Electromechanical properties of calcium bismuth niobate (CaBi2Nb2O9) ceramics at elevated temperature

被引：117

作者：

Wang, Chun-Ming ^{[1
]}

Zhang, Shujun ^{[2
]}

Wang, Jin-Feng ^{[1
]}

Zhao, Ming-Lei ^{[1
]}

Wang, Chun-Lei ^{[1
]}

机构：

[1] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 118卷 / 01期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Bismuth layer-structured ferroelectrics; Piezoelectric ceramics; Calcium bismuth niobate (CaBi2Nb2O9); Electromechanical properties; PIEZOELECTRIC PROPERTIES; ELECTRICAL-PROPERTIES; FAMILY;

D O I：

10.1016/j.matchemphys.2009.06.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dielectric. piezoelectric, and electromechanical properties of the (NaCe)-substituted Calcium bismuth niobate (CaBi2Nb2O9, CBN) were investigated The piezoelectric activities of CBN ceramics were significantly enhanced by (NaCe) co-substitution. The dielectric and electromechanical properties of CBN ceramics at elevated temperature were studied in detail. Compared to the pure CBN ceramics, the substituted CBN ceramics possess a broadened peak The nearly temperature independent dielectric and electromechanical behavior, coupled with ultrahigh Curie temperature (T-c similar to 900 degrees C), make CBN ceramics promising for high-temperature applications. (c) 2009 Elsevier B.V. All rights reserved

引用

页码：21 / 24

页数：4

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