Crystal growth and luminescence properties of Pr-doped LuLiF4 single crystal

Makoto Sugiyama, Takayuki Yanagida, Yuui Yokota, Shunsuke Kurosawa, Yutaka Fujimoto, Akira Yoshikawa

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

0.1, 1, and 3% Pr (with respect to Lu) doped LuLiF4 (Pr:LuLiF4) single crystals were grown by the micro-pulling-down (μ-PD) method. Transparency of the grown crystals was higher than 70% in the visible wavelength region with some absorption bands due to Pr3+ 4f-4f transitions. Intense absorption bands related with the Pr3+ 4f-5d transitions were observed at 190 and 215 nm. In radioluminescence spectra, Pr3+ 5d-4f emissions were observed at 220, 240, 340, and 405 nm. In the pulse height spectra recorded under 137Cs γ-ray excitation, the Pr 3% doped sample showed the highest light yield of 2050 photons/MeV and the scintillation decay time of it exhibited 23 and 72 ns also excited by 137Cs γ-ray.

Original languageEnglish
Pages (from-to)112-115
Number of pages4
JournalRadiation Measurements
Volume55
DOIs
Publication statusPublished - 2013 Aug

Keywords

  • LuLiF
  • Pr 5d-4f emission
  • Scintillator
  • Single crystal

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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