Dielectric and Piezoelectric, Properties of 0.95(Na0.5K0.5)NbO3-0.05CaTiO3 Ceramics with Ag2O Contents

被引：3

作者：

Lee, Seung-Hwan ^{[1
]}

Baek, Sang-Don ^{[1
]}

Kim, Hyun-Ju ^{[1
]}

Kim, Seung-Hyun ^{[1
]}

Lee, Sung-Gap ^{[2
]}

Kim, Dae-Young ^{[2
]}

Lee, Young-Hie ^{[1
]}

Nam, Sung-Pill ^{[3
]}

Lee, Ku-Tak ^{[4
]}

机构：

[1] Kwangwoon Univ, Dept Elect Mat Engn, Seoul 139701, South Korea

[2] Gyeongsang Natl Univ, Engn Res Inst, Dept Ceram Engn, Jinju 660701, South Korea

[3] Korea Electrotechnol Res Inst, Dept Smart Grid Res, Chang Won 642120, South Korea

[4] Hardram, R&D Ctr, Songnam 301305, South Korea

来源：

ELECTRONIC MATERIALS LETTERS | 2012年 / 8卷 / 06期

关键词：

piezoelectric properties; dielectric properties; NKN-BZT; MPB; BEHAVIOR;

D O I：

10.1007/s13391-012-2072-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lead-Free ceramics 0.95(Na0.5K0.5)NbO3-0.05CaTiO(3)-x mol. % Ag2O have been fabricated as a function of the amount of Ag2O content. NKN-CT ceramics showed the highest piezoelectric properties and ferroelectric properties at the 0.5 mol. %Ag2O content. The NKN-CT-Ag(2)O0.5 mol. % ceramics show a good performance with piezoelectric constant d(33) = 221 rho C/N, k(p) = 0.38%, respectively. The corresponding Curie temperature and remnant polarization reached 370 degrees C and 22.5 mu C/cm(2), respectively. These results appear that NKN-CT-Ag2O ceramics are promising candidate materials for lead-free piezoelectric application.

引用

页码：577 / 580

页数：4

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