Fabrication and characterization of xBiGaO3-(1-x)PbTiO3:: a high temperature, reduced Pb-content piezoelectric ceramic

被引：84
|
作者：
Cheng, JR [1 ]
Zhu, WY [1 ]
Li, N [1 ]
Cross, LE [1 ]
机构：
[1] Penn State Univ, Inst Mat Res, University Pk, PA 16802 USA
来源：
MATERIALS LETTERS | 2003年 / 57卷 / 13-14期
关键词：
BiGaO3-PbTiO3 solid solutions; high-temperature piezoelectric ceramic; structure and phase evolution; dielectric properties;
D O I：
10.1016/S0167-577X(02)01143-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bismuth gallium based crystalline solutions, xBiGaO(3)-(1-x)PbTiO3 (BG-PT), were studied as novel, material group of low lead content perovskite ceramics. X-ray diffraction (XRD) was utilized to investigate the crystal structure and phase evolution. A pure perovskite phase with tetragonal symmetry was obtained for x less than or equal to 0.25. Differential scanning calorimetry (DSC) revealed that a first order solid-to-solid transformation occurs at 495 degreesC for x=0.2. The dielectric properties were investigated at room and elevated temperatures. Our results show that BG-PT is a good candidate high-temperature piezoelectric ceramic, with reduced lead content. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：2090 / 2094
页数：5
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