The unusual temperature dependence of the Eu$^{2+}$ fluorescence lifetime in CaF$_2$ crystals

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dc.creatorDuan, C. K.
dc.creatorMejerink, A.
dc.creatorReeves, R. J.
dc.creatorReid, M. F.
dc.date2005-05-24
dc.date.accessioned2026-07-07T03:05:20Z
dc.date.available2026-07-07T03:05:20Z
dc.descriptionFluorescence lifetimes of Eu$^{2+}$ doped in CaF$_2$ are measured at various temperatures between 4K and 450K. The lifetime increases with between 100K and 300K, in contrast to the usual lifetime-temperature dependence. At higher or lower temperatures the lifetime decreases with increasing temperature. The phenomenon is explained by simulation of the energy levels and lifetimes of low-lying $4f^65d$ states involved in the fluorescence.
dc.description10 pages, 2 figures, to appear on Journal of Alloys and Compounds
dc.identifierhttps://arxiv.org/abs/cond-mat/0505592
dc.identifierhttp://arxiv.org/abs/cond-mat/0505592
dc.identifierdoi:10.1016/j.jallcom.2005.01.077
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26409
dc.subjectMaterials Science
dc.titleThe unusual temperature dependence of the Eu$^{2+}$ fluorescence lifetime in CaF$_2$ crystals
dc.typetext

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