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강상관계 물질 연구단
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Gigantic Current Control of Coercive Field and Magnetic Memory Based on Nanometer-Thin Ferromagnetic van der Waals Fe3GeTe2

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dc.contributor.authorKaixuan Zhang-
dc.contributor.authorHan, Seungyun-
dc.contributor.authorYoujin Lee-
dc.contributor.authorMatthew J. Coak-
dc.contributor.authorJunghyun Kim-
dc.contributor.authorInho Hwang-
dc.contributor.authorSuhan Son-
dc.contributor.authorShin, Jeacheol-
dc.contributor.authorLim, Mijin-
dc.contributor.authorJo, Daegeun-
dc.contributor.authorKim, Kyoo-
dc.contributor.authorKim, Dohun-
dc.contributor.authorLee, Hyun-Woo-
dc.contributor.authorJe-Geun Park-
dc.date.accessioned2021-07-21T02:30:23Z-
dc.date.accessioned2021-07-21T02:30:23Z-
dc.date.available2021-07-21T02:30:23Z-
dc.date.available2021-07-21T02:30:23Z-
dc.date.created2020-12-30-
dc.date.issued2021-01-
dc.identifier.issn0935-9648-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/9984-
dc.description.abstractControlling magnetic states by a small current is essential for the next-generation of energy-efficient spintronic devices. However, it invariably requires considerable energy to change a magnetic ground state of intrinsically quantum nature governed by fundamental Hamiltonian, once stabilized below a phase-transition temperature. Here, it is reported that, surprisingly, an in-plane current can tune the magnetic state of the nanometer-thin van der Waals ferromagnet Fe3GeTe2 from a hard magnetic state to a soft magnetic state. It is a direct demonstration of the current-induced substantial reduction of the coercive field. This surprising finding is possible because the in-plane current produces a highly unusual type of gigantic spin-orbit torque for Fe3GeTe2. In addition, a working model of a new nonvolatile magnetic memory based on the principle of the discovery in Fe3GeTe2, controlled by a tiny current, is further demonstrated. The findings open up a new window of exciting opportunities for magnetic van der Waals materials with potentially huge impact on the future development of spintronic and magnetic memory.-
dc.description.uri1-
dc.language영어-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleGigantic Current Control of Coercive Field and Magnetic Memory Based on Nanometer-Thin Ferromagnetic van der Waals Fe3GeTe2-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000596676400001-
dc.identifier.scopusid2-s2.0-85097131586-
dc.identifier.rimsid74159-
dc.contributor.affiliatedAuthorKaixuan Zhang-
dc.contributor.affiliatedAuthorYoujin Lee-
dc.contributor.affiliatedAuthorMatthew J. Coak-
dc.contributor.affiliatedAuthorJunghyun Kim-
dc.contributor.affiliatedAuthorInho Hwang-
dc.contributor.affiliatedAuthorSuhan Son-
dc.contributor.affiliatedAuthorJe-Geun Park-
dc.identifier.doi10.1002/adma.202004110-
dc.identifier.bibliographicCitationADVANCED MATERIALS, v.33, no.4-
dc.citation.titleADVANCED MATERIALS-
dc.citation.volume33-
dc.citation.number4-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.subject.keywordAuthor2D topological ferromagnetic metal Fe3GeTe2-
dc.subject.keywordAuthorcurrent-tunable coercive field-
dc.subject.keywordAuthormagnetic van der Waals materials-
dc.subject.keywordAuthorspintronic and magnetic memory-
dc.subject.keywordAuthorunusually large spin-orbit torque-
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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