Two new high Curie temperature piezoelectric ceramics

被引：6
|
作者：
Xing, Haiying [1 ]
Huang, Panfeng [1 ]
Zhang, Chunhua [2 ]
Li, Dan [3 ]
Zhang, Yi [4 ]
Guo, Wenpeng [2 ]
Zhao, Gaolei [2 ]
Liao, Qingwei [2 ]
机构：
[1] Tianjin Polytech Univ, Sch Elect & Informat Engn, Tianjin 300387, Peoples R China
[2] Chinese Acad Sci, Inst Acoust, Beijing 100190, Peoples R China
[3] Stanford Univ, Elect Engn, Stanford, CA 94305 USA
[4] China Petr Geophys Explorat Co Ltd, Deep Geophys Prospecting Dept, Tianjin 300457, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 160卷
基金：
中国国家自然科学基金;
关键词：
Ceramics; Piezoelectric materials; Curie temperature; Thermal depoling;
D O I：
10.1016/j.matlet.2015.07.073
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two new high Curie temperature piezoelectric ceramics were reported for the first time. The PbTiNb2O8 and PbZrNb2O8 samples show single phase with space group of A(m m 2) and C-2 2 2, respectively. With the sintering temperature of 1120 degrees C and 970 degrees C, PbTiNb2O8 ceramics and PbZrNb2O8 ceramics have the highest T-c of 700.1 degrees C and 559.6 degrees C, respectively. The thermal depoling effects study shows that the depoling temperature of PbTiNb2O8 and PbZrNb2O8 ceramics is around 560 degrees C and 480 degrees C, respectively. The typical piezoelectric properties of PbTiNb2O8 and PbZrNb2O8 ceramics are: d(33)=16 pC/N, k(p)=0.11, Q(m)=102 and d(33)=20 pC/N, k(p)=0.16, Q(m)=42, respectively. All PbTiNb2O8 and PbZrNb2O8 samples are have low dielectric loss with similar to 10(-4), which is good for the application of devices. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：38 / 40
页数：3
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