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KMID : 1151820100040040025
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Journal of the Korean Society of Radiology
2010 Volume.4 No. 4 p.25 ~ p.28
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Study on Fabrication and Photoluminescent Properties of Fine Phosphor Film for Application of Radiation Image Sensor
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Kang Sang-Sik
Choi Young-Zoon
Lee Kwang-Ok
Moon Yong-Soo
Kim Mi-Young
Lee Sang-Bong
Joeng Bong-Jae
Park Ji-Koon
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Abstract
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In this paper, the fabrication and feasibility study of clinical application with euripium doped gadollium oxide (Gd₂O₃:Eu) nano phosphor derived by low-temperature solution combustion method. From the fabricated phosphor, the photoluminescent characteristic and linearity as a function of phosphor film thickness were investigated to evaluate x-ray converstion properties. From the experimental results, the luminescent intensity was 2945 pC/㎠-mR at 270 ㎛ Gd₂O₃:Eu film and this value is higher 1.2 time the conventional bulk phosphor, which is possible to imaging acquisition. And good linearity was shown at x-ray exposure range for clinical diagnostic application.
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