Magnetization reversal in CoPt(111) hard/soft bilayers

dc.contributor.authorAlexandrakis, V.en
dc.contributor.authorNiarchos, D.en
dc.contributor.authorWolff, M.en
dc.contributor.authorPanagiotopoulos, I.en
dc.date.accessioned2015-11-24T17:35:35Z
dc.date.available2015-11-24T17:35:35Z
dc.identifier.issn0021-8979-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14146
dc.rightsDefault Licence-
dc.subjectcobalt alloysen
dc.subjectcoherence lengthen
dc.subjectmagnetic anisotropyen
dc.subjectmagnetic domainsen
dc.subjectmagnetisation reversalen
dc.subjectplatinum alloysen
dc.subjectsputtered coatingsen
dc.subjectpermanent-magnetsen
dc.subjectexchangeen
dc.subjectheterostructuresen
dc.subjectoptimizationen
dc.subjectmediaen
dc.subjectfilmsen
dc.titleMagnetization reversal in CoPt(111) hard/soft bilayersen
heal.abstractThe magnetization reversal in magnetron sputtered CoPt(111) hard/soft bilayers has been studied by polarized neutron reflectometry and magnetization measurements. The stability of the hard layer is tuned by the heat-treatment conditions which are used to crystallize the chemically ordered, high anisotropy, L(1)0 phase. All the samples show the same features in their first order reversal curves but the lateral domain size during the magnetization reversal of the soft layer differs. In samples with strong intergrain coupling it exceeds the coherence length of the neutron beam, resulting in spin-flip scattering. In contrast, the hard layer reversal occurs through the reorientation in small domains.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDoi 10.1063/1.3093936-
heal.identifier.secondary<Go to ISI>://000264774000120-
heal.journalNameJournal of Applied Physicsen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2009-
heal.publisherAmerican Institute of Physicsen
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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