, Volume 46, Issue 22, pp 7253-7261
Date: 12 Jul 2011

Effect of Bi ion on Eu2+ ↔ Eu3+ conversion in CaF2:Eu phosphors for RPL dosimetry

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Abstract

UV photo-excited Eu2+ and Eu3+ luminescence from CaF2:Eu and CaF2:Eu, Bi phosphors were investigated. The effect of gamma exposure followed by temperature effect shows conversion mechanism between Eu2+ ↔ Eu3+ ion in CaF2:Eu and CaF2:Eu, Bi phosphors which were studied for RPL dosimetry. The photoluminescence and X-ray diffraction characterization are reported in this article.