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

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页码：97 / 103

页数：7

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