Synthesis and electrical properties of 0.65Bi1.05Fe1-xGaxO3-0.35BaTiO3 piezoceramics by air quenching process

被引:12
作者
Khan, Salman Ali [1 ]
Malik, Rizwan Ahmed [1 ,2 ]
Akram, Fazli [1 ]
Hussain, Ali [2 ]
Song, Tae-Kwon [1 ]
Kim, Won-Jeong [3 ]
Kim, Myong-Ho [1 ]
机构
[1] Changwon Natl Univ, Sch Mat Sci & Engn, Gyeongnam 51140, South Korea
[2] UET Taxila, Dept Met & Mat Engn, Taxila, Pakistan
[3] Changwon Natl Univ, Dept Phys, Chang Won 641773, Gyeongnam, South Korea
基金
新加坡国家研究基金会;
关键词
Lead-free; Dielectric properties; Ferroelectric properties; Piezoelectric properties; BiFeO3; LEAD-FREE CERAMICS; PIEZOELECTRIC PROPERTIES; FERROELECTRIC PROPERTIES; THERMAL-STABILITY; ELECTROMECHANICAL PROPERTIES; MICROSTRUCTURE; STRAIN; BEHAVIOR; EXCESS;
D O I
10.1007/s10832-018-0153-y
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
In this work, lead-free piezoelectric ceramics 0.65Bi(1.05)Fe(1-x)Ga(x)O(3)-0.35BaTiO(3), where x=0, 0.01, 0.02, 0.025, and 0.03 abbreviated as BFG-BT have been synthesized by a conventional solid-state reaction followed by air quenching process. The effects of Ga on crystal structure, microstructure and electric properties of the ceramics have been investigated. X-ray diffraction analysis showed that Ga addition into BF-BT ceramics caused no significant change in crystal structure. However, improvements in ferroelectric, dielectric and piezoelectric properties were obtained at the optimum composition of Ga addition in BF-BT ceramics. A static piezoelectric constant of d(33)=145 pC/N with high Curie temperature T-C=452 degrees C were obtained at 2mol%Ga modified BF-BT ceramics.
引用
收藏
页码:60 / 66
页数:7
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