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Photoluminescent properties and Raman spectra of ZnO-based scintillating glasses

机译:ZnO基闪烁玻璃的光致发光特性和拉曼光谱

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摘要

Glasses in SiO2-ZnO-BaO system with the different ZnO/BaO ratio were studied. In some cases, BaF2 was introduced to substitute for BaO on the equal base. Photoluminescent spectra showed that ZnO in glass matrices behaved somewhat differently from ZnO crystals. Especially, the introduction of fluorine ions led to dramatic shift of UV emission band of glasses closer to that of ZnO crystals. Raman spectral analysis provided consistent results. In particular, Raman bands in the high frequency region are sensitive to effects of different ZnO/BaO or BaF2/BdO ratio on structure of glasses.
机译:研究了不同ZnO / BaO比的SiO2-ZnO-BaO体系玻璃。在某些情况下,引入了BaF2来替代等价的BaO。光致发光光谱表明,玻璃基质中的ZnO行为与ZnO晶体有些不同。特别地,氟离子的引入导致玻璃的UV发射带显着地移动到更接近ZnO晶体的UV发射带。拉曼光谱分析提供了一致的结果。特别地,高频区域中的拉曼带对不同的ZnO / BaO或BaF2 / BdO比对玻璃结构的影响敏感。

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