Power-law scaling behavior in Barkhausen avalanches of ferromagnetic thin films

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dc.contributor.authorShin, Sung-Chulko
dc.contributor.authorRyu, KSko
dc.contributor.authorKim, DHko
dc.contributor.authorChoe, SBko
dc.contributor.authorAkinaga, Hko
dc.date.accessioned2009-12-02T08:09:11Z-
dc.date.available2009-12-02T08:09:11Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2007-03-
dc.identifier.citationJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, v.310, pp.2599 - 2603-
dc.identifier.issn0304-8853-
dc.identifier.urihttp://hdl.handle.net/10203/13964-
dc.description.abstractWe report direct domain observations of Barkhausen avalanches at criticality in Co and MnAs thin films investigated by means of a magneto-optical microscope magnetometer, capable of time-resolved domain observation in real time. Through a statistical analysis of the fluctuating size of Barkhausen jump from numerous repetitive experiments for each sample, the distribution of Barkhausen jump size is found to exhibit a power-law scaling behavior with the critical exponent of similar to 1.33 in both systems. This value is consistent with the two-dimensional prediction of a theoretical model proposed by Cizeau et al. [Phys. Rev. Lett. 79 (1997) 4669]. (c) 2006 Elsevier B.V. All rights reserved.-
dc.description.sponsorshipThis work was supported by Ministry of Science and Technology of Korea through the Cavendish-KAIST Research Cooperation Project, Korea Science and En- gineering Foundation through the Basic Research Pro- gram, and Korea Research Foundation Grant funded by the Korean Government(MOEHRD)(KRF-2005-042- D00165).en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE BV-
dc.subjectSELF-ORGANIZED CRITICALITY-
dc.subjectDOMAIN-WALL-
dc.subjectMAGNETIZATION REVERSAL-
dc.subjectDYNAMICS-
dc.subjectNOISE-
dc.subjectTRANSITION-
dc.subjectMOTION-
dc.titlePower-law scaling behavior in Barkhausen avalanches of ferromagnetic thin films-
dc.typeArticle-
dc.identifier.wosid000247720400244-
dc.identifier.scopusid2-s2.0-33847679033-
dc.type.rimsART-
dc.citation.volume310-
dc.citation.beginningpage2599-
dc.citation.endingpage2603-
dc.citation.publicationnameJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS-
dc.identifier.doi10.1016/j.jmmm.2006.11.041-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorShin, Sung-Chul-
dc.contributor.nonIdAuthorRyu, KS-
dc.contributor.nonIdAuthorKim, DH-
dc.contributor.nonIdAuthorChoe, SB-
dc.contributor.nonIdAuthorAkinaga, H-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorpower-law scaling behavior-
dc.subject.keywordAuthorBarkhausen effect-
dc.subject.keywordAuthortwo-dimensional ferromagnetic thin films-
dc.subject.keywordPlusSELF-ORGANIZED CRITICALITY-
dc.subject.keywordPlusDOMAIN-WALL-
dc.subject.keywordPlusMAGNETIZATION REVERSAL-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusNOISE-
dc.subject.keywordPlusTRANSITION-
dc.subject.keywordPlusMOTION-
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