Morphology and Structural Studies of Tungsten Doped Arsenic Tellurite Glass and Glass-Ceramics

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Physics and Chemistry Pub Date : 2024-09-25 DOI:10.1134/S1087659623600977

Rajesh Siripuram, P. Satya Gopal Rao, Suresh Sripada

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Abstract

The comparative study on structural, thermal, and spectroscopic properties of a new transparent tungsten doped arsenic tellurite glass and glass-ceramic system with composition xWO₃ + (30 – x)As₂O₃ + 70TeO₂ (where x = 10, 20, 30 mol %) has been synthesized using conventional melt quenching and conventional heat treatment method. Various characteristics like physical, optical, structural, thermal and ESR of both the systems (glass and glass-ceramic) were studied. The physical parameters such as density of both glass and glass-ceramic systems shows increasing trend from 6.515–6.996 and 6.993–7.748 g/cm³. The thermal parameter glass transition temperature (T_g) of both glass and glass-ceramic samples is increased linearly from 331–353 and 336–367°C respectively. Structural analysis reveals that the present glass and glass-ceramic systems have TeO₄, TeO_3 + 1 and TeO₃ and WO₆ and/or WO₄ and AsO₃ units as fundamental structural units. The SEM and EDS spectra of glass-ceramic system shows that the particles agglomerates in the form of tetrahedron and strips like takes place and the size of the particles found to be in the range of 56 to 236 nm.

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掺钨砷碲玻璃和玻璃陶瓷的形态与结构研究

采用传统的熔体淬火和传统的热处理方法，合成了一种新的透明掺钨砷碲玻璃和玻璃陶瓷体系，其组成为 xWO3 + (30 - x)As2O3 + 70TeO2（其中 x = 10、20、30 mol %）。对两种体系（玻璃和玻璃陶瓷）的物理、光学、结构、热学和 ESR 等各种特性进行了研究。玻璃和玻璃陶瓷系统的密度等物理参数在 6.515-6.996 克/立方厘米和 6.993-7.748 克/立方厘米之间呈上升趋势。玻璃和玻璃陶瓷样品的热参数玻璃转化温度（Tg）分别从 331-353°C 和 336-367°C 呈线性上升趋势。结构分析表明，玻璃和玻璃陶瓷系统的基本结构单元为 TeO4、TeO3 + 1 和 TeO3 以及 WO6 和/或 WO4 和 AsO3。玻璃-陶瓷系统的扫描电子显微镜（SEM）和电子显微析出光谱（EDS）显示，颗粒呈四面体和条状团聚，颗粒大小在 56 至 236 纳米之间。

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.