Role of Sintering Temperature on Giant Field-Induced Strain in Lead-Free Bi0.5(Na,K)0.5TiO3-Based Ceramics

被引：16
作者：
Dang Duc Dung [1 ]
Nguyen Van Quyet [2 ]
Luong Huu Bac [3 ]
机构：
[1] Ha Noi Univ Sci & Technol, Sch Engn Phys, Dept Gen Phys, Hanoi, Vietnam
[2] Hanautech Co Ltd, Taejon, South Korea
[3] Ha Noi Univ Sci & Technol, Sch Engn Phys, Dept Opt & Optoelect, Hanoi, Vietnam
来源：
FERROELECTRICS | 2015年 / 474卷 / 01期
关键词：
giant field induced strain; Lead free piezoceramics; microstructure; sintering; FREE PIEZOELECTRIC CERAMICS; FERROELECTRIC PROPERTIES; FREE PIEZOCERAMICS; PHASE-BOUNDARY; ENHANCEMENT; TRANSITION; LI;
D O I：
10.1080/00150193.2015.996458
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of sintering temperature on the giant electric field-induced strain was observed in lead-free Bi-0.5(Na-0.77 Li0.05K0.18)(0.5)(Ti0.975Ta0.025)O-3 ceramics. The grains size and dense structure increased with increasing of the sintering temperature. The growth of polar phases was observed in non-polar phase when sintering temperature increased. The giant electric field-induced strain strongly enhanced up to S-max/E-max = 800 pm/V, resulting from coexistence of polar and non-polar phases. The highest values of S-max/E-max were higher than those were previously reported on non-textured lead-free piezoelectric ceramics.
引用
收藏
页码：113 / 119
页数：7
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