Stray field signatures of Néel textured skyrmions in Ir/Fe/Co/Pt multilayer films
arXiv:1705.07608 · doi:10.1063/1.5027602
Abstract
Skyrmions are nanoscale spin configurations with topological properties that hold great promise for spintronic devices. Here, we establish their Néel texture, helicity, and size in Ir/Fe/Co/Pt multilayer films by constructing a multipole expansion to model their stray field signatures and applying it to magnetic force microscopy (MFM) images. Furthermore, the demonstrated sensitivity to inhomogeneity in skyrmion properties, coupled with a unique capability to estimate the pinning force governing dynamics, portends broad applicability in the burgeoning field of topological spin textures.
arXiv comment6 pages, 4 figures, significantly revised and upgraded. For the updated supplementary material please contact one of the corresponding authors
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Cited by in corpus (17)
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- Topological domain walls in helimagnets
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- Skyrmion-based Magnetic Traps for Ultracold Atoms