Czochralski growth of 8 inch size BaF 2 single crystal for a fast scintillator

Kei Kamada, Teruhiko Nawata, Yoji Inui, Hiroyuki Yanagi, Hiroki Sato, Akira Yoshikawa, Martin Nikl, Tsuguo Fukuda

研究成果: Article査読

4 被引用数 (Scopus)

抄録

In this work we optimize the growth condition of 8 inch size BaF 2 single crystal which could be grown by the Czochralski (Cz) method with the resistive heating system and thermal insulators. Grown crystals were colorless transparent with 205 mm in diameter, 90 mm in length. The variation of the birefringence in the radial direction was 8.7 nm/cm. Grown BaF 2 single crystals show good transmittance (>80%) over 200 nm wavelength and super fast decay time of 0.60-0.63 ns. These characteristics indicate the high potential of 8-in. size BaF2 single crystal grown by the Cz method for TOF-PET.

本文言語English
ページ(範囲)159-162
ページ数4
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
537
1-2 SPEC. ISS.
DOI
出版ステータスPublished - 2005 1 21

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 器械工学

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