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|Title:||Study of cold light emission on mechanical deformation of -rays irradiated Ce3+ activated potassium bromide phosphor for radiation dosimetry|
|Authors:||Bhujbal, P M|
Dhoble, S J
|Abstract:||The mechanoluminescence (ML) of -irradiated coloured powder of KBr:Ce(0.1-10 mol%) phosphor has been studied in the present paper. All samples have been prepared by a wet-chemical method. Single isolated ML glow curve is observed in all samples. The variation of peak ML intensity with gamma rays exposure and different concentration of Ce3+ doped in KBr:Ce has been studied. The ML intensities are found to be dependant on concentrations of Ce3+ and gamma radiation dose. The variation of peak ML intensity of KBr:Ce (0.5 mol%) with different gamma dose is found to be as sub-linear up to 1.5 kGy high dose and then after the intensity becomes saturated.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.50(01) [January 2012]|
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