Photo-induced properties in BiFeO3 film

被引：8
|
作者：
Luo Bing-Cheng [1 ]
Chen Chang-Le [1 ]
Jin Ke-Xin [1 ]
机构：
[1] NW Polytech Univ, Shaanxi Key Lab Condensed Matter Struct & Propert, Sch Sci, Xian 710129, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2012年 / 132卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
Thin films; Oxides; Electrical properties; Optical properties; THIN-FILMS; NANOPARTICLES;
D O I：
10.1016/j.matchemphys.2011.11.038
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A high degree c-axis oriented BiFeO3 film was grown on LaNiO3-coated SrTiO3 substrate by pulsed laser deposition. The leakage current density vs electric field characteristics were investigated as a function of illumination wavelength and intensity. Analysis of film electrical response suggests that the leakage current follows the Poole-Frenkel mechanism in dark. Additionally, a correlation is observed between the wavelength and power of light and the changes of photoconductivity. (C) 2011 Elsevier B.V All rights reserved.
引用
收藏
页码：364 / 367
页数：4
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