Abstract

In contrast to the traditional growth method of large scintillation alkali halide crystals – in an inert atmosphere, CsI(TI) crystals have been grown in CO 2 atmosphere favoring changes of their impurity composition. Absorption and scintillation characteristics of crystals obtained have been studied in comparison to those grown in the inert gas medium. Effect of different radiation doses on variations in optical and scintillation characteristics has been studied for CsI(TI) crystals grown by various techniques. CsI(TI) crystals grown in CO 2 atmosphere are found to exhibit a higher radiation resistance and a faster restoration of their basic characteristics.

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