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

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

研究成果: Article査読

4 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)112-115
ページ数4
ジャーナルRadiation Measurements
55
DOI
出版ステータスPublished - 2013 8

ASJC Scopus subject areas

  • 放射線
  • 器械工学

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