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Effect of calcining temperature on electrical and dielectric properties of cadmium stannate

机译:煅烧温度对锡酸镉电和介电性能的影响

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摘要

The cadmium stannate samples were prepared by chemical co-precipitation method using stannic chloride pentahydrate (SnCl_4·5H_2O) and cadmium chloride (CdCl_2) as precursors by carefully controlling the preparative parameters. The effect of calcining temperature on the phase, micro-structure, morphological and electrical properties of cadmium stannate has been investigated. The X-ray diffraction patterns indicate the conversion of rhombohedral to spinel cubic crystal structure and polycrystallinity of the samples. SEM study of Cd_2SnO_4 sample shows randomly distributed cubic crystals of varying sizes. The dc resistivity was measured as a function of temperature. The dielectric constant and dielectric loss were studied as a function of frequency. To understand the conduction mechanism in the samples AC conductivity was measured.
机译:通过化学共沉淀法,以五水合氯化锡(SnCl_4·5H_2O)和氯化镉(CdCl_2)为前体,通过仔细地控制制备参数,制备了锡酸镉样品。研究了煅烧温度对锡酸镉的相,微观结构,形貌和电学性质的影响。 X射线衍射图表明菱形向尖晶石立方晶体结构的转变和样品的多晶性。 Cd_2SnO_4样品的SEM研究显示大小随机分布的立方晶体。测量直流电阻率随温度的变化。研究了介电常数和介电损耗随频率的变化。为了了解样品中的导电机理,测量了AC电导率。

著录项

  • 来源
    《Applied Surface Science》 |2009年第14期|6675-6678|共4页
  • 作者单位

    Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;

    Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;

    Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;

    Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;

    Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;

    Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cadmium stannate; X-ray diffraction; microstructure; dc resistivity; dielectric constant;

    机译:锡酸镉X射线衍射;微观结构直流电阻率介电常数;

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