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Enhanced Supercurrents in Josephson Junctions Containing Nonparallel Ferromagnetic Domains

hal.structure.identifierDepartment of Material Science and Metallurgy
dc.contributor.authorROBINSON J. W., A.
hal.structure.identifierDepartment of Material Science and Metallurgy
dc.contributor.authorHALA'SZ, Ga'Bor B.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
hal.structure.identifierInstitut universitaire de France [IUF]
dc.contributor.authorBUZDIN, Alexandre I.
hal.structure.identifierDepartment of Material Science and Metallurgy
dc.contributor.authorBLAMIRE M., G.
dc.date.created2010-01-15
dc.date.issued2010-05-21
dc.identifier.issn0031-9007
dc.description.abstractEn\pi coupling may arise when a ferromagnet forms a link between two superconductors of an artificial Josephson junction. Using a trilayer Fe=Cr=Fe barrier in which the Cr thickness determines the alignment of the Fe layers, we show that the critical currents are substantially enhanced in the antiparallel configuration. The result agrees with existing superconductor ferromagnet proximity theory according to which the phase-controlling effects of ferromagnets on Cooper pairs can be minimized by arranging their moments in a nonparallel way [Bergeret et al., Phys. Rev. Lett. 86, 3140 (2001); Blanter et al., Phys. Rev. B 69, 024525 (2004)].
dc.language.isoen
dc.publisherAmerican Physical Society
dc.titleEnhanced Supercurrents in Josephson Junctions Containing Nonparallel Ferromagnetic Domains
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevLett.104.207001
bordeaux.journalPhysical Review Letters
bordeaux.page207001 (1-4)
bordeaux.volume104
bordeaux.issue20
bordeaux.peerReviewedoui
hal.identifierhal-00505815
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00505815v1
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