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MA: Fachverband Magnetismus
MA 55: Skyrmions III
MA 55.6: Vortrag
Freitag, 13. März 2026, 10:45–11:00, HSZ/0004
Static and dynamic spin texture manipulation in Fe/Gd multilayers — Tim Titze1, Sabri Koraltan2,4, Timo Schmidt3, Mailin Matthies1, Florian Bruckner2, Claas Abert2, Amalio Fernández-Pacheco4, Dieter Suess2, Claus Ropers5, Manfred Albrecht3, Stefan Mathias1, and •Daniel Steil1 — 1Georg-August-Universität Göttingen — 2University of Vienna — 3University of Augsburg — 4Technical University of Vienna — 5Max-Planck Institute for Multidisciplinary Sciences, Göttingen
Topological spin textures can be created, annihilated and manipulated in Fe/Gd multilayers using adiabatic and non-adiabatic external stimuli like temperature, magnetic fields and ultrashort light pulses. In this talk, I will show various ways to control magnetic spin textures statically and dynamically in [Fe(0.35 nm)/Gd(0.40 nm)]160 multilayers, combining time-resolved magneto-optical Kerr spectroscopy with micromagnetic simulations and static magnetic imaging techniques. In particular, I will discuss different pathways for skyrmion creation [1,3], the use of in-plane fields as an additional control knob [4], as well as tailoring the skyrmion breathing mode using a two pulse excitation sequence [2].
[1] Adv. Funct. Mater. 34, 2313619 (2024)
[2] Phys. Rev. Lett. 133, 156701 (2024)
[3] Phys. Rev. B 112, 064413 (2025)
[4] arXiv:2510.21320 (2025)
Keywords: Magnetic texture; Skyrmions; Topological order; Spin waves; Magnetization dynamics