2 inch diameter single crystal growth and scintillation properties of Ce:Gd 3Al 2Ga 3O 12

Kei Kamada, Takayuki Yanagida, Takanori Endo, Kousuke Tsutumi, Yoshiyuki Usuki, Martin Nikl, Yutaka Fujimoto, Akihiro Fukabori, Akira Yoshikawa

研究成果: Article査読

244 被引用数 (Scopus)

抄録

2inch size Ce:Gd 3Al 2Ga 3O 12 (Ce:GAGG) single crystals were grown by the Czochralski (Cz) method using [100] oriented seed. The crystals were up to 120 mm in length and 50 mm in diameter were achieved and had no cracks. Luminescence and scintillation properties were measured. In order to determine light yield, the energy spectra were collected under 662 keV γ-ray excitation ( 137Cs source) were detected by a with avalanche photodiode (APD) S8664-55(Hamamatsu).The light yield of CeGAGG sample was calibrated from 55Fe direct irradiation peak to APD. The light yield was around 46,000 photon/MeV. Energy resolution was 4.9%@662 keV for 5×5×1 mm sample. The theoretical density of CeGAGG is 6.63 g/cm 3.

本文言語English
ページ(範囲)88-90
ページ数3
ジャーナルJournal of Crystal Growth
352
1
DOI
出版ステータスPublished - 2012 8 1

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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