O12:Ce scintillator

摘要： The light yield (LY) and decay kinetics of a single crystal scintillator of Gd3Al2Ga3O12(GAGG):Ce were measured for 0.662 MeV ??- and 5.48 MeV ??-rays between ?100 ?C and room temperature. As the temperature decreased, the LY increased by 20% for ??-rays, reaching its maximum at around ?70 ?C, and increased monotonously by 50% for ??-rays. Both the rise and decay times increased gradually. Furthermore, the results indicate that pulse shape discrimination is most effective at room temperature.