Phase diagram and enhanced piezoelectricity in the strontium titanate doped potassium-sodium niobate solid solution

被引：122

作者：

Wang, RP

Xie, RJ

Hanada, K

Matsusaki, K

Bando, H

Itoh, M

机构：

[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058564, Japan

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

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

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2005年 / 202卷 / 06期

关键词：

D O I：

10.1002/pssa.200510014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dielectric and the piezoelectric properties of the (1-x)(Na0.5K0.5)NbO3-xSrTiO(3) ceramics, densified by the Spark-Plasma-Sintering method, have been studied. A phase diagram was established from the temperature dependence of the dielectric constant. A tetragonal-orthorhombic morphotropic phase boundary (MPB) was found at x similar to 0.05. Around the MPB, piezoelectric properties were greatly improved. The origin for the enhanced piezoelectricity has been proposed. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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页码：R57 / R59

页数：3

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