Evaluations of scintillation properties of LiSrAlF6 scintillator for thermal neutron detection

Takayuki Yanagida, Noriaki Kawaguchi, Yutaka Fujimoto, Yuui Yokota, Atsushi Yamazaki, Kenichi Watanabe, Kei Kamada, Akira Yoshikawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Ce 1%, Eu 1%, and Eu 2%-doped LiSrAlF6 (LiSAF) single crystals were grown by the micro-pulling-down (-PD) method for thermal neutron applications. The crystals were transparent, 2.0 mm in diameter and 20-40 mm in length. Neither visible inclusions nor cracks were observed. Their transmittance spectra were measured. The strong absorption lines were observed at 200, 240, and 300 nm for Ce:LiSAF due to Ce3 4f-5d transition. In Eu:LiSAF, 200 (4f-5d) and 300 (4f-4f) nm absorption lines appeared. When they were irradiated by 241Am -ray simulating neutron excitation, strong emission peak appeared at 300 nm in Ce:LiSAF and 370 nm in Eu:LiSAFs, respectively. Thermal neutron responses were investigated under 252Cf irradiation. The absolute light yield of Ce, Eu 1%, and Eu 2% samples were 3400, 18000, and 30000 ph/n, respectively. Main components of the scintillation decay time of Ce, Eu 1%, and Eu 2%-doped LiSAFs were 63, 1293, and 1205 ns.

Original languageEnglish
Title of host publicationIEEE Nuclear Science Symposuim and Medical Imaging Conference, NSS/MIC 2010
Pages182-184
Number of pages3
DOIs
Publication statusPublished - 2010 Dec 1
Event2010 IEEE Nuclear Science Symposium, Medical Imaging Conference, NSS/MIC 2010 and 17th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors, RTSD 2010 - Knoxville, TN, United States
Duration: 2010 Oct 302010 Nov 6

Publication series

NameIEEE Nuclear Science Symposium Conference Record
ISSN (Print)1095-7863

Other

Other2010 IEEE Nuclear Science Symposium, Medical Imaging Conference, NSS/MIC 2010 and 17th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors, RTSD 2010
CountryUnited States
CityKnoxville, TN
Period10/10/3010/11/6

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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    Yanagida, T., Kawaguchi, N., Fujimoto, Y., Yokota, Y., Yamazaki, A., Watanabe, K., Kamada, K., & Yoshikawa, A. (2010). Evaluations of scintillation properties of LiSrAlF6 scintillator for thermal neutron detection. In IEEE Nuclear Science Symposuim and Medical Imaging Conference, NSS/MIC 2010 (pp. 182-184). [5873741] (IEEE Nuclear Science Symposium Conference Record). https://doi.org/10.1109/NSSMIC.2010.5873741