Magnetism: Basic Concepts and Phenomena:701.2
; Waveguides:714.3
; Atomic and Molecular Physics:931.3
|
| ESI Research Field | PHYSICS
|
| Data Source | EV Compendex
|
| Citation statistics |
Cited Times [WOS]:0
|
| Document Type | Journal Article |
| Identifier | http://kc.sustech.edu.cn/handle/2SGJ60CL/519711 |
| Department | Department of Physics 量子科学与工程研究院 |
| Affiliation | 1.Fert Beijing Institute, Miit Key Laboratory of Spintronics, School of Integrated Circuit Science and Engineering, Beihang University, Beijing; 100191, China 2.International Quantum Academy, Shenzhen; 518048, China 3.Department of Materials, Eth Zurich, Zurich; 8093, Switzerland 4.Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing; 100084, China 5.Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen; 518055, China 6.Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne; 1015, Switzerland |
| Recommended Citation GB/T 7714 |
Wang, Hanchen,Yuan, Rundong,Zhou, Yongjian,et al. Long-Distance Coherent Propagation of High-Velocity Antiferromagnetic Spin Waves[J]. PHYSICAL REVIEW LETTERS,2023,130.
|
| APA |
Wang, Hanchen.,Yuan, Rundong.,Zhou, Yongjian.,Zhang, Yuelin.,Chen, Jilei.,...&Yu, Haiming.(2023).Long-Distance Coherent Propagation of High-Velocity Antiferromagnetic Spin Waves.PHYSICAL REVIEW LETTERS,130.
|
| MLA |
Wang, Hanchen,et al."Long-Distance Coherent Propagation of High-Velocity Antiferromagnetic Spin Waves".PHYSICAL REVIEW LETTERS 130(2023).
|
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