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Intrinsic stability of magnetic anti-skyrmions in the tetragonal inverse Heusler compound Mn1.4Pt0.9Pd0.1Sn

Author

Listed:
  • Rana Saha

    (Max Planck Institute of Microstructure Physics)

  • Abhay K. Srivastava

    (Max Planck Institute of Microstructure Physics
    Institute of Physics, Martin Luther University, Halle-Wittenberg)

  • Tianping Ma

    (Max Planck Institute of Microstructure Physics
    Institute of Physics, Martin Luther University, Halle-Wittenberg)

  • Jagannath Jena

    (Max Planck Institute of Microstructure Physics
    Institute of Physics, Martin Luther University, Halle-Wittenberg)

  • Peter Werner

    (Max Planck Institute of Microstructure Physics)

  • Vivek Kumar

    (Max Planck Institute for Chemical Physics of Solids)

  • Claudia Felser

    (Max Planck Institute for Chemical Physics of Solids)

  • Stuart S. P. Parkin

    (Max Planck Institute of Microstructure Physics
    Institute of Physics, Martin Luther University, Halle-Wittenberg)

Abstract

Magnetic anti-skyrmions are one of several chiral spin textures that are of great current interest both for their topological characteristics and potential spintronic applications. Anti-skyrmions were recently observed in the inverse tetragonal Heusler material Mn1.4Pt0.9Pd0.1Sn. Here we show, using Lorentz transmission electron microscopy, that anti-skyrmions are found over a wide range of temperature and magnetic fields in wedged lamellae formed from single crystals of Mn1.4Pt0.9Pd0.1Sn for thicknesses ranging up to ~250 nm. The temperature-field stability window of the anti-skyrmions varies little with thickness. Using micromagnetic simulations we show that this intrinsic stability of anti-skyrmions can be accounted for by the symmetry of the crystal lattice which is imposed on that of the Dzyaloshinskii-Moriya exchange interaction. These distinctive behaviors of anti-skyrmions makes them particularly attractive for spintronic applications.

Suggested Citation

  • Rana Saha & Abhay K. Srivastava & Tianping Ma & Jagannath Jena & Peter Werner & Vivek Kumar & Claudia Felser & Stuart S. P. Parkin, 2019. "Intrinsic stability of magnetic anti-skyrmions in the tetragonal inverse Heusler compound Mn1.4Pt0.9Pd0.1Sn," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13323-x
    DOI: 10.1038/s41467-019-13323-x
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