期刊
APPLIED PHYSICS LETTERS
卷 112, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5027602
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资金
- Israel Science Foundation [1897/14]
- Ministry of Education (MoE)-Academic Research Fund [MOE2014-T2-1-050]
- National Research Foundation-NRF Investigatorship [NRF-NRFI2015-04]
- A*STAR Pharos Fund [1527400026]
Skyrmions are nanoscale spin configurations with topological properties that hold great promise for spintronic devices. Here, we establish their Neel 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 images. Furthermore, the demonstrated sensitivity to inhomogeneity in skyrmion properties, coupled with a unique capability to estimate the pinning force governing dynamics, portend broad applicability in the burgeoning field of topological spin textures. Published by AIP Publishing.
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