Influence of Ce and Ni co-doping on structural, optical and magnetic properties of BiFeO3 thin films

被引：0

作者：

Cui Jin-Yu ^{[1
]}

Yang Ping-Xiong ^{[2
]}

Chu Jun-Hao ^{[2
]}

机构：

[1] Yingkou Univ Technol, Dept Mech & Elect Engn, Yingkou 115014, Peoples R China

[2] E China Normal Univ, Dept Elect, Key Lab Polar Mat & Devices, Minist Educ, Shanghai 200241, Peoples R China

来源：

JOURNAL OF INFRARED AND MILLIMETER WAVES | 2016年 / 35卷 / 03期

基金：

中国国家自然科学基金;

关键词：

BiFeO3; Ce and Ni co-doping; optical properties; magnetism;

D O I：

10.11972/j.issn.1001-9014.2016.03.012

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Bi0.9Ce0.1Fe1-xNixO3, (x = 0, 0.03, 0.05, 0.07) thin films were fabricated on SiO2 substrates by sol-gel process. X-ray diffraction patterns indicate that all films exhibit a distorted pseudo tetragonal perovskite structure with a high degree of (012/110) preferred orientation and peak position deviation. The intensity of (012/110) peak changes with the change of x with a maximum value at x 0.05. Furthermore, the grain size become the biggest at x = 0. 05 revealed by scanning electron microscopy (SEM). The smallest band gap of xBCFNO films is 2.14 eV at x = 0.03 measured by the optical transmission spectra. The magnetic hysteresis (M-H) loops show that the room-temperature ferromagnetism was enhanced with Ce and Ni co-doping.

引用

页码：322 / +

页数：5

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