KCl: Eu2+ as a solar UV-C radiation dosimeter. Optically stimulated luminescence and thermoluminescence analyses

I. Aguirre de Cárcer, H. L. Dántoni, M. Barboza-Flores, V. Correcher, F. Jaque

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

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Resumen

The KCl:Eu2+ system response to UV-C was investigated by analyzing the optically stimulated luminescence (OSL) and thermo-luminescence (TL) signal produced by ultraviolet light exposure at room temperature. It was found that after UV-C irradiation, OSL was produced on a wide band of visible wavelengths with decay time that varied by several orders of magnitude depending on the Eu2+ aggregation state. In spite of the low intensity of solar UV-C reaching the Earth's surface in Madrid (40o N, 700 m a.s.l.), it was possible to measure the UV-C radiation dose at 6:48 solar time by using the TL response of the KCl:Eu2+ system and differentiate it from the ambient beta radiation dose. © 2009 The Chinese Society of Rare Earths.
Idioma originalInglés estadounidense
Páginas (desde-hasta)579-583
Número de páginas5
PublicaciónJournal of Rare Earths
DOI
EstadoPublicada - 1 ene 2009

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