The characteristics of low-temperature sintered PbTiO3 based ceramics and its applications

被引：10
作者：
Chen, Te-Yi
Chu, Sheng-Yuan
Chang, Ren-Chuan
Cheng, Chih-Kao
Hong, Cheng-Shong
Nien, Hsiau-Hsian
机构：
[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 70101, Taiwan
[2] Chien Kuo Technol Univ, Dept Elect Engn, Changhua, Taiwan
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2007年 / 134卷 / 02期
关键词：
low-temperature sintered; lead titanate ceramics; piezoelectricity; SAW; LEAD TITANATE CERAMICS; PIEZOELECTRIC PROPERTIES; ELECTROMECHANICAL PROPERTIES; WAVE APPLICATIONS; SURFACE; ANISOTROPY; SI;
D O I：
10.1016/j.sna.2006.05.005
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Samarium (Sm) modified lead titanate ceramics with a composition of (Pb0.85SM0.1)(Ti0.98Mn0.02)O-3 piezoceramics doped with SiO2 were prepared by conventional mixed-oxide method. Microstructural and compositional analyses of the PbTiO3-based ceramics have been carried out using X-ray diffraction (XRD) and scanning electron microscope (SEM). The effects of Si additives on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that the SiO2 was helpful in lowering the sintering temperature from 1250 to 1100 degrees C and still keeps good piezoelectric and dielectric properties. Surface acoustic wave (SAW) devices were fabricated and the properties, including phase velocity and temperature coefficient of frequency (TCF), were measured. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：452 / 456
页数：5
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