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Luminescence Characteristics of Feldspar from Nigeria
Department of Physics, University of Ibadan, Ibadan, Nigeria
- 1 Department of Physics, University of Ibadan, Ibadan, Nigeria
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Abstract
The luminescence characteristics of feldspar from Nigeria were investigated. Without preheat treatment, the TL glow curve exhibited two peaks at 136 ° C and 175 ° C. When preheated to a temperature of 200 ° C only one peak was observed at 240 ° C. The highest net IRSL intensity was obtained for a stimulation temperature of 250 ° C. The TL signal is reduced by IR stimulation, and the longer the stimulation the more pronounced the effect. The dose response curves for both the TL and the IRSL showed a linear relationship for the doses considered in the study. Dose recovery test performed using the SAR method showed consistency with given dose for both TL and IRSL.
KeywordsFeldsparTLIRSLNigeria
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