A theory of morphotropic phase boundary in solid-solution systems of perovskite-type oxide ferroelectrics

被引：93

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 / 2A期

关键词：

morphotropic phase boundary; dielectric susceptibility; piezoelectric constants; free energy; Landau theory;

D O I：

10.1143/JJAP.38.800

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The origin of the appearance of the morphotropic phase boundary in perovskite-type oxide solid solution systems is clarified on the basis of a Landau-type free-energy function expressed in terms of polarization and strain components. The dielectric susceptibilities and piezoelectric constants are shown to increase in the vicinity of the morphotropic phase boundary.

引用

页码：800 / 804

页数：5

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