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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.