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Elongation of skyrmions by Dzyaloshinskii–Moriya interaction in helimagnetic films

Dai, Ying-Ying; Wang, Han; Yang, Teng; Adeyeye, Adekunle O.; Zhang, Zhi-Dong

Elongation of skyrmions by Dzyaloshinskii–Moriya interaction in helimagnetic films Thumbnail


Authors

Ying-Ying Dai

Han Wang

Teng Yang

Zhi-Dong Zhang



Abstract

Distortion of skyrmions arouses much attention recently due to the exotic topological and dynamic properties. Investigating the formation mechanism and dynamical behavior of the deformed skyrmions promotes practical spintronic applications. Elongation, as a typical form of deformation, has been discovered both in experiments and in theories. However, the intrinsic mechanism is absent. Here, the coexistence of zero-field circular and elongated skyrmions in helimagnetic films is observed. The elongated skyrmions, which are determined by the intrinsic Dzyaloshinskii–Moriya interaction (DMI), carry the same topological charge as the circular ones and show the skyrmion Hall effect. Current-driven dynamics reveal again the significant role of the intrinsic DMI playing in the skyrmion elongation.

Citation

Dai, Y.-Y., Wang, H., Yang, T., Adeyeye, A. O., & Zhang, Z.-D. (2022). Elongation of skyrmions by Dzyaloshinskii–Moriya interaction in helimagnetic films. Rare Metals, 41(9), 3150-3159. https://doi.org/10.1007/s12598-022-02023-z

Journal Article Type Article
Acceptance Date Jan 19, 2022
Online Publication Date Jul 2, 2022
Publication Date 2022-09
Deposit Date Jul 18, 2022
Publicly Available Date Jul 2, 2023
Journal Rare Metals
Print ISSN 1001-0521
Electronic ISSN 1867-7185
Publisher Springer
Peer Reviewed Peer Reviewed
Volume 41
Issue 9
Pages 3150-3159
DOI https://doi.org/10.1007/s12598-022-02023-z
Public URL https://durham-repository.worktribe.com/output/1197401

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Copyright Statement
This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s12598-022-02023-z






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