Characteristics of Ce-doped phosphate inorganic glass scintillators for gamma- and X-ray detection

• DOI: 10.1007/s10854-024-12307-y
• Publication Date: 2024-03-15T08:02:23Z
• Authors: Yusuke Nakabayashi; Yutaka Fujimoto; Masanori Koshimizu; Hiroki Kawamoto; Keisuke Asai
• Keywords: Phosphate glass

Abstract We report on the structural, photoluminescence (PL), and scintillation properties of Ce-doped P 2 O 5 –Al 3 –Cs O–BaO glass scintillators having different Ce concentrations (1.96, 3.85, 7.41, 10.7, 13.8 mol%) for gamma- X-ray detection. The highest density (3.57 g/cm ) was achieved with concentration mol%. PL emission X-ray-induced radioluminescence spectra showed peaks corresponding to allowed transition from 3+ 5d excited state 4f ground states. light yields (approximately 2200 photons/MeV) were These are higher than those previously reported glasses containing heavy elements, such as Eu-doped SiO –HfO (630 photons/MeV), –Li O–GdI –CaCO (1600 –BaF –Gd (2050 photons/MeV). For all glasses, short decay times (28.5–34.0 ns) states observed. results indicate that fabricated an optimal mol% is suitable