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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
Keywords: Mechanoluminescence;Gamma irradiation;Radiation dosimetry;KBr:Ce
Issue Date: Jan-2012
Publisher: NISCAIR-CSIR, India
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.
Page(s): 34-37
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.50(01) [January 2012]

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