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Orientation-dependent current-induced motion of skyrmions with various topologies

Orientation-dependent current-induced motion of skyrmions with various topologies

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WEISSENHOFER, Markus, Ulrich NOWAK, 2019. Orientation-dependent current-induced motion of skyrmions with various topologies. In: Physical Review B. 99(22), 224430. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.99.224430

@article{Weienhofer2019Orien-46429, title={Orientation-dependent current-induced motion of skyrmions with various topologies}, year={2019}, doi={10.1103/PhysRevB.99.224430}, number={22}, volume={99}, issn={2469-9950}, journal={Physical Review B}, author={Weißenhofer, Markus and Nowak, Ulrich}, note={Article Number: 224430} }

terms-of-use Orientation-dependent current-induced motion of skyrmions with various topologies Weißenhofer, Markus eng Nowak, Ulrich 2019-07-17T11:44:06Z 2019-07-17T11:44:06Z We study the current-driven motion of metastable localized spin structures with various topological charges in a (Pt<sub>0.95</sub>Ir<sub>0.05</sub>)/Fe bilayer on a Pd(111) surface by combining atomistic spin model simulations with an approach based on the generalized Thiele equation. We demonstrate that besides a distinct dependence on the topological charge itself the dynamic response of skyrmionic structures with topological charges Q=−1 and Q=3 to a spin-polarized current exhibits an orientation dependence. We further show that such an orientation dependence can be induced by applying an in-plane external field, possibly opening up a different pathway to the manipulation of skyrmion dynamics. Weißenhofer, Markus 2019 Nowak, Ulrich

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