Journal
BULLETIN OF MATERIALS SCIENCE
Volume 38, Issue 6, Pages 1527-1531Publisher
INDIAN ACAD SCIENCES
DOI: 10.1007/s12034-015-0964-2
Keywords
Combustion synthesis; photoionization cross-sections; TL; OSL; PL
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The polycrystalline sample of LiBaPO4 : Tb3+ (LBPT) was successfully synthesized by solution combustion synthesis and studied for its luminescence characteristics. The thermoluminescence (TL) glow curve of LBPT material consists of two peaks at 204.54 and 251.21A degrees C. The optimum concentration was 0.005 mol to obtain the higher TL intensity compared to commercial TLD-100 phosphor. The peak shape method was used to calculate kinetic parameter (activation energy and frequency factor). In CW-OSL mode its sensitivity for beta exposure was found to be 50% compared to commercially available alpha-Al2O3 : C and 40% than LMP (BARC), and photoluminescence spectrum of LBPT shows green emission when excited with 225 nm UV source.
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