Phenomenological theory of morphotropic phase boundary with monoclinic phase in solid-solution systems of perovskite-type oxide ferroelectrics

被引：26

作者：

Iwata, M ^{[1
]}

Ishibashi, Y

机构：

[1] Nagoya Inst Technol, Grad Sch Engn, Dept Engn Phys Elect & Mech, Nagoya, Aichi 4668555, Japan

[2] Aichi Shukutoku Univ, Fac Business Studies, Nagakute, Aichi 4801197, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 5A期

关键词：

D O I：

10.1143/JJAP.44.3095

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The phase diagram with monoclinic phase near the morphotropic phase boundary (MPB) and the dielectric constant in a solid-solution system of perovskite-type ferroelectrics are discussed on the basis of the Landau-Devonshire-type free-energy function expressed in terms of polarization components. It is confirmed that the origin of the large dielectric response near the MPB can be attributed to the instability perpendicular to spontaneous polarization, called the "transversal instability".

引用

页码：3095 / 3098

页数：4

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