Scintillation and thermally-stimulated luminescence properties of Pr-doped SrAl2O4 single crystals

Daisuke Nakauchi, Go Okada, Masanori Koshimizu, Takayuki Yanagida

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

SrAl2O4 single crystals with different concentrations of Pr (0.5–5%) were grown by the floating zone method. Both the photoluminescence and scintillation spectra consist of a broad emission band around 300 nm and several sharp emissions around 500–1100 nm due to Pr3+. The decay time constants of these emissions are 20–50 ns and 70–200 μs, respectively, which are typical values of Pr3+. From the pulse height spectrum under 137Cs γ-ray irradiation, it was found that 3% Pr-doped SrAl2O4 shows the highest light yield (∼480 ph/MeV) among the present samples.

Original languageEnglish
Pages (from-to)170-174
Number of pages5
JournalRadiation Measurements
Volume106
DOIs
Publication statusPublished - 2017 Nov 1

Keywords

  • Floating zone method
  • Photoluminescence
  • Scintillation
  • Single crystal
  • Strontium aluminate
  • Thermally-stimulated luminescence

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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