Authors:
V. Natarajan 400 085 Mumbai Radiochemistry Division, Bhabha Atomic Research Centre Radiochemistry Division Trombay, Mumbai 400 085 India

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T. Seshagiri 400 085 Mumbai Radiochemistry Division, Bhabha Atomic Research Centre Radiochemistry Division Trombay, Mumbai 400 085 India

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R. Veeraraghavan 400 085 Mumbai Radiochemistry Division, Bhabha Atomic Research Centre Radiochemistry Division Trombay, Mumbai 400 085 India

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M. Sastry 400 085 Mumbai Radiochemistry Division, Bhabha Atomic Research Centre Radiochemistry Division Trombay, Mumbai 400 085 India

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Abstract  

Thermally stimulated luminescence (TSL) and electron paramagnetic resonance (EPR) studies on uranium doped calcium phosphate yielded mechanistic information on the observed glow peaks at 365, 410 and 450 K. TSL spectral studies of the glow peaks showed that UO22+ acts as the luminescent center. Electron paramagnetic resonance studies on gamma-irradiated samples revealed that the predominant radiation induced centers are H0, PO42-, PO32- and O- ion. Studies on the temperature dependence studies of the EPR spectra of samples annealed to different temperatures indicate the role of H0 and PO42- ions in the main glow peak at 410 K.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)