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Electric-field induced phase transition and fatigue behaviors of (Bi0.5+x/2Na0.5-x/2)(0.94)Ba0.06Ti1-xFexO3 ferroelectrics
文献类型:期刊
作者:Shi, Jing[1]  Tian, Wenchao[2]  Liu, Xiao[3]  Fan, Huiqing[4]  
机构:[1]Key Laboratory of Electronic Equipment Structure Design (Ministry of Education), School of Mechano-Electronic Engineering, Xi'an, China
[2]Key Laboratory of Electronic Equipment Structure Design (Ministry of Education), School of Mechano-Electronic Engineering, Xi'an, China
[3]College of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an, China
[4]State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, China
通讯作者:Fan, HQ (reprint author), Northwestern Polytech Univ, State Key Lab Solidificat Proc, Sch Mat Sci & Engn, Xian, Peoples R China.; Shi, J (reprint author), Xidian Univ, Key Lab Elect Equipment Struct Design, Minist Educ, Sch Mechanoelect Engn, Xian, Peoples R China.
年:2017
期刊名称:JOURNAL OF THE AMERICAN CERAMIC SOCIETY影响因子和分区
卷:100
期:3
页码范围:1080-1090
增刊:正刊
学科:材料科学
收录情况:SCI(E)(WOS:000397503100029)  EI(20170103216497)  
所属部门:材料学院
被引频次:12
人气指数:217
浏览次数:213
基金:National Natural Science Foundation [51672220 61176130]; Fundamental Research Funds for the Central Universities of China [JB160410 XJS16024]
关键词:defects; fatigue; ferroelectricity; ferroelectric materials
摘要:
The dielectric, piezoelectric properties, and fatigue behaviors of stoichiometric (Bi0.5+x/2Na0.5-x/2)(0.94)Ba0.06Ti1-xFexO3 (BNBT-xFe) ferroelectrics are investigated. Fe substitution leads to the downward shift of the ferroelectric-relaxor transition temperature (TF-R) and increase in strain. Meanwhile, fatigue behaviors of the modified ceramics are significantly enhanced. Ex situ X-ray diffraction and transmission electron microscopy reveal microscopic mechanism for polarization fatigue on di ...More
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