Crystal growth and scintillation properties of selected fluoride crystals for VUV scintillators

Jan Pejchal, Kentaro Fukuda, Akihiro Yamaji, Yuui Yokota, Shunsuke Kurosawa, Robert Kral, Martin Nikl, Akira Yoshikawa

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Single crystals of orthorhombic and monoclinic BaLu2F8doped with Nd and Tm were grown by micro-pulling-down method. The monoclinic (low temperature modification) was grown using LiF flux, while the orthorhombic (high temperature modification) was grown with special hot-zone with shallow gradient and employing quenching process. Reasonable scintillation efficiency was achieved for the crystals of the former modification, while no rare-earth ion emission was observed in the latter due to preferential energy transfer to defects. The orthorhombic (low temperature) modification of ErF3was grown using LiF flux and hot zone with steep gradient. Quite low scintillation efficiency was found for the Nd-doped sample due to energy migration over the Er3+levels. Possibility of using pure ErF3as an infra-red scintillator is discussed.

本文言語English
ページ(範囲)833-838
ページ数6
ジャーナルJournal of Crystal Growth
401
DOI
出版ステータスPublished - 2014 9 1

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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