Crystal growth and properties of γ-CuI:Cl ultrafast scintillator

Shutong Hao; Xiaolin Liu; Mu Gu; Qianli Li

doi:10.1117/12.2604191

9 September 2021 Crystal growth and properties of γ-CuI:Cl ultrafast scintillator

Shutong Hao, Xiaolin Liu, Mu Gu, Qianli Li

Author Affiliations +

Proceedings Volume 11909, Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021); 119090B (2021) https://doi.org/10.1117/12.2604191
Event: Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021), 2021, Chengdu, China

Abstract

As a potential ultrafast scintillator, Cl-doped γ-CuI single crystal was successfully grown in acetonitrile solvent through evaporation technique, and its crystal structure and luminescence characteristics were investigated in detail. The results of photoluminescence and X-ray excited luminescence spectra indicated that the near-band-edge (NBE) emission of the crystal was significantly enhanced, and simultaneously its deep-level (DL) emission was suppressed greatly. And the NBE emission of the crystal exhibited a sub-nanosecond decay time. It is demonstrated that a superior luminescence performance can be expected for Cl-doped γ-CuI crystal by increasing dopant concentration. This work offers a suggestion for optimizing the scintillation properties of the γ-CuI crystal.

Citation Download Citation

Shutong Hao, Xiaolin Liu, Mu Gu, and Qianli Li "Crystal growth and properties of γ-CuI:Cl ultrafast scintillator", Proc. SPIE 11909, Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021), 119090B (9 September 2021); https://doi.org/10.1117/12.2604191

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