Spin-torque ferromagnetic resonance for complex signal extraction with tunable linewidth
Xiaojing WuSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,R.-P. WangSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,Xinyue ZhuState Key Laboratory for Mesoscopic Physics, School of Physics, Peking University 2 , Beijing,Jun XuSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,Shaoqing ChenSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,Liang ChenZhaochu LuoState Key Laboratory for Mesoscopic Physics, School of Physics, Peking University 2 , Beijing,Yuanyuan ShiSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,Han WangDepartment of Electrical and Electronic Engineering, University of Hong Kong 4 , Hong Kong,Shiming LeiDepartment of Physics, Hong Kong University of Science and Technology 5 , Clear Water Bay, Hong Kong,P. B. ParchinskiyDepartment of Semiconductor and Polymer Physics, National University of Uzbekistan 6 , Tashkent 100174,Yuejie ZhangCorporate Research Center 7 , Midea Group, Foshan 528311,Chengjie ZuoSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,Peng LiSchool of Microelectronics, University of Science and Technology of China 1 , Hefei,
ABI
Аннотация
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.
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