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首页> 外文期刊>Materials Science and Engineering. B, Solid-State Materials for Advanced Technology >The influence of fabrication processing on domain structure and polarization switching in PZN-based ferroelectric ceramics
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The influence of fabrication processing on domain structure and polarization switching in PZN-based ferroelectric ceramics

机译：制备工艺对PZN基铁电陶瓷畴结构和极化转换的影响

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摘要

Lead zinc niobate (Pb(Zn_(1/3)Nb_(2/3))O_3, PZN) based ceramics are prepared by using conventional mixing oxide and complex phase reaction-sintering ceramic techniques. From the results of X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM), it is clear that these two fabrication processing routes produce different microstructures and ferroelectric domains in the same Pb(Zn_(1/3)Nb_(2/3))O_3-BaTiO_3-Pb(Zr_(0.4)Ti_(0.6))O_3 composition. Furthermore, different phase transitions are observed for the temperature dependence of the dielectric permittivity that can be confirmed by differential scanning calorimetry (DSC). Different polarization switching characteristics are also examined by using high field-induced strain and ferroelectric hysteresis loop. It is suggested that the distribution of the inner stress and domain configuration should be related with the fabrication processing of ferroelectric ceramics.
机译：铌酸铅锌（Pb（Zn_（1/3）Nb_（2/3））O_3，PZN）基陶瓷是通过使用常规混合氧化物和复合相反应烧结陶瓷技术制备的。从X射线衍射（XRD），扫描电子显微镜（SEM）和透射电子显微镜（TEM）的结果可以明显看出，这两种制造工艺路线在相同的Pb（Zn_（1 / 3）Nb_（2/3））O_3-BaTiO_3-Pb（Zr_（0.4）Ti_（0.6））O_3组成。此外，对于介电常数的温度依赖性观察到不同的相变，这可以通过差示扫描量热法（DSC）确认。还通过使用高场感应应变和铁电磁滞回线来检查不同的极化开关特性。建议内部应力的分布和畴构型应与铁电陶瓷的制造工艺有关。

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