Ultrafast Photoinduced Softening in a III-V Ferromagnetic Semiconductor for Non-thermal Magneto-Optical Recording

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dc.creatorKhodaparast, G. A.
dc.creatorWang, J.
dc.creatorKono, J.
dc.creatorOiwa, A.
dc.creatorMunekata, H.
dc.date2003-05-01
dc.date2004-03-04
dc.date.accessioned2026-07-07T02:51:06Z
dc.date.available2026-07-07T02:51:06Z
dc.descriptionThrough time-resolved two-color magneto-optical Kerr spectroscopy we have demonstrated that photogenerated transient carriers decrease the coercivity of ferromagnetic InMnAs at low temperatures. This transient ``softening'' persists only during the carrier lifetime ($\sim$ 2 ps) and returns to its original value as soon as the carriers recombine to disappear. We discuss the origin of this unusual phenomenon in terms of carrier-enhanced ferromagnetic exchange interactions between Mn ions and propose an entirely nonthermal scheme for magnetization reversal.
dc.description4 pages, 3 figures, changed title, revised
dc.identifierhttps://arxiv.org/abs/cond-mat/0305017
dc.identifierhttp://arxiv.org/abs/cond-mat/0305017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21334
dc.subjectMaterials Science
dc.subjectStrongly Correlated Electrons
dc.titleUltrafast Photoinduced Softening in a III-V Ferromagnetic Semiconductor for Non-thermal Magneto-Optical Recording
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