首页> 外文会议>Ninth IEEE international symposium on applications of ferroelectrics >Dielectric, Piezoelectric and Pyroelectric Properties of the Pb(Mg_(1/2)Ta_(2/3))O_3-PbTiO_3-PbZrO_3 Solid Solution System
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Dielectric, Piezoelectric and Pyroelectric Properties of the Pb(Mg_(1/2)Ta_(2/3))O_3-PbTiO_3-PbZrO_3 Solid Solution System

机译:Pb(Mg_(1/2)Ta_(2/3))O_3-PbTiO_3-PbZrO_3固溶体系统的介电,压电和热电性质

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摘要

Dielectric, piezoelectric and pyroelectric response of selected compositions from the solid solution system have been investigated as a function of PT and PZ content for composition near the morphotropic phase boundary (PMT-PT). The dielectric constant and loss of poled samples were determined. The piezoelectric d_(33) constant and electromechanical coupling factor were measured for various composition in the system. The pyroelectric coefficient and spontaneous polarization were measured by the static Byer-Roundy method as a function of temperature. The stability of the perovskite phase was studied as a function of sintering temperature. The transition temperature of the ceramics decreased gradually with the addition of PZ.
机译:已经研究了固溶体系统中选定成分的介电,压电和热电响应随同相相界(PMT-PT)组成的PT和PZ含量的变化。确定了极化样品的介电常数和损耗。测量了系统中各种成分的压电d_(33)常数和机电耦合系数。通过静态Byer-Roundy方法测量热电系数和自发极化随温度的变化。研究了钙钛矿相的稳定性与烧结温度的关系。随着PZ的添加,陶瓷的转变温度逐渐降低。

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