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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Influence of molybdenum ions on the structure of ZnO-As_2O _3-Sb_2O_3 glass system by means of spectroscopic and dielectric studies
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Influence of molybdenum ions on the structure of ZnO-As_2O _3-Sb_2O_3 glass system by means of spectroscopic and dielectric studies

机译：光谱和介电研究钼离子对ZnO-As_2O_3-Sb_2O_3玻璃体系结构的影响

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摘要

Glasses of the composition 5 ZnO-(50 - x) As_2O_3-45 Sb_2O_3:x MoO_3, with six values of x ranging from 0 to 10 mol% are prepared. The samples are characterized by X-ray diffraction, scanning electron microscopy and differential thermal analysis (DTA) techniques. A number of studies, viz., spectroscopic properties (optical absorption, IR, Raman, and ESR spectra), magnetic susceptibility and dielectric properties (dielectric constant ε′, loss tan δ, ac conductivity σ_(ac) over a wide range of frequency and temperature as well as dielectric break down strength at room temperature), are carried out as a function of molybdenum ion concentration and analyzed in the light of different oxidation states of molybdenum. The analyses of the results indicate that molybdenum ions mostly exist in Mo~(5+) state rather than in Mo ~(6+) state.
机译：制备组成为5 ZnO-（50-x）As_2O_3-45 Sb_2O_3：x MoO_3的玻璃，其六个x值在0至10 mol％之间。样品通过X射线衍射，扫描电子显微镜和差热分析（​​DTA）技术进行表征。大量研究，即在很宽的频率范围内的光谱性质（光吸收，IR，拉曼和ESR光谱），磁化率和介电性质（介电常数ε'，损耗tanδ，交流电导率σ_（ac）温度，温度以及室温下的介电击穿强度）作为钼离子浓度的函数，并根据钼的不同氧化态进行分析。结果分析表明，钼离子主要以Mo〜（5+）态存在，而不是Mo〜（6+）态。

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