Dependences of the activation volumes on Ar sputtering pressure in Co/Pt multilayers prepared by dc magnetron sputtering

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dc.contributor.authorCho, YCko
dc.contributor.authorChoe, SBko
dc.contributor.authorShin, Sung-Chulko
dc.date.accessioned2009-12-02T01:07:16Z-
dc.date.available2009-12-02T01:07:16Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2002-01-
dc.identifier.citationAPPLIED PHYSICS LETTERS, v.80, no.3, pp.452 - 454-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10203/13867-
dc.description.abstractWe investigated the wall-motion and nucleation activation volumes of Co/Pt multilayer films prepared by dc magnetron sputtering under various Ar sputtering pressures. Delicate analysis of time-resolved domain evolution patterns reveals that the nucleation activation volume is generally smaller than the wall-motion activation volume in all the samples, which is consistent with the nucleation-dominant magnetization reversal behavior observed in this system. Interestingly, the activation volume is found to decrease with increasing Ar pressure, despite a decreasing trend in saturation magnetization. Decreasing grain size with increasing Ar pressure, smaller than the typical size of a Co single domain, is believed to be the origin of the unexpected observation. (C) 2002 American Institute of Physics.-
dc.description.sponsorshipThis work was supported by the Korean Ministry of Science and Technology through the Creative Research Initiatives Project.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherAMER INST PHYSICS-
dc.subjectULTRATHIN FERROMAGNETIC-FILMS-
dc.subjectMAGNETIZATION REVERSAL-
dc.subjectPERPENDICULAR ANISOTROPY-
dc.subjectDOMAIN-
dc.subjectDYNAMICS-
dc.titleDependences of the activation volumes on Ar sputtering pressure in Co/Pt multilayers prepared by dc magnetron sputtering-
dc.typeArticle-
dc.identifier.wosid000173278400038-
dc.identifier.scopusid2-s2.0-79955981958-
dc.type.rimsART-
dc.citation.volume80-
dc.citation.issue3-
dc.citation.beginningpage452-
dc.citation.endingpage454-
dc.citation.publicationnameAPPLIED PHYSICS LETTERS-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorShin, Sung-Chul-
dc.contributor.nonIdAuthorCho, YC-
dc.contributor.nonIdAuthorChoe, SB-
dc.type.journalArticleArticle-
dc.subject.keywordPlusULTRATHIN FERROMAGNETIC-FILMS-
dc.subject.keywordPlusMAGNETIZATION REVERSAL-
dc.subject.keywordPlusPERPENDICULAR ANISOTROPY-
dc.subject.keywordPlusDOMAIN-
dc.subject.keywordPlusDYNAMICS-
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