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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 >Transport property and structural characterization studies on (1-x)[0.75AgI : 0.25AgCl]: xTiO(2) conducting composite electrolyte system
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Transport property and structural characterization studies on (1-x)[0.75AgI : 0.25AgCl]: xTiO(2) conducting composite electrolyte system

机译:(1-x)[0.75AgI:0.25AgCl]:xTiO(2)导电复合电解质体系的输运性质和结构表征研究

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Transport property and structural investigation have been carried out on newly synthesized Ag+ ion conducting composite electrolyte system. The composite electrolyte system (1 - x)[0.75AgI:0.25AgCl]:xTiO(2), where 0 <= x <= 0.5 (in molar weight fraction) has been synthesized by melt quenching and annealing methods. The chemical compound TiO2 (second phase dispersoid) dispersed in different compositions in a quenched (0.75AgI:0.25AgCl) mixed system/solid solution; this solid solution was used as a first phase host salt in place of AgI. The different preparation routes were adopted for the composite electrolyte system. Composition x = 0. 1 exhibited highest conductivity at room temperature. The composite system 0.9[0.75AgI:0.25AgCl]:0.1TiO(2) was synthesized at different soaking times by melt quenching method. The system exhibited optimum conductivity at 20 min soaking time (sigma(rt) approximate to 1.4 x 10(-3) S/cm). The ac conductivity has been measured from Z'-Z" (Cole-Cole) complex impedance plots using impedance spectroscopic (IS) technique. The electrical conductivity as a function of temperature and frequency has been studied, and activation energy E-a, was calculated from Arrhenius plots for all compositions (0 <= x <= 0. 5). The dc conductivity value has been evaluated from Log sigma vs. logf plots. Structural characterization studies were carried out by X-ray diffraction (XRD) and differential thermal analysis (DSC) techniques. (c) 2006 Elsevier B.V. All rights reserved.
机译:对新合成的Ag +离子导电复合电解质体系进行了输运性质和结构研究。通过熔体淬火和退火方法合成了其中0 <= x <= 0.5(以摩尔分数计)的复合电解质体系(1-x)[0.75AgI:0.25AgCl]:xTiO(2)。化合物TiO2(第二相分散体)以不同的成分分散在淬灭的(0.75AgI:0.25AgCl)混合体系/固溶体中;该固体溶液代替AgI用作第一相主体盐。复合电解质体系采用了不同的制备途径。组成x =0。1在室温下表现出最高的电导率。通过熔融淬火法在不同的浸泡时间下合成了0.9 [0.75AgI:0.25AgCl]:0.1TiO(2)复合体系。该系统在20分钟的浸泡时间下表现出最佳的电导率(σ(rt)大约为1.4 x 10(-3)S / cm)。使用阻抗谱(IS)技术从Z'-Z“(Cole-Cole)复阻抗图测量了交流电导率。研究了电导率随温度和频率的变化,并从中计算了活化能Ea所有成分的Arrhenius图(0 <= x <= 0. 5)。直流电导率值通过Log sigma vs. logf图进行评估。结构表征研究通过X射线衍射(XRD)和差热分析进行(DSC)技术(c)2006 Elsevier BV保留所有权利。

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