Piezoelectric properties of spark-plasma-sintered (Na 0.5K0.5)NbO3-PbTiO3 ceramics

被引：129

作者：

Wang, RP

Xie, RJ

Sekiya, T

Shimojo, Y

Akimune, Y

Hirosaki, N

Itoh, M

机构：

[1] Natl Inst Adv Ind Sci & Technol, Smart Struct Res Ctr, Tsukuba, Ibaraki 3058568, Japan

[2] Natl Inst Mat Sci, Adv Mat Lab, Tsukuba, Ibaraki 3050044, Japan

[3] Tokyo Inst Technol, Mat & Struct Lab, Yokohama, Kanagawa 2268503, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2002年 / 41卷 / 11B期

关键词：

dielectric; piezoelectric; perovskite; spark-plasma-sintering; random field;

D O I：

10.1143/JJAP.41.7119

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In the search for high-performance piezoelectrics, (1-y)(Na0.5K0.5)NbO3-yPbTiO3 (y less than or equal to 0.50) solid solution has been prepared using the spark-plasma-sintering method. Dielectric investigation reveals that both the ferroelectric phase transition temperatures and the peak value of the dielectric constant. are strongly suppressed in the low y range. However, improved electromechanical coupling constants are observed at the same y range. These properties are explained by considering factors such as composition, crystal structure, ferroelectric domain microstructure, and poling conditions.

引用

页码：7119 / 7122

页数：4

共 17 条

[1] PIEZOELECTRIC AND DIELECTRIC PROPERTIES OF CERAMICS IN THE SYSTEM POTASSIUM SODIUM NIOBATE [J].