Investigation CeF3 Doped SiO2-Al2O3-BaF2-Gd2O3 Glasses Effect on Luminescence and Scintillation Properties

Authors

  • Prapon Lertloypanyachai Faculty of Science and Technology, Muban Chombueng Rajabhat University, Ratchaburi
  • Nattasuda Yawai King Mongkut’s University of Technology Thonburi, Bangkok
  • Weerapong Chewpraditkul King Mongkut’s University of Technology Thonburi, Bangkok
  • Danping Chen  Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences Shanghai,201800PR China

Keywords:

Light yield, Luminescence, Scintillating glass

Abstract

Scintillating glasses with host compositions (in mol.%) of 50SiO2 - 20Al2O3 - 15BaF2 - 15Gd2O3 doped with CeF3 (0.50, 1 and 1.50 wt.%) were prepared by melt-quenching method under a CO reducing atmosphere. The emission band of the Ce3+: 5d - 4f transition in the spectral region 350 – 570 nm found in the photo- and radio-luminescence spectra. The integral scintillation efficiency was approximately 180% of the Bi4Ge3O12 (BGO) scintillator excited under X-ray irradiation. Light yield (LY) measured under excitation with  particles and  - rays. The 1 wt.% CeF3 glass shows a LY of 1969 photons/MeV at 662 keV  - rays, while the value of 228 photons/MeV was obtained at 5.50 MeV  particles and compared with BGO crystal. Photoluminescence decay kinetics displayed a few tens of nanoseconds decay time.

References

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Published

2021-08-16

How to Cite

Lertloypanyachai, P., Yawai, N., Chewpraditkul, W., & Chen , D. (2021). Investigation CeF3 Doped SiO2-Al2O3-BaF2-Gd2O3 Glasses Effect on Luminescence and Scintillation Properties. Creative Science, 13(3), 96–102. Retrieved from https://ph01.tci-thaijo.org/index.php/snru_journal/article/view/243888

Issue

Vol. 13 No. 3 (2021): SNRU JST (September - December 2021)

Section

Research Article