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KCl:Eu^(2+) as a solar UV-C radiation dosimeter. Optically stimulated luminescence and thermoluminescence analyses 被引量:1
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作者 I.Aguirre de Cárcer H.L.D'Antoni +2 位作者 m.barboza-flores V.Correcher F.Jaque 《Journal of Rare Earths》 SCIE EI CAS CSCD 2009年第4期579-583,共5页
The KCI:Eu2+ system response to UV-C was investigated by analyzing the optically stimulated luminescence (OSL) and ther- mo-luminescence (TL) signal produced by ultraviolet light exposure at room temperature. It... The KCI:Eu2+ system response to UV-C was investigated by analyzing the optically stimulated luminescence (OSL) and ther- mo-luminescence (TL) signal produced by ultraviolet light exposure at room temperature. It was found that after UV-C irra.diation, 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 (40° N, 700 m a.s.1.), it was possible to measure the UV-C radiation dose at 6:48 solar time by using the TL response of the KCI:Eu2+ system and differentiate it from the ambient beta radiation dose. 展开更多
关键词 THERMO-LUMINESCENCE rare-earth-doped alkali halides solar ultraviolet dosimeter environmental radiation
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