Effect of halide ion concentration and irradiation dose dependent photostimulated luminescence investigation in the image screen phosphor CsBr1-xClx:Euy2+

Development of mixed halide translucent ceramics for imaging plates

“…Subramaniam et al reported that the OSL emission and stimulation spectra of Eu-doped Cs(Cl, Br) crystals can be controlled by the ratio of anions. 49,80) However, there are a few reports on the OSL properties of Cs (Cl, Br) crystals with the ratio of the different anions. As a possible reason, the crystal growth of the Cs(Cl, Br) is difficult because CsCl has a phase transition from CsCl to NaCl structures at 469 °C.…”

“…[38][39][40][41] In addition, it has been reported that the stimulation spectra can be controlled by the anion ratio in some materials including Eu-doped K(Cl, Br), 35) BaF(Cl, Br, I), 51) and Cs(Cl, Br). 48,49) As another approach to improving OSL properties, although the storage phosphors of practical IPs were mainly used in the form of powders and needle crystals, the OSL properties of storage phosphors using translucent ceramics were recently reported. [52][53][54][55][56][57][58][59][60][61] The translucent ceramics can exhibit the OSL signals from not only the surface but also inside of the ceramics.…”