| Project/Area Number |
21860024
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Nuclear engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
SHIBUYA Kengo The University of Tokyo, 大学院・総合文化研究科, 助教 (20415425)
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| Co-Investigator(Renkei-kenkyūsha) |
SAITO Haruo 東京大学, 大学院・総合文化研究科, 准教授 (60235059)
MASANORI Koshimizu 東北大学, 大学院・工学研究科, 助教 (40374962)
KISHIMOTO Shunji 高エネルギー加速器研究機構, 物質構造科学研究所, 准教授 (00195231)
NISHIKIDO Fumihiko 放射線医学総合研究所, 分子イメージング研究センター, 研究員 (60367117)
ASAI Keisuke 東北大学, 大学院・工学研究科, 教授 (60231859)
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| Project Period (FY) |
2009 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥2,743,000 (Direct Cost: ¥2,110,000、Indirect Cost: ¥633,000)
Fiscal Year 2010: ¥1,274,000 (Direct Cost: ¥980,000、Indirect Cost: ¥294,000)
Fiscal Year 2009: ¥1,469,000 (Direct Cost: ¥1,130,000、Indirect Cost: ¥339,000)
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| Keywords | シンチレータ / 放射線計測 / 多重量子井戸 / 有機無機ハイブリッド化合物 / 結晶化 / 時間分解能 / 放射光(X線) / 核共鳴散乱 / X線検出器 / 励起子 / 多重量子井戸構造 / 放射光 / メスバウアー / 結晶構造解析 / 核医学(PET) |
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| Research Abstract |
Lead-halide-based perovskite-type organic/inorganic hybrid compound, (R-NH_3)_2(CH_3NH_3)_<m-1>M_m X_<3m-1>, was optimized as a scintillator material, and an X-ray sensor with the grown single crystal mounted on a photomultiplier tube was developed. The sensor detected 67.4 keV X-rays with a subnanosecond timing resolution of 0.7 ns and a high detection efficiency of 24%. This can reduce an acquisition time of 61Ni Mossbauer resonance to be a seventh in comparison with a plastic scintillator.
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