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Imprinted labyrinths and percolation in Nd-Co/Nb magnetic/superconducting hybrids

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dc.contributor.authorRuiz-Valdepeñas Martín de Almagro, Luis
dc.contributor.authorVélez, M.
dc.contributor.authorValdés Bango, F.
dc.contributor.authorÁlvarez Prado, L.M.
dc.contributor.authorGarcía Alonso, F.J.
dc.contributor.authorMartín, J.I.
dc.contributor.authorNavarro Palma, Elena
dc.contributor.authorAlameda, J.M.
dc.contributor.authorVicent López, José Luis
dc.date.accessioned2023-06-19T13:33:34Z
dc.date.available2023-06-19T13:33:34Z
dc.date.issued2014-06-07
dc.description© 2014 AIP Publishing LLC. This work was supported by Spanish MINECO under grants FIS2008-06249 and Consolider CSD2007-00010 and by CAM under grant S2009/MAT-1726.
dc.description.abstractMagnetization reversal processes have been studied in hybrid magnetic/superconducting Nd-Co/Nb bilayers by the comparison of out-of-plane magnetic hysteresis loops and superconducting phase diagrams as a function of magnetic layer thickness and of disorder in the magnetic layer induced by a nanostructured copolymer template. A good correlation is found between the regimes corresponding to percolation effects in the superconductor and to the transition from extended to confined superconductivity with the characteristic fields for reverse domain nucleation and fast domain expansion in the magnetic layer, indicating that superconductivity nucleates on the disordered network imprinted on the superconducting layer by the labyrinth domain structure of the magnetic layer. As disorder increases in the magnetic layer, percolation effects disappear from the superconducting transitions in agreement with a more homogeneous magnetization reversal process.
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMINECO
dc.description.sponsorshipComunidad de Madrid
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/29705
dc.identifier.doi10.1063/1.4881277
dc.identifier.issn0021-8979
dc.identifier.officialurlhttp://dx.doi.org/10.1063/1.4881277
dc.identifier.relatedurlhttp://scitation.aip.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/34015
dc.issue.number21
dc.journal.titleJournal of applied physics
dc.language.isoeng
dc.publisherAmerican Institute of Physics
dc.relation.projectIDFIS2008-06249
dc.relation.projectIDCSD2007-00010
dc.relation.projectIDNANOBIOMAGNET-CM (S2009/MAT-1726)
dc.rights.accessRightsopen access
dc.subject.cdu538.9
dc.subject.keywordIon irradiation
dc.subject.keywordFilms
dc.subject.keywordAlloys.
dc.subject.ucmFísica de materiales
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2211 Física del Estado Sólido
dc.titleImprinted labyrinths and percolation in Nd-Co/Nb magnetic/superconducting hybrids
dc.typejournal article
dc.volume.number115
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