Researchers succeed in capturing 3D X-ray images of a Skyrmion
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.
A 3D reconstruction of a skyrmion derived from X-ray images. Credit: Berkeley Lab
Researchers at Lawrence Berkeley National Laboratory, Swiss Light Source (Paul Scherrer Institute) and Western Digital Research Center have used soft x-ray laminography to 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.
Source: http://www.spintronics-info.com/researchers-succeed-capturing-3d-x-ray-images-skyrmion
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