Optical and scintillation properties of Ce-doped 20CsCl-20BaCl2-60ZnCl2 glasses

Optical and Optically Stimulated Luminescence Properties of Ce-doped CsCl–CaCl2–ZnCl2 Glasses

“…The PL QYs of the 0.01, 0.05, and 0.1% Ce -doped CCZ glasses upon excitation at 320 nm were 75.6, 87.6, and 81.5%, respectively. The PL QYs of the Ce -doped CCZ glasses were higher than that of a Cedoped CBZ glass (~76%) (32) and comparable to that of a commercial GS20 Li-glass scintillator (~80%). (42) Figure 4 shows the PL decay curves of the Ce-doped glasses monitored at 380 nm under excitation with a wavelength of 340 nm.…”

“…(15,43) The decay time increased with increasing Ce concentration, and the concentration dependence was not consistent with that of PL QY. Such phenomena were also observed in Ce-doped CBZ glasses, (32) and the reason for them is still unclear. One possible reason is that as the concentration increased, energy transfer between the emission centers occurred without nonradiative quenching, resulting in a delay of the decay.…”

“…(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31) In our previous studies, we investigated Eu-or Ce-doped 20CsCl-20BaCl 2 -60ZnCl 2 (CBZ) glasses and clarified that Ce-doped samples showed high PL quantum yields (QYs) of 75.7%. (32,33) However, most previous studies on the dosimetric properties of glasses have examined the TSL and OSL properties of oxide glasses, (34)(35)(36)(37)(38) and there have been no studies evaluating the OSL characteristics of ZnCl 2 -based glasses. In this study, we evaluated the OSL properties of Ce-doped 20CsCl-20CaCl 2 -60ZnCl 2 (CCZ) glasses for the first time, and the effects of doping on optical and OSL characteristics were also investigated.…”

Optical and Scintillation Properties of Eu-doped CsBr–BaBr2–ZnBr2 Glasses

“…These values were comparable to those of Ce-doped 20CsCl-20BaCl 2 -60ZnCl 2 glasses, and the light yields of these glasses were higher than those of Eu-doped 20CsCl-20BaCl 2 -60ZnCl 2 glasses. (37,38) In the 0.1 and 0.5% Eu-doped glasses, no full-energy absorption peak was observed because of low light yields. Although the QY of 0.5% Eu-doped glasses was the highest among those of the prepared glasses, the light yields were lower than those of the 0.01 and 0.05% Eu-doped glasses; therefore, the 0.5% Eu-doped glass has the lowest energy migration efficiency from the host to the luminescence center.…”

“…Recently, there have been a few reports on the scintillation properties of non-oxide glasses such as AEF 2 -Al 2 O 3 -B 2 O 3 (AE = Ca, Sr, Ba), (32)(33)(34) (35) CeCl 3 -CsCl-CsPO 3 -Al(PO 3 ) 3 , (36) and CsCl-BaCl 2 -ZnCl 2 . (37,38) In particular, AEF 2 -Al 2 O 3 -B 2 O 3 shows higher quantum yields (>80%) and light yields (~1800 ph/MeV) than the reported oxide glasses. Thus, non-oxide glasses as scintillators can be considered as promising materials.…”