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首页> 外文期刊>Materials science forum >The Influence of the Sintering Temperature on the Properties of the 0.98Pb(Zr_(1-x)Ti_x)O_3-0.02La(Fe~(3+)_0.5, Nb~(5+)_0.5)O_3 Ceramic Systems
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The Influence of the Sintering Temperature on the Properties of the 0.98Pb(Zr_(1-x)Ti_x)O_3-0.02La(Fe~(3+)_0.5, Nb~(5+)_0.5)O_3 Ceramic Systems

机译：烧结温度对0.98pb（Zr_（1-x）Ti_x）O_3-0.02LA（Fe〜（3 +）_ 0.5，Nb〜（5 +）_ 0.5）O_3陶瓷系统的性能的影响

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摘要

The ferroelectric solid solutions described by a general formula 0.98Pb(Zr_(1-x)Ti_x)O_3-0.02La(Fe~(3+)_0.5, Nb~(5+)_0.5)O_3 have been obtained by solid state reaction technique, where x assumes the following values: 0.42, 0.48 and 0.58. The structure of these ferroelectric compositions has been investigated in detail using X-ray diffraction analysis (XRD) and Scanning Electron Microscopy (SEM). The results obtained by XRD have evidenced that all obtained samples have a perovskite structure. The influence of the sintering temperature on the degree of incorporation of the elements in the solid solution have been studied too. The dielectric and piezoelectric constants have been determined and the influence of temperature on obtained values are presented and discussed. The performed experimental results have pointed out that the materials are characterized by a high anisotropy. Furthermore, the obtained values of the electromechanical coupling factor (k_p) is situated between 0.40÷0.65 depending on the composition and the sintering temperature too.
机译：通过通式0.98Pb（Zr_（1-x）Ti_x）O_3-0.02LA（Fe〜（3 +）_ 0.5，Nb〜（5 +）_ 0.5）O_3所描述的铁电固溶体固态反应技术，其中X假定以下值：0.42,0.48和0.58。使用X射线衍射分析（XRD）和扫描电子显微镜（SEM）详细研究了这些铁电组合物的结构。通过XRD获得的结果证明了所有获得的样品都具有钙钛矿结构。研究了烧结温度对固体溶液中元素掺入程度的影响。已经确定并讨论了介电和压电常数并确定温度对获得值的影响。所进行的实验结果指出，材料的特征在于高各各向异性。此外，取决于组合物和烧结温度，机电耦合因子（K_P）的所得值位于0.40÷0.65之间。

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  • 来源
    《Materials science forum》 |2021年第2期|1134-1140|共7页
  • 作者

    Alina lulia Dumitru; Georgeta Velciu; Delia Patroi; Jana Pintea; Virgil Marinescu; lldiko Peter;

  • 作者单位

    National Institute for Research & Development in Electrical Engineering ICPE-CA 313 Splaiul Unirii 030138 Bucharest Romania Universitatea Valahia din Targoviste Str. Aleea Sinaia nr. 13 130004 Targoviste Romania;

    National Institute for Research & Development in Electrical Engineering ICPE-CA 313 Splaiul Unirii 030138 Bucharest Romania;

    National Institute for Research & Development in Electrical Engineering ICPE-CA 313 Splaiul Unirii 030138 Bucharest Romania;

    National Institute for Research & Development in Electrical Engineering ICPE-CA 313 Splaiul Unirii 030138 Bucharest Romania;

    National Institute for Research & Development in Electrical Engineering ICPE-CA 313 Splaiul Unirii 030138 Bucharest Romania;

    University of Medicine Pharmacy Science and Technology George Emil Palade' Faculty of Engineering and Information Technology Str. Nicolae lorga nr. 1 Targu-Mures 540139 Romania;

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  • 正文语种 eng
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  • 关键词

    lead zirconate titanate (PZT) ceramics; high anisotropy; piezoelectric properties; dielectric properties;

    机译：锆钛酸铅（PZT）陶瓷;高各向异性;压电性质;介电性质;

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