Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan
24th Fall Meeting of The Ceramic Society of Japan
Session ID : 1C00
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Host: The Ceramic Society of Japan

Study of transparent ceramic Pr:LuAG scintillator for medical application
*Takayuki Yanagida, Yutaka Fujimoto, Kei Kamada, Yuui Yokota, Akira Yoshikawa, Hideki Yagi, Takagimi Yanagitani
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Keywords: Scintillator, Transparent ceramic
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Abstract
We developed transparent ceramic Pr:LuAG scintillator for the positron emission tomography (PET) application. Up to now, single crystal Pr:LuAG scintillator is available and onboard the positron emission mammography (PEM). However, due to a huge segregation of Pr3+ ions, in single crystal fabricated by the melt growth, we cannot dope Pr3+ ions more than 0.2-0.25 mol%. By the vacuum sintering, we successfully dope 0.25-1 mol% Pr3+ into LuAG and the absolute light yield of Pr:LuAG ceramic exceed that of the single crystalline counterpart.
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© The Ceramic Society of Japan 2011
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