Theory of Morphotropic Phase Boundary in Solid Solution Systems of Perovskite-Type Oxide Ferroelectrics: p-e Hysteresis Loop
Theory of Morphotropic Phase Boundary in Solid Solution Systems of Perovskite-Type Oxide Ferroelectrics: p-e Hysteresis Loop
复制标题
钙钛矿型氧化物铁电体固溶体体系中的同形相界理论：p-e磁滞回线
DOI：
10.1143/jjap.38.5670
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发表时间：
1999
影响因子：
1.5
通讯作者：
Y. Ishibashi
中科院分区：
文献类型：
--
作者：
M. Iwata;Y. Ishibashi
基于Landau型自由能函数讨论了钙钛矿型氧化物固溶体体系中同形相界附近的p-e磁滞回线。研究发现，由于垂直于极化方向的不稳定，p-e磁滞回线中的矫顽场在接近同形相边界时减小，并在同形相边界处消失。
The p-e hysteresis loop near the morphotropic phase boundary in the perovskite-type oxide solid solution system is discussed on the basis of a Landau-type free energy function. It was found that the coercive field in the p-e hysteresis loop decreases upon approaching the morphotropic phase boundary and vanishes at the morphotropic phase boundary, because of the instability in the direction perpendicular to the polarization.