中国物理B ›› 2025, Vol. 34 ›› Issue (2): 27501-027501.doi: 10.1088/1674-1056/ad9892

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Strain-manipulated dispersion characteristics of magnonic crystals with Dzyaloshinskii-Moriya interaction and applications on spin-wave devices

Chuhan Zhou(周楚涵)1, Xiaotian Jiao(焦晓天)2, Jiaxi Xu(徐佳熙)1, Zhaonian Jin(金兆年)1, Lin Chen(陈琳)2, and Zhikuo Tao(陶志阔)2,†   

  1. 1 Bell Honors School, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
    2 College of Electronic and Optical Engineering & College of Flexible Electronics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • 收稿日期:2024-07-25 修回日期:2024-11-26 接受日期:2024-11-29 出版日期:2025-02-15 发布日期:2025-01-15
  • 通讯作者: Zhikuo Tao E-mail:zktao@njupt.edu.cn

Strain-manipulated dispersion characteristics of magnonic crystals with Dzyaloshinskii-Moriya interaction and applications on spin-wave devices

Chuhan Zhou(周楚涵)1, Xiaotian Jiao(焦晓天)2, Jiaxi Xu(徐佳熙)1, Zhaonian Jin(金兆年)1, Lin Chen(陈琳)2, and Zhikuo Tao(陶志阔)2,†   

  1. 1 Bell Honors School, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
    2 College of Electronic and Optical Engineering & College of Flexible Electronics, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • Received:2024-07-25 Revised:2024-11-26 Accepted:2024-11-29 Online:2025-02-15 Published:2025-01-15
  • Contact: Zhikuo Tao E-mail:zktao@njupt.edu.cn

摘要: Dispersion characteristics of magnonic crystals have attracted considerable attention because of the potential applications for spin-wave devices. In this work, we investigated the strain-manipulated dispersion characteristics of magnonic crystals with Dzyaloshinskii-Moriya interaction (DMI) and discussed the potential applications in spin-wave devices. Here, the ground states and stabilities of the magnonic crystals were investigated. Then, the strain-manipulated dispersion characteristics of the magnonic crystals based on domains and skyrmions were studied. The simulation results indicated that, the applied strain could manipulate the band widths and the positions of the allowed frequency bands. Finally, the realization of magnonic crystal heterojunctions and potential applications in spin-wave devices, such as filters, diodes, and transistors based on strain-manipulated magnonic crystals were proposed. Our research provides a theoretical foundation for designing tunable spin-wave devices based on strain-manipulated magnonic crystals with DMI.

关键词: magnonic crystal, spin wave, dispersion relation, skyrmion, domain

Abstract: Dispersion characteristics of magnonic crystals have attracted considerable attention because of the potential applications for spin-wave devices. In this work, we investigated the strain-manipulated dispersion characteristics of magnonic crystals with Dzyaloshinskii-Moriya interaction (DMI) and discussed the potential applications in spin-wave devices. Here, the ground states and stabilities of the magnonic crystals were investigated. Then, the strain-manipulated dispersion characteristics of the magnonic crystals based on domains and skyrmions were studied. The simulation results indicated that, the applied strain could manipulate the band widths and the positions of the allowed frequency bands. Finally, the realization of magnonic crystal heterojunctions and potential applications in spin-wave devices, such as filters, diodes, and transistors based on strain-manipulated magnonic crystals were proposed. Our research provides a theoretical foundation for designing tunable spin-wave devices based on strain-manipulated magnonic crystals with DMI.

Key words: magnonic crystal, spin wave, dispersion relation, skyrmion, domain

中图分类号:  (Spin waves)

  • 75.30.Ds
75.80.+q (Magnetomechanical effects, magnetostriction) 85.70.Ay (Magnetic device characterization, design, and modeling) 12.39.Dc (Skyrmions)