Nonequilibrium domain pattern formation in mesoscopic magnetic thin film elements assisted by thermally excited spin fluctuations

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.95.237211
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TypeArticle
Journal titlePhysical Review Letters
Volume95
Issue23
Pages2372114; # of pages: 237208
Subjectferromagnetic materials; iron alloys; magnetic domains; magnetic thin films; magnetisation reversal; mesoscopic systems; metallic thin films; nickel alloys; pattern formation; spin fluctuations
AbstractThe dynamic behavior in the evolving pattern of thermally assisted, nonequilibrium domains in magnetic thin-film elements undergoing ultrafast 180° magnetization reversal was studied. Magnetization reversal enters a fully dynamic regime when the external field conditions are changed much faster than the sample is able to respond. The dynamic pathway develops a complexity not seen in quasistatic reversal but still retains a high level of order with well-developed dynamic domain patterns formed in response to subnanosecond transitions of the external applied magnetic field.
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LanguageEnglish
Peer reviewedNo
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NPARC number12338356
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Record identifierf1125fd3-913e-4197-9b94-f5a74a3fa436
Record created2009-09-10
Record modified2016-05-09
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