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Magnetic skyrmion braids

Author

Listed:
  • Fengshan Zheng

    (Forschungszentrum Jülich)

  • Filipp N. Rybakov

    (KTH-Royal Institute of Technology)

  • Nikolai S. Kiselev

    (Forschungszentrum Jülich and JARA)

  • Dongsheng Song

    (Forschungszentrum Jülich
    Institutes of Physical Science and Information Technology, Anhui University)

  • András Kovács

    (Forschungszentrum Jülich)

  • Haifeng Du

    (Chinese Academy of Science (CAS))

  • Stefan Blügel

    (Forschungszentrum Jülich and JARA)

  • Rafal E. Dunin-Borkowski

    (Forschungszentrum Jülich)

Abstract

Skyrmions are vortex-like spin textures that form strings in magnetic crystals. Due to the analogy to elastic strings, skyrmion strings are naturally expected to braid and form complex three-dimensional patterns, but this phenomenon has not been explored yet. We found that skyrmion strings can form braids in cubic crystals of chiral magnets. This finding is confirmed by direct observations of skyrmion braids in B20-type FeGe using transmission electron microscopy. The theoretical analysis predicts that the discovered phenomenon is general for a wide family of chiral magnets. These findings have important implications for skyrmionics and propose a solid-state framework for applications of the mathematical theory of braids.

Suggested Citation

  • Fengshan Zheng & Filipp N. Rybakov & Nikolai S. Kiselev & Dongsheng Song & András Kovács & Haifeng Du & Stefan Blügel & Rafal E. Dunin-Borkowski, 2021. "Magnetic skyrmion braids," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-25389-7
    DOI: 10.1038/s41467-021-25389-7
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    Cited by:

    1. Xiaowei Lv & Hualiang Lv & Yalei Huang & Ruixuan Zhang & Guanhua Qin & Yihui Dong & Min Liu & Ke Pei & Guixin Cao & Jincang Zhang & Yuxiang Lai & Renchao Che, 2024. "Distinct skyrmion phases at room temperature in two-dimensional ferromagnet Fe3GaTe2," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. M. T. Birch & D. Cortés-Ortuño & K. Litzius & S. Wintz & F. Schulz & M. Weigand & A. Štefančič & D. A. Mayoh & G. Balakrishnan & P. D. Hatton & G. Schütz, 2022. "Toggle-like current-induced Bloch point dynamics of 3D skyrmion strings in a room temperature nanowire," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Hongrui Zhang & Yu-Tsun Shao & Xiang Chen & Binhua Zhang & Tianye Wang & Fanhao Meng & Kun Xu & Peter Meisenheimer & Xianzhe Chen & Xiaoxi Huang & Piush Behera & Sajid Husain & Tiancong Zhu & Hao Pan , 2024. "Spin disorder control of topological spin texture," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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