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College of Natural Sciences(자연과학대학)Dept. of Physics(물리학과)PH-Journal Papers(저널논문)

Low temperature noncollinear behavior in FePt nanogranular thin film system

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dc.contributor.authorPerumal, Ako
dc.contributor.authorKo, HSko
dc.contributor.authorShin, Sung-Chulko
dc.date.accessioned2009-12-03T01:54:49Z-
dc.date.available2009-12-03T01:54:49Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-07-
dc.identifier.citationTHIN SOLID FILMS, v.510, pp.280 - 285-
dc.identifier.issn0040-6090-
dc.identifier.urihttp://hdl.handle.net/10203/14025-
dc.description.abstractWe report the low temperature noncollinear magnetic behavior of direct current (DC) sputtered FePt thin films investigated by performing DC magnetization, thermoremanence, magnetic relaxation, and electrical transport measurements down to 1.8 K. The obtained results, interestingly, indicate a transition from ferromagnetic state to a low temperature disordered state where a collective frozen magnetic state with grain moments oriented randomly occurs. The magnetic relaxation and electrical resistivity measurements at low temperature support the spin-glass like phase, which diminishes and finally disappears with an applied field of moderate strength. We interpret the observed low temperature noncollinear magnetic behavior to be due to random freezing of grain moments. (c) 2005 Elsevier B.V. All rights reserved.-
dc.description.sponsorshipThis research 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.publisherELSEVIER SCIENCE SA-
dc.subjectMAGNETIC-PROPERTIES-
dc.subjectNANOPARTICLES-
dc.subjectFERROMAGNETS-
dc.subjectKINETICS-
dc.titleLow temperature noncollinear behavior in FePt nanogranular thin film system-
dc.typeArticle-
dc.identifier.wosid000238011200047-
dc.identifier.scopusid2-s2.0-33646400020-
dc.type.rimsART-
dc.citation.volume510-
dc.citation.beginningpage280-
dc.citation.endingpage285-
dc.citation.publicationnameTHIN SOLID FILMS-
dc.identifier.doi10.1016/j.tsf.2005.12.163-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorShin, Sung-Chul-
dc.contributor.nonIdAuthorPerumal, A-
dc.contributor.nonIdAuthorKo, HS-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorFePt thin films-
dc.subject.keywordAuthorferromagnetism-
dc.subject.keywordAuthormagnetic relaxation-
dc.subject.keywordAuthorsuperconducting quantum interference device magnetometer-
dc.subject.keywordAuthortransmission electron microscopy-
dc.subject.keywordPlusMAGNETIC-PROPERTIES-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusFERROMAGNETS-
dc.subject.keywordPlusKINETICS-
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