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

Ultrafast spin demagnetization by nonthermal electrons of TbFe alloy film

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dc.contributor.authorKim, Ji-Wanko
dc.contributor.authorLee, Kyeong-Dongko
dc.contributor.authorJeong, Jae-Wooko
dc.contributor.authorShin, Sung-Chulko
dc.date.accessioned2009-12-02T06:22:44Z-
dc.date.available2009-12-02T06:22:44Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-05-
dc.identifier.citationAPPLIED PHYSICS LETTERS, v.94, no.19-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10203/13940-
dc.description.abstractAn ultrafast spin demagnetization process of an amorphous Tb(35)Fe(65) alloy film has been investigated by means of an all-optical pump-probe technique. Interestingly, steplike demagnetization on a subpicosecond time scale is observed before a much slower change on a time scale of tens of picoseconds. The steplike demagnetization at the subpicosecond scale is explained by the extended three-temperature model considering the interaction between a nonthermal electron and a spin system. The characteristic of subpicosecond demagnetization of TbFe alloy film is expected to be very useful in the manipulation of the spin state in ultrafast regime.-
dc.description.sponsorshipThis work was supported by Korea Science and Engi- neering Foundation through the Basic Research Program and the National Research Laboratory Project, and Ministry of Education, Science and Technology of Korea through the Global Partnership Program.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherAMER INST PHYSICS-
dc.subjectDYNAMICS-
dc.subjectNICKEL-
dc.subjectMAGNETIZATION-
dc.subjectTRANSITION-
dc.titleUltrafast spin demagnetization by nonthermal electrons of TbFe alloy film-
dc.typeArticle-
dc.identifier.wosid000266263400042-
dc.identifier.scopusid2-s2.0-67049100741-
dc.type.rimsART-
dc.citation.volume94-
dc.citation.issue19-
dc.citation.publicationnameAPPLIED PHYSICS LETTERS-
dc.identifier.doi10.1063/1.3130743-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorShin, Sung-Chul-
dc.type.journalArticleArticle-
dc.subject.keywordAuthoramorphous magnetic materials-
dc.subject.keywordAuthordemagnetisation-
dc.subject.keywordAuthorhigh-speed optical techniques-
dc.subject.keywordAuthoriron alloys-
dc.subject.keywordAuthormagnetic thin films-
dc.subject.keywordAuthorterbium alloys-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusNICKEL-
dc.subject.keywordPlusMAGNETIZATION-
dc.subject.keywordPlusTRANSITION-
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