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Combustion synthesis and preliminary luminescence studies of LiBaPO4 : Tb3+ phosphor

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Abstract

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 251.21°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 α-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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Acknowledgement

CBP is very much thankful to Head, Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai 400 085, India, for providing the necessary facilities for the analysis of TL/OSL results.

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Authors and Affiliations

  1. Department of Physics, Sant Gadge Baba Amravati University, Amravati, 444602, India

    C B PALAN, N S BAJAJ & S K OMANWAR

  2. Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai, 400094, India

    A SONI & M S KULKARNI

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  1. C B PALAN
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  2. N S BAJAJ
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  3. A SONI
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  4. M S KULKARNI
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  5. S K OMANWAR
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Correspondence to C B PALAN.

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PALAN, C.B., BAJAJ, N.S., SONI, A. et al. Combustion synthesis and preliminary luminescence studies of LiBaPO4 : Tb3+ phosphor. Bull Mater Sci 38, 1527–1531 (2015). https://doi.org/10.1007/s12034-015-0964-2

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  • DOI: https://doi.org/10.1007/s12034-015-0964-2

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