[10a-N221-1~7] 15.1 Bulk crystal growth

△ [10a-N221-4] Growth and scintillation properties of BaCl₂/NaCl/KCl eutectics for radiation imaging applications.

〇Yui Takizawa¹, Kei Kamada^2,3, Kyoung Jin Kim², Masao Yoshino¹, Akihiro Yamaji², Shunshke Kurosawa^1,2, Yuui Yokota¹, Hiroki Sato², Satoshi Toyoda², Yuji Ohashi², Takashi Hanada¹, Vladimir. V. Kochurikhin³, Akira Yoshikawa^1,2,3 (1.IMR Tohoku Univ., 2.NICHe Tohoku Univ., 3.C&A)

Keywords:scintillator, Imaging, eutectic

Radiation detectors composed of scintillators and photodetectors such CCD are widely used in X-ray imaging applications. Earlier, we have reported eutectic scintillators for X-ray imaging. Such scintillators consist of high refractive index fibers of several μm in diameter surrounded by lower refractive index matrix material. Such eutectic structure works as an optical waveguide and high-resolution X-ray imaging can be achieved. In this work, we investigate BaCl₂/NaCl/KCl eutectic using the BaCl₂ phase as a scintillator. Fabrication technology of the eutectic with optical waveguide structure and evaluation of scintillator characteristics were performed.