Stray field signatures of Néel textured skyrmions in Ir/Fe/Co/Pt multilayer films
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 i...
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| creator | Yagil, A Almoalem, A Soumyanarayanan, Anjan Tan, Anthony K C Raju, M Panagopoulos, C Auslaender, O M |
| description | 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. |
| doi_str_mv | 10.48550/arxiv.1705.07608 |
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| subjects | Cobalt Helicity Hypothetical particles Inhomogeneity Iridium Iron Magnetic fields Multilayers Multipoles Particle theory Platinum Signatures Topology |
| title | Stray field signatures of Néel textured skyrmions in Ir/Fe/Co/Pt multilayer films |
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