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dc.contributor.authorHierro-Rodríguez, A.-
dc.contributor.authorVélez, María-
dc.contributor.authorMorales, R.-
dc.contributor.authorSoriano, N.-
dc.contributor.authorRodríguez-Rodríguez, G.-
dc.contributor.authorÁlvarez-Prado, L. M.-
dc.identifierdoi: 10.1103/PhysRevB.88.174411-
dc.identifierissn: 1098-0121-
dc.identifiere-issn: 1550-235X-
dc.identifier.citationPhysical Review B 88: 174411 (2013)-
dc.description.abstractMagnetic lateral multilayers have been fabricated on weak perpendicular magnetic anisotropy amorphous Nd-Co films in order to perform a systematic study on the conditions for controlled nucleation of topological defects within their magnetic stripe domain pattern. A lateral thickness modulation of period w is defined on the nanostructured samples that, in turn, induces a lateral modulation of both magnetic stripe domain periods λ and average in-plane magnetization component Min-plane. Depending on lateral multilayer period and in-plane applied field, thin and thick regions switch independently during in-plane magnetization reversal and domain walls are created within the in-plane magnetization configuration coupled to variable angle grain boundaries and disclinations within the magnetic stripe domain patterns. This process is mainly driven by the competition between rotatable anisotropy (that couples the magnetic stripe pattern to in-plane magnetization) and in-plane shape anisotropy induced by the periodic thickness modulation. However, as the structural period w becomes comparable to magnetic stripe period λ, the nucleation of topological defects at the interfaces between thin and thick regions is hindered by a size effect and stripe domains in the different thickness regions become strongly coupled. © 2013 American Physical Society.-
dc.description.sponsorshipWork was supported by Spanish MICINN under Grant No. FIS2008-06249. R.M. and N.S. acknowledge support from UPV/EHU UFI11/23 and Basque Country Government Grant No. Etorek SE11-304. A.H.-R. acknowledges support from FCT of Portugal grant (Grant No. SFRH/BPD/90471/2012).-
dc.publisherAmerican Physical Society-
dc.relation.isversionofPublisher's version-
dc.titleControlled nucleation of topological defects in the stripe domain patterns of lateral multilayers with perpendicular magnetic anisotropy-
dc.description.versionPeer Reviewed-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderUniversidad del País Vasco-
dc.contributor.funderEusko Jaurlaritza-
dc.contributor.funderFundação para a Ciência e a Tecnologia (Portugal)-
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