Internal stress and phase coexistence in bismuth ferrite-lead titanate ceramics

被引：12

作者：

Bell, Andrew J. ^{[1
]}

Levander, Alejandro X. ^{[1
]}

Turner, Stuart L. ^{[1
]}

Comyn, Tim P. ^{[1
]}

机构：

[1] Univ Leeds, Inst Mat Res, Leeds LS2 9JT, W Yorkshire, England

来源：

2007 SIXTEENTH IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS, VOLS 1 AND 2 | 2007年

关键词：

D O I：

10.1109/ISAF.2007.4393280

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The large range of tetragonal and rhombohedral phase coexistence in BiFeO(3)-PbTiO(3) slid solutions and the spontaneous disintegration of certain samples is investigated using X-ray diffraction. It is concluded that internal stress associated with the large spontaneous strain in the tetragonal phase is relieved by local transition to the lower volume rhombohedral phase. For larger grain sizes, microcracking provides an alternative route to stress relief.

引用

页码：406 / 409

页数：4

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