Voltage-driven displacement of magnetic vortex cores

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorGhidini, M.
dc.contributor.authorPellicelli, R.
dc.contributor.authorMansell, R.
dc.contributor.authorPesquera, D.
dc.contributor.authorNair, B.
dc.contributor.authorMoya, X.
dc.contributor.authorFarokhipoor, S.
dc.contributor.authorMaccherozzi, F.
dc.contributor.authorBarnes, C. H.W.
dc.contributor.authorCowburn, R. P.
dc.contributor.authorDhesi, S. S.
dc.contributor.authorMathur, N. D.
dc.contributor.departmentUniversity of Parma
dc.contributor.departmentIstituto d'Istruzione Superiore A. Zanelli
dc.contributor.departmentDepartment of Applied Physics
dc.contributor.departmentUniversity of Cambridge
dc.contributor.departmentDiamond Light Source
dc.contributor.departmentDepartment of Applied Physicsen
dc.date.accessioned2020-11-30T08:15:59Z
dc.date.available2020-11-30T08:15:59Z
dc.date.issued2020-10-21
dc.description.abstractMagnetic vortex cores in polycrystalline Ni discs underwent non-volatile displacements due to voltage-driven ferroelectric domain switching in single-crystal BaTiO3. This behaviour was observed using photoemission electron microscopy to image both the ferromagnetism and ferroelectricity, while varying in-plane sample orientation. The resulting vector maps of disc magnetization match well with micromagnetic simulations, which show that the vortex core is translated by the transit of a ferroelectric domain wall, and thus the inhomogeneous strain with which it is associated. The non-volatility is attributed to pinning inside the discs. Voltage-driven displacement of magnetic vortex cores is novel, and opens the way for studying voltage-driven vortex dynamics.en
dc.description.versionPeer revieweden
dc.format.extent6
dc.format.mimetypeapplication/pdf
dc.identifier.citationGhidini , M , Pellicelli , R , Mansell , R , Pesquera , D , Nair , B , Moya , X , Farokhipoor , S , Maccherozzi , F , Barnes , C H W , Cowburn , R P , Dhesi , S S & Mathur , N D 2020 , ' Voltage-driven displacement of magnetic vortex cores ' , Journal of Physics D: Applied Physics , vol. 53 , no. 43 , 434003 . https://doi.org/10.1088/1361-6463/aba01den
dc.identifier.doi10.1088/1361-6463/aba01d
dc.identifier.issn0022-3727
dc.identifier.otherPURE UUID: 775c79d2-ac57-4853-bce7-d0c0edea9416
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/voltagedriven-displacement-of-magnetic-vortex-cores(775c79d2-ac57-4853-bce7-d0c0edea9416).html
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dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/53383445/Ghidini_2020_J._Phys._D_Appl._Phys._53_434003.pdf
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/61735
dc.identifier.urnURN:NBN:fi:aalto-2020113020580
dc.language.isoenen
dc.publisherIOP Publishing Ltd.
dc.relation.ispartofseriesJournal of Physics D: Applied Physicsen
dc.relation.ispartofseriesVolume 53, issue 43en
dc.rightsopenAccessen
dc.subject.keywordmagnetic imaging
dc.subject.keywordmagnetoelectrics
dc.subject.keywordnanomagnetism
dc.subject.keywordElectronic, Optical and Magnetic Materials
dc.subject.keywordCondensed Matter Physics
dc.subject.keywordAcoustics and Ultrasonics
dc.subject.keywordSurfaces, Coatings and Films
dc.subject.keyword114 Physical sciences
dc.subject.otherElectronic, Optical and Magnetic Materialsen
dc.subject.otherCondensed Matter Physicsen
dc.subject.otherAcoustics and Ultrasonicsen
dc.subject.otherSurfaces, Coatings and Filmsen
dc.subject.other114 Physical sciencesen
dc.titleVoltage-driven displacement of magnetic vortex coresen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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