Structural and dielectric properties of (1-x)Bi(Ni1/2Ti1/2)O3-xPbTiO3 ceramics with the morphotropic phase boundary composition

被引：10
作者：
Zhang, Qiang [1 ]
Jiang, Mingxue [1 ]
Li, Zhenrong [2 ,3 ]
机构：
[1] Xian Univ Architecture & Technol, Postdoctoral Res Stn Mat Sci & Engn, Xian 710055, Peoples R China
[2] Xi An Jiao Tong Univ, Elect Mat Res Lab, Key Lab, Minist Educ, Xian 710049, Peoples R China
[3] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Peoples R China
来源：
JOURNAL OF ELECTROCERAMICS | 2012年 / 29卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Piezoelectric ceramics; High Curie temperature; Morphotropic phase boundary; HIGH-TEMPERATURE; PIEZOELECTRIC SYSTEM;
D O I：
10.1007/s10832-012-9757-9
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
(1-x)Bi(Ni1/2Ti1/2)O-3-xPbTiO(3) (BNT-xPT, 0.42 a parts per thousand currency signaEuro parts per thousand x a parts per thousand currency signaEuro parts per thousand 0.52) ceramics were prepared by the conventional mixed oxide method. With the increase of PT content, a change from rhombohedral phase to tetragonal phases, and while the morphotropic phase boundary (MPB) composition is located in the range of x = 0.46-0.48. For x = 0.46 sample, it exhibited a high Curie temperature (T (c)) of 410 A degrees C and good piezoelectric properties, d (33) similar to 230pC/N, k (p) similar to 40 % and k (t) similar to 22 %. For 0.46 a parts per thousand currency signaEuro parts per thousand x a parts per thousand currency signaEuro parts per thousand 0.50 samples, it can be found that depolarization temperature is around 350 A degrees C by thermal depoling method.
引用
收藏
页码：179 / 182
页数：4
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