Abstract
The TL response of KBr:Eu (0.1% Eu) and KBr:Eu,Mg (0.1% Eu, 0.01 and 0.001% Mg) to 254 nm UV light has been studied. Crystals were subjected to different thermal treatments. The Mg concentration and the thermal treatment that produced the best glow curve reproducibility and sensitivity increase were identified. The sensitivity to UV radiation increased by about three times after the optimum thermal treatment. The addition of Mg (0.001%) was responsible for improvements in the reproducibility of the glow curve characteristics for different samples. The glow curves showed two high-temperature peaks above , similar to those observed after exposure to rays, and the TL response was linear for fluences between 15 and .
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