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

来源：

JOURNAL OF ELECTROCERAMICS | 2018年 / 41卷 / 1-4期

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

页码：60 / 66

页数：7

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