Dielectric and piezoelectric properties of (A0.5Bi0.5)TiO3-ANbO3 (A = Na, K) systems

被引：122

作者：

Wada, T ^{[1
]}

Toyoike, K ^{[1
]}

Imanaka, Y ^{[1
]}

Matsuo, Y ^{[1
]}

机构：

[1] Ryukoku Univ, Dept Mat Chem, Seta, Outsu 5202194, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2001年 / 40卷 / 9B期

关键词：

piezoelectric ceramics; lead-free; (Na0.5Bi0.5)TiO3; (K0.5Bi0.5)Ti03; morphotropic phase boundary;

D O I：

10.1143/JJAP.40.5703

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The microstructural, dielectric and piezoelectric properties of the (Na0.5Bi0.5)TiO3-NaNbO3 and (K0.5Bi0.5)TiO3-KNbO3 systems were studied in order to find new lead-free piezoelectric ceramic materials. In the (1 - X) (K0.5Bi0.5)TiO3-(X) KNbO3 system, it was confirmed from the measurements of the electromechanical coupling factor, K-p that piezoelectricity occurred within the wide compositional range between X = 0 and 0.35. The sample with X = 0.075 showed a maximum K-p of 15.1%. However, the expected morphotropic phase boundaries were not found in the (Na0.5Bi0.5)TiO3 or (K0.5Bi0.5)TiO3 rich side of the solid solution systems.

引用

页码：5703 / 5705

页数：3

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