Luminescence and scintillation properties of Tl- and Ce-doped Cs2HfCl6 crystals

Keiichiro Saeki, Yutaka Fujimoto, Masanori Koshimizu, Daisuke Nakauchi, Hironori Tanaka, Takayuki Yanagida, Keisuke Asai

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16 Citations (Scopus)

Abstract

The luminescence and scintillation properties of Tl- and Ce-doped Cs2HfCl6 crystals were investigated by photoluminescence and radioluminescence spectroscopy. In the photoluminescence spectra, emission bands of the activators were observed at 500 nm for Tl-doped Cs2HfCl6, and at 340 and 380 nm for Ce-doped Cs2HfCl6. The radioluminescence bands were observed at 405 and 430 nm for Tl- and Ce-doped Cs2HfCl6, respectively. Scintillation decay time constants for the Tl- and Ce-doped Cs2HfCl6 were smaller than those for the corresponding undoped crystals. Scintillation light yields for Tl- and Ce-doped Cs2HfCl6 were estimated to be 23,700 and 15,700 photons/MeV, respectively.

Original languageEnglish
Article number020307
JournalJapanese Journal of Applied Physics
Volume56
Issue number2
DOIs
Publication statusPublished - 2017 Feb

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