Spin-torque ferromagnetic resonance for complex signal extraction with tunable linewidth
The signal of spin-torque ferromagnetic resonance (ST-FMR) primarily consists of microwave absorption resonance in the ferromagnetic layer and spin–orbit torque (SOT) absorption resonance, with SOT efficiency strictly dependent on the applied current. Based on this, we propose an ST-FMR-based filter that not only enables the selection of specific frequency signals through magnetic field modulation but also allows precise tuning of signal linewidth via current control. This study provides insights into using spintronic devices for advanced signal processing applications.
Authors
- Xiaojing Wu (ORCID: https://orcid.org/0000-0002-8691-1619)
- R.-P. Wang
- Yuejie Zhang (ORCID: https://orcid.org/0000-0002-6970-129X)
- Shaoqing Chen (ORCID: https://orcid.org/0000-0002-6700-292X)
- Chengjie Zuo (ORCID: https://orcid.org/0000-0002-7520-349X)
- Jun Xu (ORCID: https://orcid.org/0000-0001-9829-4382)
- Chen Liang (ORCID: https://orcid.org/0000-0001-5432-1035)
- Zhaochu Luo (ORCID: https://orcid.org/0000-0002-7543-3244)
- P. B. Parchinskiy (ORCID: https://orcid.org/0009-0008-3812-9383)
- Shiming Lei (ORCID: https://orcid.org/0000-0001-8041-7161)
- Han Wang (ORCID: https://orcid.org/0000-0001-5121-3362)
- Peng Li (ORCID: https://orcid.org/0000-0003-0438-7209)
- Yuanyuan Shi (ORCID: https://orcid.org/0000-0002-4836-6752)
- Xinyue Zhu (ORCID: https://orcid.org/0009-0003-4559-0788)
Institutions
- University of Science and Technology of China (CN)
- Hong Kong University of Science and Technology (HK)
- Peking University (CN)
- Midea Group (China) (CN)
- National University of Uzbekistan (UZ)
- University of Hong Kong (HK)
Publication Details
- Journal
- Applied Physics Letters
- Published
- 2025-05-19
- DOI
- https://doi.org/10.1063/5.0252818
- Primary Topic
- Magnetic properties of thin films
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Natural Science Foundation of China
- National Key Research and Development Program of China