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  Unveiling the three-dimensional magnetic texture of skyrmion tubes

Wolf, D., Schneider, S., Rößler, U., Kovács, A., Schmidt, M., Dunin-Borkowski, R., et al. (2021). Unveiling the three-dimensional magnetic texture of skyrmion tubes. Nature Nanotechnology, 1-10. doi:10.1038/s41565-021-01031-x.

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 Creators:
Wolf, D.1, Author
Schneider, S.1, Author
Rößler, U.K.1, Author
Kovács, A.1, Author
Schmidt, Marcus2, Author              
Dunin-Borkowski, R.E.1, Author
Büchner, B.1, Author
Rellinghaus, B.1, Author
Lubk, A.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415              

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Free keywords: Electric impedance tomography; Electrons; Germanium compounds; Iron compounds; Magnetism; Solitons; Textures, Information carriers; Magnetic textures; Nanometre resolution; Non-coplanar; Skyrmions; Spin structures; Spin textures; Surfaces and interfaces; Topological soliton; Vector fields, Image reconstruction
 Abstract: Magnetic skyrmions are stable topological solitons with complex non-coplanar spin structures. Their nanoscopic size and the low electric currents required to control their motion has opened a new field of research, skyrmionics, that aims for the usage of skyrmions as information carriers. Further advances in skyrmionics call for a thorough understanding of their three-dimensional (3D) spin texture, skyrmion–skyrmion interactions and the coupling to surfaces and interfaces, which crucially affect skyrmion stability and mobility. Here, we quantitatively reconstruct the 3D magnetic texture of Bloch skyrmions with sub-10-nanometre resolution using holographic vector-field electron tomography. The reconstructed textures reveal local deviations from a homogeneous Bloch character within the skyrmion tubes, details of the collapse of the skyrmion texture at surfaces and a correlated modulation of the skyrmion tubes in FeGe along their tube axes. Additionally, we confirm the fundamental principles of skyrmion formation through an evaluation of the 3D magnetic energy density across these magnetic solitons. © 2021, The Author(s).

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Language(s): eng - English
 Dates: 2021-12-202021-12-20
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1038/s41565-021-01031-x
BibTex Citekey: Wolf2021
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Title: Nature Nanotechnology
  Other : Nat. Nanotechnol.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1 - 10 Identifier: ISSN: 1748-3387
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000239770