Effect of CuO and MnO2 on sintering temperature, microstructure, and piezoelectric properties of 0.95(K0.5Na0.5)NbO3-0.05BaTiO3 ceramics

被引：39

作者：

Ahn, Cheol-Woo ^{[1
]}

Nahm, Sahn ^{[2
]}

Karmarkar, Makarand ^{[1
]}

Viehland, Dwight ^{[1
]}

Kang, Dong-Heon ^{[3
]}

Bae, Kyoo-Sik ^{[3
]}

Priya, Shashank ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA

[2] Korea Univ, Dept Mat Sci & Engn, Sungbuk Ku, Seoul 136713, South Korea

[3] Suwon Univ, Dept Elect Mat Engn, Hwaseong City 445743, GyeongGi Do, South Korea

来源：

MATERIALS LETTERS | 2008年 / 62卷 / 20期

关键词：

D O I：

10.1016/j.matlet.2008.03.062

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this letter we report the effect of CuO and MnO2 additives on the sintering behavior of 0.95(Na0.5K0.5) NbO3-0.05BaTiO(3) ceramics. It was found that the composition corresponding to 0.95(Na0.5K0.5)NbO3-0.05BaTiO(3)+2.0 mol% CuO+0.5 mol% MnO2, sintered at 950 degrees C for 10 h, exhibited excellent piezoelectric properties corresponding to: k(p)=0.41, d(33)=248 pC/N, Q(m)=305, epsilon(T)(3)/epsilon(0)=1258, and T-c=280 degrees C. These results indicate the prominence of this composition in lead-free systems. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：3594 / 3596

页数：3

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