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Spectroscopic investigation of praseodymium and cerium co-doped 20Al(PO3)3-80LiF glass for potential scintillator applications

Abstract : The optical properties of 20Al(PO3)3–80LiF (APLF80) glass co-doped with praseodymium (Pr3+) and cerium (Ce3+) ions are explored. By co-doping the host APLF80 glass matrix with praseodymium (Pr3+) and cerium (Ce3+) ions (APLF80 + PrCe), improvement in the luminescence decay time of the 5d → 4f allowed electric dipole transition of singly-doped APLF80 + Pr under optical excitation is achieved. Both radiative and non-radiative energy transfers from Pr3+ to Ce3+ are observed. Non-radiative energy transfer leads to Pr3+ luminescence quenching resulting to faster decay times of Pr3+, especially at high Ce3+-doping concentrations. Our results present exciting prospects for APLF80 as a response time improved scintillator.
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-02363638
Contributor : Armelle Vidal <>
Submitted on : Thursday, November 14, 2019 - 3:09:54 PM
Last modification on : Thursday, October 15, 2020 - 8:54:05 AM

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Yuki Minami, Jacque Lynn Gabayno, Verdad Agulto, Youwei Lai, Melvin John F. Empizo, et al.. Spectroscopic investigation of praseodymium and cerium co-doped 20Al(PO3)3-80LiF glass for potential scintillator applications. Journal of Non-Crystalline Solids, Elsevier, 2019, 521, pp.119495. ⟨10.1016/j.jnoncrysol.2019.119495⟩. ⟨hal-02363638⟩

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