Effects of Pr and Ni Co-Substitution on the Structural and Ferroelectric Properties of BiFeO3 Thin Films Prepared by a Sol-Gel Method

被引：4
|
作者：
Kuang, Daihong [1 ,2 ]
Tang, Ping [1 ]
Yang, Shenghong [1 ]
Zhang, Yueli [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
[2] Xinjiang Agr Univ, Shool Math & Phys, Urumqi 830052, Peoples R China
来源：
FERROELECTRICS | 2015年 / 488卷 / 01期
基金：
中国国家自然科学基金;
关键词：
BiFeO3 thin films; sol-gel method; doping; structural and ferroelectric properties; CHEMICAL SOLUTION DEPOSITION; MULTIFERROIC BIFEO3; DOPED BIFEO3; OPTICAL-PROPERTIES;
D O I：
10.1080/00150193.2015.1072683
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
BiFeO3 (BFO) and Bi0.9Pr0.1Fe1-xNixO3 (0.01 x 0.1) thin films have been fabricated on Pt(111)/Ti/SiO2/Si substrates by a sol-gel method. The Pr and Ni co-substitution effects on the structural and ferroelectric properties of BFO films were investigated by X-ray diffraction (XRD), Raman spectroscopy and ferroelectric measurements. XRD and Raman analysis demonstrated that all films have a pure phase related to perovskite-type structure. The ferroelectric test indicated that the ferroelectric properties of BFO films were improved with Pr and Ni co-doping. The remnant polarization of Bi0.9Pr0.1Fe0.95Ni0.05O3 film was 70C/cm(2). The leakage current density-applied electric field behavior measurement showed that Pr and Ni co-substitution was effective toreduce the leakage current density of BFO thin films.
引用
收藏
页码：97 / 103
页数：7
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