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

Saha, Rana; Srivastava, Abhay K.; Ma, Tianping; Jena, Jagannath; Werner, Peter; Kumar, Vivek; Felser, Claudia; Parkin, Stuart S. P.

doi:10.1038/s41467-019-13323-x

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Intrinsic stability of magnetic anti-skyrmions in the tetragonal inverse Heusler compound Mn_1.4Pt_0.9Pd_0.1Sn

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Kumar, Vivek
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser, Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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引用

Saha, R., Srivastava, A. K., Ma, T., Jena, J., Werner, P., Kumar, V., Felser, C., & Parkin, S. S. P. (2019). Intrinsic stability of magnetic anti-skyrmions in the tetragonal inverse Heusler compound Mn_1.4Pt_0.9Pd_0.1Sn. Nature Communications, 10(1):, pp. 1-7. doi:10.1038/s41467-019-13323-x.

引用: https://hdl.handle.net/21.11116/0000-0005-4F9C-4

要旨

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.