The 82nd JSAP Autumn Meeting 2021

Presentation information

Oral presentation

15 Crystal Engineering » 15.1 Bulk crystal growth

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

Fri. Sep 10, 2021 10:00 AM - 12:00 PM N221 (Oral)

Yuui Yokota(Tohoku Univ.), Satoshi Watauchi(Univ. of Yamanashi)

10:45 AM - 11:00 AM

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

Yui Takizawa1, Kei Kamada2,3, Kyoung Jin Kim2, Masao Yoshino1, Akihiro Yamaji2, Shunshke Kurosawa1,2, Yuui Yokota1, Hiroki Sato2, Satoshi Toyoda2, Yuji Ohashi2, Takashi Hanada1, Vladimir. V. Kochurikhin3, Akira Yoshikawa1,2,3 (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.

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