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dc.contributor.authorWu, J.en_GB
dc.contributor.authorHughes, N.D.en_GB
dc.contributor.authorMoore, J.R.en_GB
dc.contributor.authorHicken, R.J.en_GB
dc.date.accessioned2013-01-24T15:39:57Zen_GB
dc.date.accessioned2013-03-20T13:14:48Z
dc.date.issued2001en_GB
dc.description.abstractThe rise and damping of spin excitations in three Ni81Fe19 films of thickness 50, 500, and 5000 Å have been studied with an optical pump–probe technique in which the sample is pumped with an optically triggered magnetic field pulse. The motion of the magnetization was described by the uniform mode solution of the Landau–Lifshitz–Gilbert equation. The rise time of the pulsed field within the film was smallest in the 50 Å sample and was generally greater when the pulsed field was perpendicular to the film plane. The damping constant was smallest in the 500 Å sample. The variations in the rise time and damping are attributed to the presence of eddy currents and structural disorder in the films. Under certain excitation conditions a second mode was observed in the 5000 Å sample which we believe to be a magnetostatic surface mode.en_GB
dc.identifier.citationVol. 89 (11), pp. 6692 - 6694en_GB
dc.identifier.doi10.1063/1.1357142en_GB
dc.identifier.urihttp://hdl.handle.net/10036/4203en_GB
dc.language.isoenen_GB
dc.publisherAmerican Institute of Physicsen_GB
dc.relation.urlhttp://dx.doi.org/10.1063/1.1357142en_GB
dc.subjectnickel alloysen_GB
dc.subjectiron alloysen_GB
dc.subjecteddy currentsen_GB
dc.subjectmagnetisationen_GB
dc.subjectmagnetic thin filmsen_GB
dc.subjectferromagnetic materialsen_GB
dc.subjectmagnetostatic surface wavesen_GB
dc.subjectKerr magneto-optical effecten_GB
dc.subjectspin dynamicsen_GB
dc.titleInvestigation of the rise time and damping of spin excitations in Ni81Fe19 thin filmsen_GB
dc.typeArticleen_GB
dc.date.available2013-01-24T15:39:57Zen_GB
dc.date.available2013-03-20T13:14:48Z
dc.identifier.issn0021-8979en_GB
dc.descriptionCopyright © 2001 American Institute of Physicsen_GB
dc.identifier.eissn1089-7550en_GB
dc.identifier.journalJournal of Applied Physicsen_GB


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