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dc.contributor.authorJohansen, Øyvind
dc.contributor.authorRisinggård, Vetle Kjær
dc.contributor.authorSudbø, Asle
dc.contributor.authorLinder, Jacob
dc.contributor.authorBrataas, Arne
dc.date.accessioned2019-06-04T06:00:24Z
dc.date.available2019-06-04T06:00:24Z
dc.date.created2019-06-03T09:15:10Z
dc.date.issued2019
dc.identifier.citationPhysical Review Letters. 2019, 122 (21)nb_NO
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/11250/2599798
dc.description.abstractThe recent discovery of magnetism in two-dimensional van der Waals systems opens the door to discovering exciting physics. We investigate how a current can control the ferromagnetic properties of such materials. Using symmetry arguments, we identify a recently realized system in which the current-induced spin torque is particularly simple and powerful. In Fe3GeTe2, a single parameter determines the strength of the spin-orbit torque for a uniform magnetization. The spin-orbit torque acts as an effective out-of-equilibrium free energy. The contribution of the spin-orbit torque to the effective free energy introduces new in-plane magnetic anisotropies to the system. Therefore, we can tune the system from an easy-axis ferromagnet via an easy-plane ferromagnet to another easy-axis ferromagnet with increasing current density. This finding enables unprecedented control and provides the possibility to study the Berezinskii-Kosterlitz-Thouless phase transition in the 2D XY model and its associated critical exponentsnb_NO
dc.language.isoengnb_NO
dc.publisherAmerican Physical Societynb_NO
dc.titleCurrent Control of Magnetism in Two-Dimensional Fe3GeTe2nb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber6nb_NO
dc.source.volume122nb_NO
dc.source.journalPhysical Review Lettersnb_NO
dc.source.issue21nb_NO
dc.identifier.doi10.1103/PhysRevLett.122.217203
dc.identifier.cristin1702178
dc.relation.projectNorges forskningsråd: 262633nb_NO
dc.relation.projectNorges forskningsråd: 250985nb_NO
dc.relation.projectNorges forskningsråd: 239926nb_NO
dc.relation.projectNorges forskningsråd: 240806nb_NO
dc.description.localcode© 2019 American Physical Societynb_NO
cristin.unitcode194,66,20,0
cristin.unitnameInstitutt for fysikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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