探测器
碳化硅
材料科学
核工程
光电子学
半导体探测器
中子
辐射
中子通量
辐照
中子探测
核反应堆堆芯
粒子探测器
辐射损伤
核物理学
光学
物理
工程类
复合材料
作者
Se-Hwan Park,Junesic Park,Hee-Seo,Seung Hwan Lee,Heesung Shin,Ho Kim
标识
DOI:10.1109/nssmic.2013.6829850
摘要
Silicon carbide (SiC) radiation detector was developed at Korea Atomic Energy Research Institute (KAERI) for the harsh environment applications, which include power monitor of the reactor core of the nuclear power plant. The wide band gap of SiC semiconductor makes the SiC attractive candidate for use in high temperature and high radiation environment. The effects of radiation irradiation on the detector performance were studied. Especially, the effect of metal electrode on the radiation tolerance of the SiC detector was investigated. The leakage currents and the alpha energy spectra measured with the SiC detectors were compared before and after the neutron and gamma-ray irradiation. The operation properties of the SiC detector were also measured as the temperature of the detector was increased. A water-proof SiC detector assembly was fabricated as a power monitor of the power plant. The reactor power was successfully monitored in the reactor core of High-flux Advanced Neutron Application ReactOr (HANARO) of KAERI with the detector assembly.
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