[10p-PB2-1~19] KS4 Group of Quantum Energy Conversion

[10p-PB2-13] Scintillation Performance Evaluation of Ce³⁺-Doped BaFBr Crystals

〇Tsubasa Tamura¹, Hiroki Kawamoto¹, Yutaka Fujimoto¹, Keisuke Asai¹ (1.Tohoku Univ.)

Keywords:

scintillator,crystal,halide

Scintillation detectors are among the most sensitive radiation detection devices. We have focused on BaFX (X = Cl, Br, I) as a promising material system with excellent scintillation performance. In this material family, numerous studies have been reported on Eu²⁺-doped crystals. In contrast, although Ce³⁺ also exhibits luminescence originating from 5d–4f transitions, similar to Eu²⁺, there have been few reports on Ce³⁺-doped BaFX crystals. In this study, Ce³⁺ was introduced into BaFBr crystals, where high light yield and fast decay are expected, and their scintillation properties were evaluated.