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MA: Fachverband Magnetismus

MA 46: Poster II

MA 46.29: Poster

Thursday, March 21, 2024, 15:00–18:00, Poster C

Skyrmion dynamics in confined structures — •Thomas Brian Winkler1, Jan Rothörl1, Maarten Brems1, Grischa Beneke1, Hans Fangohr2, and Mathias Kläui11Institute of Physics, Johannes Gutenberg University, Staudinger Weg 7, 55128 Mainz, Germany — 2Max Planck Institute for the Structure and Dynamics of Matter Hamburg, Luruper Chaussee 149, 22761 Hamburg

Magnetic skyrmions are fascinating spin structures from a physics perspective due to their topological stabilization but are also considered for next-generation non-conventional computing devices [1,2]. Skyrmions must be hosted in a finite-sized sample for a device application, and the dynamics can differ from those in continuous film geometries. We investigate the dynamics of a driven confined skyrmion ensemble and find different meta-stable states to occur [3].

[1] K. Everschor-Sitte et al., Journal of Applied Physics 124, 240901 (2018). [2] K. Raab et al., Nat Commun 13, 6982 (2022) [3] Thomas Brian Winkler et al., arxiv:2303.16472 (2023)

Keywords: skyrmions; coarse-graining

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