Large size growth of terbium doped BaCl2/NaCl/KCl eutectic for radiation imaging

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4 Citations (Scopus)


In this study, a large-size eutectic scintillator of Tb-doped BaCl2/NaCl/KCl was grown using the Czochralski (Cz) and halide vertical Bridgman methods (H-VB). The suitability of these two growth methods for growing the eutectic was compared. Finally, 1 inch diameter eutectic bulks were obtained using the H-VB method. The Tb3+-derived strongest intensity peak at approximately 550 nm was observed by X-ray irradiation. An approximately 3 × 3 mm transparent eutectic wafer was cut and polished from the grown eutectic bulk. An imaging test using α-ray was performed using the grown eutectic, a fiber optic plate, and an electron-multiplying CCD camera. The resolution performance for radiation-imaging applications was evaluated.

Original languageEnglish
Article numberSC1009
JournalJapanese journal of applied physics
Issue numberSC
Publication statusPublished - 2022 May


  • crystal growth
  • eutectic
  • imaging
  • scintillator

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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