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Control of morphology and formation of highly geometrically confined magnetic skyrmions

Author

Listed:
  • Chiming Jin

    (The Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Science (CAS)
    University of Science and Technology of China)

  • Zi-An Li

    (Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich
    Faculty of Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen
    Institute of Physics, Chinese Academy of Sciences)

  • András Kovács

    (Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich)

  • Jan Caron

    (Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich)

  • Fengshan Zheng

    (Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich)

  • Filipp N. Rybakov

    (M.N. Miheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences
    Ural Federal University
    KTH Royal Institute of Technology)

  • Nikolai S. Kiselev

    (Peter Grünberg Institute and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA)

  • Haifeng Du

    (The Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Science (CAS)
    Collaborative Innovation Center of Advanced Microstructures, Nanjing University)

  • Stefan Blügel

    (Peter Grünberg Institute and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA)

  • Mingliang Tian

    (The Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Science (CAS)
    Collaborative Innovation Center of Advanced Microstructures, Nanjing University)

  • Yuheng Zhang

    (The Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions, High Magnetic Field Laboratory, Chinese Academy of Science (CAS)
    Collaborative Innovation Center of Advanced Microstructures, Nanjing University)

  • Michael Farle

    (Faculty of Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen
    Center of Functionalized Magnetic Materials, Immanuel Kant Baltic Federal University)

  • Rafal E Dunin-Borkowski

    (Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich)

Abstract

The ability to controllably manipulate magnetic skyrmions, small magnetic whirls with particle-like properties, in nanostructured elements is a prerequisite for incorporating them into spintronic devices. Here, we use state-of-the-art electron holographic imaging to directly visualize the morphology and nucleation of magnetic skyrmions in a wedge-shaped FeGe nanostripe that has a width in the range of 45–150 nm. We find that geometrically-confined skyrmions are able to adopt a wide range of sizes and ellipticities in a nanostripe that are absent in both thin films and bulk materials and can be created from a helical magnetic state with a distorted edge twist in a simple and efficient manner. We perform a theoretical analysis based on a three-dimensional general model of isotropic chiral magnets to confirm our experimental results. The flexibility and ease of formation of geometrically confined magnetic skyrmions may help to optimize the design of skyrmion-based memory devices.

Suggested Citation

  • Chiming Jin & Zi-An Li & András Kovács & Jan Caron & Fengshan Zheng & Filipp N. Rybakov & Nikolai S. Kiselev & Haifeng Du & Stefan Blügel & Mingliang Tian & Yuheng Zhang & Michael Farle & Rafal E Duni, 2017. "Control of morphology and formation of highly geometrically confined magnetic skyrmions," Nature Communications, Nature, vol. 8(1), pages 1-9, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15569
    DOI: 10.1038/ncomms15569
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    Cited by:

    1. Dongsheng Song & Weiwei Wang & Shuisen Zhang & Yizhou Liu & Ning Wang & Fengshan Zheng & Mingliang Tian & Rafal E. Dunin-Borkowski & Jiadong Zang & Haifeng Du, 2024. "Steady motion of 80-nm-size skyrmions in a 100-nm-wide track," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. J. Klein & T. Pham & J. D. Thomsen & J. B. Curtis & T. Denneulin & M. Lorke & M. Florian & A. Steinhoff & R. A. Wiscons & J. Luxa & Z. Sofer & F. Jahnke & P. Narang & F. M. Ross, 2022. "Control of structure and spin texture in the van der Waals layered magnet CrSBr," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Peter Meisenheimer & Hongrui Zhang & David Raftrey & Xiang Chen & Yu-Tsun Shao & Ying-Ting Chan & Reed Yalisove & Rui Chen & Jie Yao & Mary C. Scott & Weida Wu & David A. Muller & Peter Fischer & Robe, 2023. "Ordering of room-temperature magnetic skyrmions in a polar van der Waals magnet," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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