Ultrafast magnetization relaxation of L1(0)-ordered Fe50Pt50 alloy thin film

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dc.contributor.authorKim, Ji-Wanko
dc.contributor.authorSong, Hyon-Seokko
dc.contributor.authorJeong, Jae-Wooko
dc.contributor.authorLee, Kyeong-Dongko
dc.contributor.authorSohn, Jeong-Wooko
dc.contributor.authorShima, Toshiyukiko
dc.contributor.authorShin, Sung-Chulko
dc.date.accessioned2013-03-09T17:19:07Z-
dc.date.available2013-03-09T17:19:07Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2011-02-
dc.identifier.citationAPPLIED PHYSICS LETTERS, v.98, no.9-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10203/96976-
dc.description.abstractWe have investigated the ultrafast magnetization dynamics of L1(0)-ordered Fe50Pt50 thin film by means of a time-resolved magneto-optical Kerr effect measurement. We have found a high Gilbert damping value of alpha similar to 0.26, together with a very high precession frequency of f similar to 85 GHz and the shortest relaxation characteristic time of tau similar to 6.5 ps ever reported. We believe that L1(0)-ordered FePt film with the unique property of a very high precession frequency and the shortest relaxation time will be very useful for the realization of picosecond spin switching. (C) 2011 American Institute of Physics. [doi:10.1063/1.3559845]-
dc.languageEnglish-
dc.publisherAMER INST PHYSICS-
dc.subjectFEPT-
dc.subjectDYNAMICS-
dc.titleUltrafast magnetization relaxation of L1(0)-ordered Fe50Pt50 alloy thin film-
dc.typeArticle-
dc.identifier.wosid000288026700051-
dc.identifier.scopusid2-s2.0-79952425970-
dc.type.rimsART-
dc.citation.volume98-
dc.citation.issue9-
dc.citation.publicationnameAPPLIED PHYSICS LETTERS-
dc.identifier.doi10.1063/1.3559845-
dc.contributor.localauthorShin, Sung-Chul-
dc.contributor.nonIdAuthorShima, Toshiyuki-
dc.type.journalArticleArticle-
dc.subject.keywordPlusFEPT-
dc.subject.keywordPlusDYNAMICS-
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