ArticleScience advances2024
Quantifying the topology of magnetic skyrmions in three dimensions.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Investigations of spin textures at small length and short timescales with neutron, x-ray, and optical methods.Science advances · 2026Review
- Unconventional skyrmions in synthetic antiferromagnets.Nature materials · 2026Article
- Electrically writing a magnetic heliknoton in a chiral magnet.Nature materials · 2026Article
- Transient Antiskyrmion-Mediated Topological Transitions in Isotropic Magnets.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Curvature Induced Modifications of Chirality and Magnetic Configuration in Perpendicular Films.ACS nano · 2025Article
- Real space iterative reconstruction for vector tomography (RESIRE-V).Scientific reports · 2024Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Magnetic skyrmions have so far been treated as two-dimensional spin structures characterized by a topological winding number. However, in real systems with the finite thickness of the device material being larger than the magnetic exchange length, the skyrmion spin texture extends into the third dimension and cannot be assumed as homogeneous. Using soft x-ray laminography, we reconstruct with about 20-nanometer spatial (voxel) size the full three-dimensional spin texture of a skyrmion in an 800-nanometer-diameter and 95-nanometer-thin disk patterned into a 30× [iridium/cobalt/platinum] multilayered film. A quantitative analysis finds that the evolution of the radial profile of the topological skyrmion number is nonuniform across the thickness of the disk. Estimates of the micromagnetic energy densities suggest that the changes in topological profile are related to nonuniform competing energetic interactions. Our results provide a foundation for nanoscale metrology for spintronics devices using topology as a design parameter.
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Registered trials
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