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Electric-field-driven dynamics of magnetic domain walls in magnetic nanowires patterned on ferroelectric domains

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Van De Wiele, Ben
dc.contributor.author Leliaert, Jonathan
dc.contributor.author Franke, Kévin J A
dc.contributor.author Van Dijken, Sebastiaan
dc.date.accessioned 2016-09-23T09:26:07Z
dc.date.issued 2016-03-16
dc.identifier.citation Van De Wiele , B , Leliaert , J , Franke , K J A & Van Dijken , S 2016 , ' Electric-field-driven dynamics of magnetic domain walls in magnetic nanowires patterned on ferroelectric domains ' , New Journal of Physics , vol. 18 , no. 3 , 033027 , pp. 1-7 . https://doi.org/10.1088/1367-2630/18/3/033027 en
dc.identifier.issn 1367-2630
dc.identifier.other PURE UUID: 9d800643-c31c-4199-9f96-1792f6e83f87
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/9d800643-c31c-4199-9f96-1792f6e83f87
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84963696557&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/4321420/pdf.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/22451
dc.description | openaire: EC/H2020/665215/EU//EMOTION | openaire: EC/FP7/307502/EU//E-CONTROL
dc.description.abstract Strong coupling of magnetic domain walls onto straight ferroelastic boundaries of a ferroelectric layer enables full and reversible electric-field control of magnetic domain wall motion. In this paper, the dynamics of this new driving mechanism is analyzed using micromagnetic simulations. We show that transverse domain walls with a near-180° spin structure are stabilized in magnetic nanowires and that electric fields can move these walls with high velocities. Above a critical velocity, which depends on material parameters, nanowire geometry and the direction of domain wall motion, the magnetic domain walls depin abruptly from the ferroelastic boundaries. Depinning evolves either smoothly or via the emission and annihilation of a vortex or antivortex core (Walker breakdown). In both cases, the magnetic domain wall slows down after depinning in an oscillatory fashion and eventually comes to a halt. The simulations provide design rules for hybrid ferromagnetic-ferroelectric domain-wall-based devices and indicatethat material disorder and structural imperfections only influence Walker-breakdown-like depinning at high domain wall velocities. en
dc.format.extent 1-7
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation info:eu-repo/grantAgreement/EC/FP7/307502/EU//E-CONTROL
dc.relation.ispartofseries NEW JOURNAL OF PHYSICS en
dc.relation.ispartofseries Volume 18, issue 3 en
dc.rights openAccess en
dc.title Electric-field-driven dynamics of magnetic domain walls in magnetic nanowires patterned on ferroelectric domains en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Ghent University
dc.contributor.department Department of Applied Physics
dc.subject.keyword electric field
dc.subject.keyword ferroelectric-ferromagnetic heterostructures
dc.subject.keyword magnetic domain wall motion
dc.subject.keyword magnetic domain wall pinning
dc.subject.keyword nanowires
dc.identifier.urn URN:NBN:fi:aalto-201609234454
dc.identifier.doi 10.1088/1367-2630/18/3/033027
dc.type.version publishedVersion

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