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2018 Fiscal Year Final Research Report

Development of scintillator materials for gamma-ray detection

Research Project

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Project/Area Number 17H06867
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Quantum beam science
Research InstitutionAkita University

Principal Investigator

Kawano Naoki  秋田大学, 理工学研究科, 特任講師 (60800886)

Research Collaborator Yanagida Takayuki  奈良先端科学技術大学院大学
Project Period (FY) 2017-08-25 – 2019-03-31
Keywords励起子 / 量子井戸 / シンチレータ
Outline of Final Research Achievements

We have developing scintillator materials for medical devices such as positron emission tomography (PET). Scintillators are a kind of phosophor materials, which convert high energy radiation into low energy photons. Typical requirements of scintillators for PET include high light yield and fast decay time. In this study, we used organic-inorganic layered perovskite-type compounds. Phenethylamine with substituent group was incorporated into the organic layer to enhance scintilaltion light output. Throughout this study, we fabricated the hybrid compounds, which showed 20000 photons/MeV.

Free Research Field

量子ビーム物質科学

Academic Significance and Societal Importance of the Research Achievements

高齢化に伴い、癌診断装置の需要がますます増加していくものと予想される。今回、開発したシンチレータの性能は、ポジトロン断層法で使用されているシンチレータGSO:Ceよりも優れた発行特性を示すものである。今回の成果を活用し、大きな単結晶を育成する技術を開発することで、ポジトロン断層法の癌解像度がさらに向上するものと期待される。

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Published: 2020-03-30  

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