Growth and radioluminescence of metal elements doped LiCaAlF6 single crystals for neutron scintillator

Chieko Tanaka, Yuui Yokota, Shunsuke Kurosawa, Akihiro Yamaji, Vitezslav Jary, Vladimir Babin, Jan Pejchal, Yuji Ohashi, Kei Kamada, Martin Nikl, Akira Yoshikawa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The ns2-type metal elements (Pb and Sn) doped LiCaAlF6 single crystals were grown by a micro-pulling-down (μ-PD) method. Pb doped LiCaAlF6 [Pb:LiCAF] crystals showed high transparency and single phase of the LiCAF structure. However, we could not obtain Sn:LiCAF crystals due to the evaporation of SnF2 during the crystal growth. There was an absorption peak around 193 nm in the transmittance spectrum of Pb:LiCAF crystal. In the radioluminescence spectrum of the Pb:LiCAF crystal under X-ray irradiation, two emission peaks around 200 and 830 nm were observed.

Original languageEnglish
Pages (from-to)170-173
Number of pages4
JournalRadiation Measurements
Volume90
DOIs
Publication statusPublished - 2016 Jul

Keywords

  • LiCaAlF
  • Neutron scintillator
  • Pb
  • Single crystal

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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