Synthesis and dielectric investigations of (1-x) Bi(Mg1/2Zr1/2)O3-xPbTiO3 high temperature piezoelectric ceramics

被引：9
作者：
Shabbir, G.
Qureshi, A. H.
Kojima, S.
Hall, D. A.
机构：
[1] PINSTECH, Div Phys, Islamabad 44000, Pakistan
[2] PINSTECH, Div Mat, Islamabad 44000, Pakistan
[3] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan
[4] Univ Manchester, Ctr Mat Sci, Manchester M1 7HS, Lancs, England
来源：
FERROELECTRICS | 2007年 / 346卷
关键词：
high temperature piezoelectric ceramics; Bi based perovskites; morphotropic phase boundary;
D O I：
10.1080/00150190601180349
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High-temperature piezoelectric (1-x)Bi(Mg1/2Zr1/2)O-3-xPbTiO(3) (BMZ-xPT) ceramics of the composition very close to their morphotropic phase boundary (MPB) were synthesized by conventional mixed oxide method. The purpose was to prepare high T-c ceramics without using costly Sc2O3. The ceramics were characterized at room temperature by X-ray diffraction (XRD) and dielectric spectroscopic techniques. The MPB of BMZ-xPT ceramics was found to lie around 0.54 <= x <= 0.57. The dielectric constant showed a significant low frequency dispersion associated to conduction mechanism. The complex impedance plot showed characteristics of bulk electrical behavior of the ceramics.
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收藏
页码：72 / 76
页数：5
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