Abstract

The study aims to extend the application of LiF:Mg,Cu,P detectors for dosimetry in high-temperature environments, where low doses can be measured. The thermal stability of LiF:Mg,Cu,P annealed at 460 °C was verified by experimental test, and three methods were used to analyze the TL data. Tm, E, s and lifetimes obtained from peak shape methods and deconvolution analysis methods are in general agreement for LiF:Mg,Cu,P annealed at 460 °C and no anomalous E and s appear. The results showed that the LiF:Mg,Cu,P annealed at 460 °C exhibits greater thermal stability than the LiF:Mg,Cu,P annealed at 240 °C. This is important because it indicates that LiF:Mg,Cu,P may be utilized for low-dose dosimetry in environments with elevated temperatures.

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