Enhanced tetragonality in (x)PbTiO3-(1-x)Bi(Zn1/2Ti1/2)O3 and related solid solution systems -: art. no. 262905

被引：250

作者：

Suchomel, MR ^{[1
]}

Davies, PK ^{[1
]}

机构：

[1] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 26期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.1978980

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The solid solutions (x)PbTiO3-(1-x)Bi(Zn1/2Ti1/2)O-3, (x)PbTiO3-(1-x)Bi(Zn1/2Zn1/2)O-3, and (x)PbTiO3-(1-x)Bi(Zn1/2Sn1/2)O-3, have been examined by x-ray diffraction, dielectric measurements, and thermal analysis. Unlike most PbTiO3-based solid solutions, these systems show enhanced tetragonality with substitution for PbTiO3. In particular, the (x)PbTiO3-(1-x)Bi(Zn1/2Ti1/2)O-3 system exhibits a high c/a ratio of 1.11 for x=0.60. Accordingly, the Curie temperature (T-C) also increases, exceeding 700 degrees C at the same composition. It is proposed that PbTiO3-Bi(B)O-3-type solid solutions which contain only highly polarizable cations on the B site are likely to exhibit similar enhancements in tetragonality and T-C.

引用

页码：1 / 3

页数：3

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