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Thermoluminescence of Cs2LiYCl6, Cs2LiYCl6: Ce3+ and Cs2LiYCl6:Pr3+ Crystals

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4 Author(s)
Van Loef, E.V. ; Radiat. Monitoring Devices, Watertown, MA ; Higgins, W.H. ; Squillante, M.R. ; Shah, K.S.

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.

Published in:

Nuclear Science Symposium Conference Record, 2006. IEEE  (Volume:2 )

Date of Conference:

Oct. 29 2006-Nov. 1 2006