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In this paper we report on the thermoluminescence of Cs2LiYCl6, Cs2LiYCl6:Ce3+ and Cs2LiYCl6:Pr3+ crystals. Low-temperature glow curves and isothermal decay spectra are presented. All three crystals exhibit prominent glow peaks below 300 K: The Cs2LiYCl6 sample shows a major peak at 58 K in addition to a broad band between 75 K and 150 K. The glow curve of Cs2LiYCl6:Pr3+ is similar to that of Cs2LiYCl6 but shows additional peaks at 222 K and 277 K. The glow curve of Cs2LiYCl6:Ce3+ is dominated by a major glow peak at 214 K with minor peaks at 50 K and 88 K. Lifetimes of traps derived from isothermal decay spectra measured at the temperature maximum of selected glow peaks are of the order of tens of seconds.
Nuclear Science Symposium Conference Record, 2006. IEEE (Volume:2 )
Date of Conference: Oct. 29 2006-Nov. 1 2006