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
收藏
页码：3594 / 3596
页数：3
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