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Origin of the inverse spin-switch behavior in manganite/cuprate/manganite trilayers

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dc.contributor.authorNemes, Norbert Marcel
dc.contributor.authorGarcía Hernández, M.
dc.contributor.authorte Velthuis, S. G. E.
dc.contributor.authorHoffmann, A.
dc.contributor.authorVisani, C.
dc.contributor.authorGarcia Barriocanal, Javier
dc.contributor.authorPeña, V.
dc.contributor.authorArias Serna, Diego
dc.contributor.authorSefrioui, Zouhair
dc.contributor.authorLeón Yebra, Carlos
dc.contributor.authorSantamaría Sánchez-Barriga, Jacobo
dc.date.accessioned2023-06-20T10:53:31Z
dc.date.available2023-06-20T10:53:31Z
dc.date.issued2008-09
dc.description© 2008 The American Physical Society. This work was supported by MAT 2005 under Contract No. 06024 C02 01-02, the Joint US-Spain World Materials Proposal NSF MWN Proposal DMR Contract No. 0709584 and MEC MAT 2007 Contract No. 30922-E, and by the US-DOE BES under Contract No. DE-AC02-06CH11357. N.M.N. acknowledges the “Ramon y Cajal” contract of the MICINN.
dc.description.abstractWe studied ferromagnet/superconductor/ferromagnet trilayers based on La_(0.7)Ca_(0.3)MnO_(3) manganite and YBa_(2)Cu_(3)O_(7−δ) (YBCO) high-T_(c) cuprate with magnetoresistance and magnetization measurements. We find an inverse superconducting spin-switch behavior, where superconductivity is favored for parallel alignment of the magnetization in the ferromagnetic layers. We argue that this inverse superconducting spin switch originates from the transmission of spin-polarized carriers into the superconductor. In this picture, the thickness dependence of the magnetoresistance yields the spin-diffusion length in YBCO as 13 nm. A comparison of bilayers and trilayers allows ruling out the effect of the stray fields of the domain structure of the ferromagnet as the source of the inverse superconducting spin switch.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMAT 2005
dc.description.sponsorshipJoint US-Spain World Materials Proposal NSF MWN Proposal DMR
dc.description.sponsorshipMEC MAT 2007
dc.description.sponsorshipUS-DOE BES
dc.description.sponsorshipMICINN Spain under contract "Ramon y Cajal"
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/30493
dc.identifier.doi10.1103/PhysRevB.78.094515
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevB.78.094515
dc.identifier.relatedurlhttp://journals.aps.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/51403
dc.issue.number9
dc.journal.titlePhysical review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectID06024 C02 01-02
dc.relation.projectID0709584
dc.relation.projectID30922-E
dc.relation.projectIDDE-AC02-06CH11357
dc.rights.accessRightsopen access
dc.subject.cdu537
dc.subject.keywordSuperconductor
dc.subject.keywordFerromagnet
dc.subject.keywordJunctions
dc.subject.keywordImbalance.
dc.subject.ucmElectricidad
dc.subject.ucmElectrónica (Física)
dc.subject.unesco2202.03 Electricidad
dc.titleOrigin of the inverse spin-switch behavior in manganite/cuprate/manganite trilayers
dc.typejournal article
dc.volume.number78
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