Improved time-resolved magneto-optical Kerr effect technique and dynamic magnetization reversal mechanism of perpendicularly magnetized $L1_{\mathrm{0}}$ FePt films

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dc.creatorLiu, X. D.
dc.creatorXu, Z.
dc.creatorGao, R. X.
dc.creatorChen, Z. F.
dc.creatorLai, T. S.
dc.creatorDu, J.
dc.creatorZhou, S. M.
dc.date2008-12-07
dc.date2009-01-31
dc.date.accessioned2026-07-07T12:35:47Z
dc.date.available2026-07-07T12:35:47Z
dc.descriptionThe dynamic coercivity cannot be measured rigorously by the conventional time-resolved magneto-optical Kerr effect technique because the irreversible deviation of the transient magnetization is accumulated. In order to remove the accumulation effect, the alternating magnetic field is employed and synchronized with the femtosecond laser pulse. Since the sample is reset before each single laser pulse, the accumulation effect of the irreversible deviation of the transient magnetization is removed. For perpendicularly magnetized $L1_{\mathrm{0}}$ FePt films, the dynamic magnetization reversal process is accomplished by the nucleation of reversed domains and the pinned domain wall motion.
dc.description11pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0812.1360
dc.identifierhttp://arxiv.org/abs/0812.1360
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/217877
dc.subjectStrongly Correlated Electrons
dc.subjectOther Condensed Matter
dc.titleImproved time-resolved magneto-optical Kerr effect technique and dynamic magnetization reversal mechanism of perpendicularly magnetized $L1_{\mathrm{0}}$ FePt films
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