Regensburg 2025 – scientific programme
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MA: Fachverband Magnetismus
MA 6: Skyrmions I
MA 6.10: Talk
Monday, March 17, 2025, 17:45–18:00, H16
The impact of magnetic anisotropy on the stability of antiskyrmions in schreibersite magnets — •Mamoun Hemmida1, Jan Masell2,3, Kosuke Karube3, Dieter Ehlers1, Hans-Albrecht Krug von Nidda1, Vladimir Tsurkan1,4, Yoshinori Tokura3,5,6, Yasujiro Taguchi3, and Istvan Kezsmarki1 — 1Experimental Physics V, Center for Electronic Correlations and Magnetism, Institute for Physics, University of Augsburg, Germany — 2Institute of Theoretical Solid State Physics, Karlsruhe Institute of Technology, Germany — 3RIKEN Center for Emergent Matter Science, Japan — 4Institute of Applied Physics, Academy of Sciences of Moldova, Republic of Moldova — 5Department of Applied Physics and Quantum-Phase Electronics Center, University of Tokyo, Japan — 6Tokyo College, University of Tokyo, Japan
Magnetic anisotropy is a fundamental property of magnetic materials that plays an essential role in the stability of magnetic domains and skyrmions. In this ferromagnetic resonance (FMR) study we report the evolution of magnetic anisotropy by substituting various 4d metals in the easy-plane schreibersite magnet (Fe,Ni)3P with S4 tetragonal symmetry,Hemmida2024. Starting from easy-plane anisotropy, Pd doping turns (Fe,Ni)3P to an easy-axis-type magnet. As a consequence, antiskyrmions are created. FMR study of the planar anisotropy proofs a fourfold symmetry as expected for the tetragonal crystal structure. The corresponding planar anisotropy parameter is an order of magnitude smaller than the uniaxial one. Hemmida2024 M. Hemmida, et al., Phys. Rev. B 110, 054416 (2024).
Keywords: Ferromagnetic Resonance; Magnetic anisotropy and antiskyrmions; Schreibersite magnets; Tetragonal symmetry; Micromagnetic simulations