Direct Observation of Room-Temperature Magnetic Skyrmion Motion Driven by Ultra-Low Current Density in Van Der Waals Ferromagnets

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dc.contributor.authorJi, Yubinko
dc.contributor.authorYang, Seungmoko
dc.contributor.authorAhn, Hyo-Binko
dc.contributor.authorMoon, Kyuong-Woongko
dc.contributor.authorJu, Tae-Seongko
dc.contributor.authorIm, Mi-Youngko
dc.contributor.authorHan, Hee-Sungko
dc.contributor.authorLee, Jisungko
dc.contributor.authorPark, Seung-Youngko
dc.contributor.authorLee, Changguko
dc.contributor.authorKim, Kab-Jinko
dc.contributor.authorHwang, Chanyongko
dc.date.accessioned2024-02-13T21:00:26Z-
dc.date.available2024-02-13T21:00:26Z-
dc.date.created2024-02-14-
dc.date.created2024-02-14-
dc.date.created2024-02-14-
dc.date.created2024-02-14-
dc.date.issued2024-05-
dc.identifier.citationADVANCED MATERIALS, v.36, no.21-
dc.identifier.issn0935-9648-
dc.identifier.urihttp://hdl.handle.net/10203/318043-
dc.description.abstractThe recent discovery of room-temperature ferromagnetism in 2D van der Waals (vdW) materials, such as Fe3GaTe2 (FGaT), has garnered significant interest in offering a robust platform for 2D spintronic applications. Various fundamental operations essential for the realization of 2D spintronics devices are experimentally confirmed using these materials at room temperature, such as current-induced magnetization switching or tunneling magnetoresistance. Nevertheless, the potential applications of magnetic skyrmions in FGaT systems at room temperature remain unexplored. In this work, the current-induced generation of magnetic skyrmions in FGaT flakes employing high-resolution magnetic transmission soft X-ray microscopy is introduced, supported by a feasible mechanism based on thermal effects. Furthermore, direct observation of the current-induced magnetic skyrmion motion at room temperature in FGaT flakes is presented with ultra-low threshold current density. This work highlights the potential of FGaT as a foundation for room-temperature-operating 2D skyrmion device applications.,Current-induced magnetic skyrmion motion is directly visualized in 2D van der Waals (vdW) ferromagnet Fe3GaTe2 (FGaT) at room temperature. The electrical pulse can thermally generate the skyrmions under an external magnetic field. In addition, magnetic skyrmions are effectively driven by electrical current. The results demonstrate the feasibility of operating skyrmion devices at room temperature using 2D materials. image-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleDirect Observation of Room-Temperature Magnetic Skyrmion Motion Driven by Ultra-Low Current Density in Van Der Waals Ferromagnets-
dc.typeArticle-
dc.identifier.wosid001155400000001-
dc.identifier.scopusid2-s2.0-85183730448-
dc.type.rimsART-
dc.citation.volume36-
dc.citation.issue21-
dc.citation.publicationnameADVANCED MATERIALS-
dc.contributor.localauthorKim, Kab-Jin-
dc.contributor.nonIdAuthorYang, Seungmo-
dc.contributor.nonIdAuthorAhn, Hyo-Bin-
dc.contributor.nonIdAuthorMoon, Kyuong-Woong-
dc.contributor.nonIdAuthorJu, Tae-Seong-
dc.contributor.nonIdAuthorIm, Mi-Young-
dc.contributor.nonIdAuthorHan, Hee-Sung-
dc.contributor.nonIdAuthorLee, Jisung-
dc.contributor.nonIdAuthorPark, Seung-Young-
dc.contributor.nonIdAuthorLee, Changgu-
dc.contributor.nonIdAuthorHwang, Chanyong-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthor2D ferromagnets-
dc.subject.keywordAuthorskyrmion-
dc.subject.keywordAuthorspintronics-
dc.subject.keywordPlusINTRINSIC FERROMAGNETISM-
dc.subject.keywordPlusDYNAMICS-
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