Abstract
In this study, we have synthesized Sr(PO3)2 glasses non-doped and doped with Ce (0.01, 0.05, 0.1, 1.0 and 3.0 mol%) prepared by the conventional melt-quenching method and investigated the optical properties [transmittance spectra, photoluminescence (PL) spectra, PL excitation spectra and PL decay times], scintillation properties with X-rays (scintillation spectra, scintillation decay times) and thermally-stimulated luminescence (TSL) properties (glow curves and dose response functions). The PL spectrum of the Ce-doped samples consist of an intense emission band due to the 5d–4f transitions of Ce3+ ion peaking at 350 nm. The decay time of the corresponding emission was 32–37 ns depending on the Ce concentration. The samples also showed scintillation with X-ray having a spectrum of an intense emission band peaking at 350 nm due to the Ce3+ ions, and decay time was 34–217 ns. The TSL glow peaks were observed at 190 and 450 °C for the Ce-doped glasses, and the dynamic range was confirmed at least over a three orders of magnitude 100–103 mGy.
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