闪烁
光致发光
材料科学
吸收(声学)
谱线
中子
闪烁计数器
带隙
光学
分析化学(期刊)
光电子学
物理
核物理学
化学
探测器
色谱法
复合材料
天文
作者
Takayuki Yanagida,Yutaka Fujimoto,Masanori Koshimizu,Naoki Kawano,Go Okada,Noriaki Kawaguchi
标识
DOI:10.7566/jpsj.86.094201
摘要
We have investigated optical and scintillation properties of LiGaO2 and LiAlO2 crystals. From the transmittance spectra, the absorption edges were found to be around 200 nm but wider band gap was confirmed for LiAlO2 than LiGaO2. Both photoluminescence and scintillation spectra showed a broad emission band peaking at 340 nm in the both crystals. The scintillation decay times of LiGaO2 were 460 ns and 2.8 µs while that of LiAlO2 was 2 µs. Under neutron irradiation from 252Cf, the absolute scintillation light yields of LiGaO2 and LiAlO2 were 3300 ± 300 and 7200 ± 700 ph/n, respectively.
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