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Real-space imaging of confined magnetic skyrmion tubes

Birch, M.T.; Cortés-Ortuño, D.; Turnbull, L.A.; Wilson, M.N.; Groß, F.; Träger, N.; Laurenson, A.; Bukin, N.; Moody, S.H.; Weigand, M.; Schütz, G.; Popescu, H.; Fan, R.; Steadman, P.; Verezhak, J.A.T.; Balakrishnan, G.; Loudon, J.C.; Twitchett-Harrison, A.C.; Hovorka, O.; Fangohr, H.; Ogrin, F.Y.; Gräfe, J.; Hatton, P.D.

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Authors

M.T. Birch

D. Cortés-Ortuño

M.N. Wilson

F. Groß

N. Träger

A. Laurenson

N. Bukin

S.H. Moody

M. Weigand

G. Schütz

H. Popescu

R. Fan

P. Steadman

J.A.T. Verezhak

G. Balakrishnan

J.C. Loudon

A.C. Twitchett-Harrison

O. Hovorka

H. Fangohr

F.Y. Ogrin

J. Gräfe



Abstract

Magnetic skyrmions are topologically nontrivial particles with a potential application as information elements in future spintronic device architectures. While they are commonly portrayed as two dimensional objects, in reality magnetic skyrmions are thought to exist as elongated, tube-like objects extending through the thickness of the host material. The study of this skyrmion tube state (SkT) is vital for furthering the understanding of skyrmion formation and dynamics for future applications. However, direct experimental imaging of skyrmion tubes has yet to be reported. Here, we demonstrate the real-space observation of skyrmion tubes in a lamella of FeGe using resonant magnetic x-ray imaging and comparative micromagnetic simulations, confirming their extended structure. The formation of these structures at the edge of the sample highlights the importance of confinement and edge effects in the stabilisation of the SkT state, opening the door to further investigations into this unexplored dimension of the skyrmion spin texture.

Citation

Birch, M., Cortés-Ortuño, D., Turnbull, L., Wilson, M., Groß, F., Träger, N., …Hatton, P. (2020). Real-space imaging of confined magnetic skyrmion tubes. Nature Communications, 11, Article 1726. https://doi.org/10.1038/s41467-020-15474-8

Journal Article Type Article
Acceptance Date Mar 13, 2020
Online Publication Date Apr 7, 2020
Publication Date 2020
Deposit Date Mar 28, 2020
Publicly Available Date Apr 8, 2020
Journal Nature Communications
Publisher Nature Research
Peer Reviewed Peer Reviewed
Volume 11
Article Number 1726
DOI https://doi.org/10.1038/s41467-020-15474-8

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This article is licensed under a Creative Commons<br /> Attribution 4.0 International License, which permits use, sharing,<br /> adaptation, distribution and reproduction in any medium or format, as long as you give<br /> appropriate credit to the original author(s) and the source, provide a link to the Creative<br /> Commons license, and indicate if changes were made. The images or other third party<br /> material in this article are included in the article’s Creative Commons license, unless<br /> indicated otherwise in a credit line to the material. If material is not included in the<br /> article’s Creative Commons license and your intended use is not permitted by statutory<br /> regulation or exceeds the permitted use, you will need to obtain permission directly from<br /> the copyright holder. To view a copy of this license, visit http://creativecommons.org/<br /> licenses/by/4.0/







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