Elastic, piezoelectric, and dielectric properties of tetragonal Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals

被引：17
|
作者：
He, Chongjun [1 ]
Zhou, Dan
Wang, Feifei
Xu, Haiqing
Lin, Di
Luo, Haosu
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201800, Peoples R China
[2] Harbin Inst Technol, Dept Appl Phys, Harbin 150001, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 100卷 / 08期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2362998
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The elastic, piezoelectric, and dielectric properties of tetragonal 0.65Pb(Mg1/3Nb2/3)O-3-0.35PbTiO(3) (PMN-35%PT) single crystals were determined. The piezoelectric constant d(33) is similar to 1250 pC/N; the electromechanical coefficients k(15), k(31), k(33), and k(t) are 0.70, 0.48, 0.91, and 0.61, respectively. The dielectric properties were measured as a function of temperature for (001)-oriented crystals. Compared with the crystals with compositions in the morphotropic phase boundary, PMN-35%PT crystals have much more stable phase structure from room temperature to Curie temperature, which makes them promising materials for high power applications in fabricating transducers, actuators, and generators. (c) 2006 American Institute of Physics.
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