Theory of morphotropic phase boundary in solid-solution systems of perovskite-type oxide ferroelectrics: Elastic properties

被引：55

作者：

Ishibashi, Y ^{[1
]}

Iwata, M ^{[1
]}

机构：

[1] Nagoya Univ, Sch Engn, Dept Appl Phys, Nagoya, Aichi 4648603, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1999年 / 38卷 / 3A期

关键词：

morphotropic phase boundary; elastic constant; free energy; Landau theory;

D O I：

10.1143/JJAP.38.1454

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Elastic stiffness constants in a perovskite-type oxide solid-solution system are discussed on the basis of the Landau-type free energy function expressed in terms of polarization and strain components. It is found that some of the elastic stiffness constants become extremely small in the vicinity of the morphotropic phase boundary.

引用

页码：1454 / 1458

页数：5

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