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Consistency between domain wall oscillation modes and spin wave modes in nanostrips |
| Xinwei Dong(董新伟)† and Zhenjiang Wu(吴振江) |
| Department of Physics and Institute of Theoretical Physics and Astrophysics, Xiamen University, Xiamen 361005, China |
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Abstract Investigations on domain wall (DW) and spin wave (SW) modes in a series of nanostrips with different widths and thicknesses have been carried out using micromagnetic simulation. The simulation results show that the frequencies of SW modes and the corresponding DW modes are consistent with each other if they have the same node number along the width direction. This consistency is more pronounced in wide and thin nanostrips, favoring the DW motion driven by SWs. Further analysis of the moving behavior of a DW driven by SWs is also carried out. The average DW speed can reach a larger value of $\sim 140 $m/s under two different SW sources. We argue that this study is very meaningful for the potential application of DW motion driven by SWs.
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Received: 17 November 2023
Revised: 29 January 2024
Accepted manuscript online: 19 February 2024
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PACS:
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75.78.-n
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(Magnetization dynamics)
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75.60.Ch
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(Domain walls and domain structure)
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75.78.Cd
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(Micromagnetic simulations ?)
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| Fund: Project supported by the Fundamental Research Funds for the Central Universities (Grant No. 20720210030) and the National Natural Science Foundation of China (Grant No. 11204255). |
Corresponding Authors:
Xinwei Dong
E-mail: dongxw@xmu.edu.cn
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Cite this article:
Xinwei Dong(董新伟) and Zhenjiang Wu(吴振江) Consistency between domain wall oscillation modes and spin wave modes in nanostrips 2024 Chin. Phys. B 33 067502
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