Light yield measurement of the Ce3+ activated LuAG nano-powder garnet scintillating detector

Authors

  • Hamza Mekki Nuclear Research Center of Birine, ALGERIA
  • Lakhdar Guerbous Nuclear Research Center of Algiers, ALGERIA
  • Hicham BOUSBIA-SALAH Ecole National Polytechnique, Algiers, ALGERIA
  • Billel Zahra Nuclear Research Center of Birine, ALGERIA
  • Allaoua Boukerika Nuclear Research Center of Algiers, ALGERIA

DOI:

https://doi.org/10.53907/enpesj.v4i1.222

Keywords:

LuAG scintillation detector, light yield measurement, alpha particles, nano-powder

Abstract

This paper focuses on the characterization of nano-powder (NP) scintillator, specifically presenting preliminary results of the measurement of the light yield (LY) of a newly synthesized Lutetium Aluminum (LuAG) garnet phosphor NP scintillator, doped with 0.1% cerium. The scintillation light yield was measured using the comparative method. Considering the light-scattering and self-absorbing properties of powder scintillators, alpha particles from 241Am source were used for excitation instead of Gamma/X rays, while a Ce3+ activated LuAG single crystal (SC) was employed as the reference detector due to its well-established light yield. A photomultiplier tube (PMT) served as the photodetector, and signals were read out by a nuclear instrumentation chain. The results demonstrate that the newly prepared LuAG:Ce NP exhibits a light output that is approximately 90% of that of the single crystal reference. These findings highlight the promising potential of NP scintillators as a viable alternative to single crystals, especially in applications where the preference for powder scintillators is evident.

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Published

2024-07-13

Issue

Vol. 4 No. 1 (2024): ENP Engineering Science Journal

Section

Article

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Copyright (c) 2024 ENP Engineering Science Journal

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