钨对铌酸盐碲酸盐玻璃物理光学性能的影响

M. S. Shaharin, R. Arifin, S. K. Ghoshal
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引用次数: 0

摘要

本文采用常规熔体淬火技术合成了三种(90-x)TeO2-10Nb2O5-xWO3 (x = 0,6,12 mol%)的光学透明铌酸钨碲酸盐玻璃。对这三种玻璃样品,分析了不同物理参数(如密度、摩尔体积和离子填充密度)对结构和成分的依赖关系。通过x射线衍射分析,证实了样品的无定形性质。对玻璃的物理性能进行了评价,并对玻璃的密度()、摩尔体积()和离子填充密度()的变化进行了分析,表明不同WO3含量对玻璃结构的影响。78teo2 - 10nb2o5 - 12WO3玻璃在632.8 nm处的折射率最高,为2.171。结果表明,在TeO2-Nb2O5玻璃体系中加入WO3浓度可以提高体系的密度值、摩尔体积值和离子填充密度。当光能带隙较小时,玻璃的折射率值有增大的趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Tungsten on Physical and Optical Properties of Niobate Tellurite Glasses
In the present work, three optically transparent tungsten niobate tellurite glasses with compositions of (90-x)TeO2-10Nb2O5-xWO3 (x = 0, 6, 12 mol%) were synthesized by conventional melt quenching technique. For all these three glass samples, the structural and the compositional dependence of different physical parameters such as density, molar volume and ionic packing density have been analyzed. It been observed that the amorphous nature of the samples has been confirm by X-ray diffraction analysis. The physical properties of the glasses were evaluated and the change in density ( ), molar volume ( ) and ionic packing density ( ) in these glasses indicates the effect of WO3 different content registered on the glasses structure. The highest refractive indexes value 2.171 at 632.8 nm was measured for 78TeO2–10Nb2O5–12WO3 glass. It is found that the addition of WO3 concentration to TeO2-Nb2O5 glass system increase the value of density, molar volume as well as ionic packing density. The refractive index value of the glass increase with tendency for small optical energy band gap.
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