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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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cesi薄膜的离子束合成及其室温光致发光特性
Keywords: cesi2,离子束合成,光致蓝紫光谱
Abstract:
？将能量为45kev的ce离子注入到si单晶片中,研究硅化铈薄膜的离子束合成及其室温光致发光特性.透射电镜观察表明在单晶硅的表面形成厚100nm的ce离子注入层,选区电子衍射和x射线衍射分析表明注入层内形成了cesi2.cesi2的结晶程度随注入剂量的增加而逐渐完整.用远紫外光激发得到了室温蓝紫色pl谱,以红光(650~700nm)激发,则上转换蓝光和紫光发射的效率较高,其发光特性比较稳定.蓝光和紫光受激发射峰的强度随注入剂量的增加而迅速增加.
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