Abstract In this work, the synthesis and structural and spectroscopy properties of glasses of the NaPO3–Sb2O3 – TeO2 system were investigated. Tellurium particles was obtained through the reduction action of antimony oxide when heated, via the Sb2O3 → Sb2O4 phase transition during the production of glasses. Heat treatment of the glasses also leads to tellurium particles formation. The reduction of Te4+ to Te0 process could be observed through Raman Spectroscopy, Scanning Electronic Microscopy images and Differential Scanning Calorimetry curves. The higher Sb2O3 concentration, the larger Te amount produced, while permanent changes of refraction index occur owing to metal – glass interface effect by the optical response of Te particles. The proposal approached in this work reveals a research field, which deserves attention according to the possibility of obtainment of new vitreous compounds containing a great variety of particles (metal-glass composites).

中文翻译：

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含碲颗粒的聚磷酸锑钠玻璃的制备及性能

摘要 在这项工作中，研究了 NaPO3-Sb2O3-TeO2 体系玻璃的合成、结构和光谱特性。碲颗粒是通过在玻璃生产过程中通过 Sb2O3 → Sb2O4 相变加热时氧化锑的还原作用而获得的。玻璃的热处理也会导致碲颗粒的形成。可以通过拉曼光谱、扫描电子显微镜图像和差示扫描量热曲线观察到 Te4+ 到 Te0 的还原过程。Sb2O3 浓度越高，产生的 Te 量越大，而由于 Te 粒子的光学响应引起的金属 - 玻璃界面效应，折射率会发生永久性变化。这项工作中提出的建议揭示了一个研究领域，