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KMID : 0364920090340020083
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Journal of Radiation Protection and Research
2009 Volume.34 No. 2 p.83 ~ p.86
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CHARACTERISTICS EVALUATION AND GROWTH OF SINGLE CRYSTAL BY CZOCHRALSKI METHOD
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Cho Yun-Ho
Kim Yong-Kyun
Lee Woo-Gyo
Kang Byoung-Hwi
Kim Jong-Kyung
Lee Dong-Hoon
Park Jae-Woo
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Abstract
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The single crystal scintillator of bismuth germinate (:BGO) was successfully grown by the conventional Czochraski technique. The characteristics of the grown BGO were evaluated and presented on the excitation, emission responses and energy spectra of the -rays from , , , , and radio-isotopes. The energy resolution of grown BGO, E/E, was estimated to be 12.1% at 662 keV of -ray for nuclide. Compared to the commercial BGO crystal, we confirmed that the grown BGO has a good performance and is comparable to reference one.
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KEYWORD
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BGO Single Crystal, Scintillator, Czochralski Method, Energy Resolution
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