Current-induced vortex dynamics and pinning potentials probed by homodyne detection

Kurzanzeige
dc.contributor.authorKim, June-Seodeu
dc.contributor.authorBoulle, Olivierdeu
dc.contributor.authorVerstoep, Stevendeu
dc.contributor.authorHeyne, Lutz
dc.contributor.authorRhensius, Jandeu
dc.contributor.authorKläui, Mathias
dc.contributor.authorHeyderman, Laura Janedeu
dc.contributor.authorKronast, Floriandeu
dc.contributor.authorMattheis, Rolanddeu
dc.contributor.authorUlysse, Christiandeu
dc.contributor.authorFaini, Giancarlodeu
dc.date.accessioned2011-03-24T17:52:31Zdeu
dc.date.available2011-03-24T17:52:31Zdeu
dc.date.issued2010deu
dc.description.abstractUsing a homodyne detection scheme, we show that we can determine the polarity and chirality of a magnetic vortex in an asymmetric magnetic disk as well as the resonance frequency and phase shift of the dynamic vortex gyration excited by a spin-polarized current. From systematic phase measurements, we deduce the relative contributions of the spin torque and the Oersted field, which is found to dominate the excitation. Local pinning sites in the disk lead to an increased resonance frequency and a reduced amplitude. This allows us to draw a map of the pinning sites and thus to characterize the full potential in the disk.eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Physical Review B 82 (2010), 104427deu
dc.identifier.doi10.1103/PhysRevB.82.104427
dc.identifier.ppn33515297Xdeu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/8971
dc.language.isoengdeu
dc.legacy.dateIssued2010deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subject.ddc530deu
dc.titleCurrent-induced vortex dynamics and pinning potentials probed by homodyne detectioneng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Kim2010Curre-8971,
  year={2010},
  doi={10.1103/PhysRevB.82.104427},
  title={Current-induced vortex dynamics and pinning potentials probed by homodyne detection},
  volume={82},
  journal={Physical Review B},
  author={Kim, June-Seo and Boulle, Olivier and Verstoep, Steven and Heyne, Lutz and Rhensius, Jan and Kläui, Mathias and Heyderman, Laura Jane and Kronast, Florian and Mattheis, Roland and Ulysse, Christian and Faini, Giancarlo},
  note={Article Number: 104427}
}
kops.citation.iso690KIM, June-Seo, Olivier BOULLE, Steven VERSTOEP, Lutz HEYNE, Jan RHENSIUS, Mathias KLÄUI, Laura Jane HEYDERMAN, Florian KRONAST, Roland MATTHEIS, Christian ULYSSE, Giancarlo FAINI, 2010. Current-induced vortex dynamics and pinning potentials probed by homodyne detection. In: Physical Review B. 2010, 82, 104427. Available under: doi: 10.1103/PhysRevB.82.104427deu
kops.citation.iso690KIM, June-Seo, Olivier BOULLE, Steven VERSTOEP, Lutz HEYNE, Jan RHENSIUS, Mathias KLÄUI, Laura Jane HEYDERMAN, Florian KRONAST, Roland MATTHEIS, Christian ULYSSE, Giancarlo FAINI, 2010. Current-induced vortex dynamics and pinning potentials probed by homodyne detection. In: Physical Review B. 2010, 82, 104427. Available under: doi: 10.1103/PhysRevB.82.104427eng
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kops.sourcefieldPhysical Review B. 2010, <b>82</b>, 104427. Available under: doi: 10.1103/PhysRevB.82.104427deu
kops.sourcefield.plainPhysical Review B. 2010, 82, 104427. Available under: doi: 10.1103/PhysRevB.82.104427deu
kops.sourcefield.plainPhysical Review B. 2010, 82, 104427. Available under: doi: 10.1103/PhysRevB.82.104427eng
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