Multiferroic 0.7BiFeO3-0.3PbTiO3 thin films prepared by a sol-gel method

被引：9
作者：
Yu, Huichun [1 ,2 ]
Guo, Haiyan [1 ,2 ]
Zhu, Weimin [1 ,2 ]
Zhuang, Jian [1 ,2 ,3 ,4 ]
Ren, Wei [3 ,4 ]
Ye, Zuo-Guang [1 ,2 ,3 ,4 ]
机构：
[1] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada
[2] Simon Fraser Univ, LABS 4D, Burnaby, BC V5A 1S6, Canada
[3] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Peoples R China
[4] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Peoples R China
来源：
THIN SOLID FILMS | 2015年 / 585卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
BiFeO3-PbTiO3 solid solution; Thin films; Multiferroic properties; Sol-gel method; MAGNETIC-PROPERTIES; DOMAIN-STRUCTURE; CRYSTAL;
D O I：
10.1016/j.tsf.2015.02.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multiferroic 0.7BiFeO(3)-0.3PbTiO(3) (BFO-PT) thin films have been prepared by a sol-gel method on Pt/Ti/SiO2/Si substrates. A strong dielectric dispersion was observed above 10 kHz and a relatively low dielectric loss was found at low frequencies. The BFO-PT thin films exhibit both ferroelectricity and (week) ferromagnetism with P-r = 13.7 mu C/cm(2) and M-S = 3200 A/m at room temperature, confirming the multiferroic properties. The local polar domain structure and ferroelectric switching of the thin films were investigated by piezoresponse force microscopy. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：82 / 85
页数：4
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