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Article: Topological transformation of synthetic ferromagnetic skyrmions: thermal assisted switching of helicity by spin-orbit torque

TitleTopological transformation of synthetic ferromagnetic skyrmions: thermal assisted switching of helicity by spin-orbit torque
Authors
Wu, KaiZhao, YueleiHao, HongyuanYang, ShengLi, ShuangLiu, QingfangZhang, SenfuZhang, XixiangÅkerman, JohanXi, LiZhang, YingCai, KaimingZhou, Yan
Issue Date2-Dec-2024
PublisherSpringer Nature
Citation
Nature Communications, 2024, v. 15, n. 1, p. 1-6 How to Cite?
DOI: http://dx.doi.org/10.1038/s41467-024-54851-5
Abstract

This study demonstrates the controllable switching of skyrmion helicity using spin-orbit torque, enhanced by thermal effects. Electric current pulses applied to a [Pt/Co]3/Ru/[Co/Pt]3 multilayer stripe drive skyrmions in a direction opposite to the current flow. Continuous pulsing results in an unexpected reversal of skyrmion motion. Micromagnetic simulations reveal that skyrmions in the upper and lower ferromagnetic layers exhibit distinct helicities, forming a hybrid synthetic skyrmion. The helicity switch of this hybrid structure accounts for the motion reversal. This study introduces innovative helicity control methods, advancing spintronic device applications, including data storage and quantum computing based on skyrmion helicity.


Persistent Identifierhttp://hdl.handle.net/10722/355093
ISSN
2041-1723
2023 Impact Factor: 14.7
2023 SCImago Journal Rankings: 4.887

 

DC FieldValueLanguage
dc.contributor.authorWu, Kai-
dc.contributor.authorZhao, Yuelei-
dc.contributor.authorHao, Hongyuan-
dc.contributor.authorYang, Sheng-
dc.contributor.authorLi, Shuang-
dc.contributor.authorLiu, Qingfang-
dc.contributor.authorZhang, Senfu-
dc.contributor.authorZhang, Xixiang-
dc.contributor.authorÅkerman, Johan-
dc.contributor.authorXi, Li-
dc.contributor.authorZhang, Ying-
dc.contributor.authorCai, Kaiming-
dc.contributor.authorZhou, Yan-
dc.date.accessioned2025-03-27T00:35:24Z-
dc.date.available2025-03-27T00:35:24Z-
dc.date.issued2024-12-02-
dc.identifier.citationNature Communications, 2024, v. 15, n. 1, p. 1-6-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10722/355093-
dc.description.abstract<p>This study demonstrates the controllable switching of skyrmion helicity using spin-orbit torque, enhanced by thermal effects. Electric current pulses applied to a [Pt/Co]3/Ru/[Co/Pt]3 multilayer stripe drive skyrmions in a direction opposite to the current flow. Continuous pulsing results in an unexpected reversal of skyrmion motion. Micromagnetic simulations reveal that skyrmions in the upper and lower ferromagnetic layers exhibit distinct helicities, forming a hybrid synthetic skyrmion. The helicity switch of this hybrid structure accounts for the motion reversal. This study introduces innovative helicity control methods, advancing spintronic device applications, including data storage and quantum computing based on skyrmion helicity.</p>-
dc.languageeng-
dc.publisherSpringer Nature-
dc.relation.ispartofNature Communications-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleTopological transformation of synthetic ferromagnetic skyrmions: thermal assisted switching of helicity by spin-orbit torque-
dc.typeArticle-
dc.identifier.doi10.1038/s41467-024-54851-5-
dc.identifier.pmid39622790-
dc.identifier.scopuseid_2-s2.0-85211213419-
dc.identifier.volume15-
dc.identifier.issue1-
dc.identifier.spage1-
dc.identifier.epage6-
dc.identifier.eissn2041-1723-
dc.identifier.issnl2041-1723-

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