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Phase Equilibrium And Properties Of Solid Solutions Of Pbtio_3-pbzro_3-pbnb_(2/3)mg_(1/3)o_3-pbgeo_3 System

机译:Pbtio_3-pbzro_3-pbnb_(2/3)mg_(1/3)o_3-pbgeo_3系统的相平衡和固溶体性质

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Phase diagrams of three sections of the four-component system PbTiO_3-PbZrO_3-PbN_(2/3)Mg_(1/3)O_3-PbGeO_3 are plotted (at 20℃) and electrophysical properties of solid solutions are studied. It is found that mor-photropic areas, in which dielectric, piezoelectric, and elastic properties are extreme, have a wider concentration interval than in binary systems serving as the base for the studied solid solutions. In monophase areas, iso-symmetrical fields (phase states) divided by areas of constant structural parameters are revealed. An explanation of the observed effects based on the real defect structure of objects is proposed.
机译:绘制了四组分体系PbTiO_3-PbZrO_3-PbN_(2/3)Mg_(1/3)O_3-PbGeO_3的三个截面的相图(在20℃下),研究了固溶体的电物理性质。研究发现,介电,压电和弹性性能极强的变质区比作为研究固溶体的基础的二元体系具有更宽的浓度区间。在单相区域,揭示了等对称场(相态)除以结构常数恒定的区域。提出了基于对象的实际缺陷结构的观察效果的解释。

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