Enhanced electric and magnetic properties in Ce-Cr co-doped bismuth ferrite nanostructure

被引：20
作者：
Godara, Sanjay [1 ]
Sinha, Nidhi [1 ,2 ]
Kumar, Binay [1 ]
机构：
[1] Univ Delhi, Dept Phys & Astrophys, Crystal Lab, Delhi 7, India
[2] Univ Delhi, SGTB Khalsa Coll, Dept Elect, Delhi 7, India
来源：
MATERIALS LETTERS | 2014年 / 136卷
关键词：
BiFeO3; Nanoparticles; Co-doping; Magnetic properties; Ferroelectrics; BIFEO3;
D O I：
10.1016/j.matlet.2014.08.104
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The multiferroic BiFeO3 and Bi0.95Ce0.05Fe1-xCrxO3 (x=0, 0.05, 0.1) nanostructures have been synthesized using auto-combustion route and the influence of co-doping on its structural, magnetic and electrical properties is investigated. X-ray diffraction confirms single phase of all the samples. Little agglomerated particles with size in the range of 20-50 nm are obtained. Room temperature ferromagnetism is observed in which remnant (M-r) and saturation (M-s) magnetization increase considerably for Ce-Cr co-doped BFO. The strength of samples to sustain electric field is increased while leakage current is reduced as a result of Ce and Cr co-doping. Higher remnant polarization was obtained in P-E loop for doped BFO. Thus, co-substitution at Bi- and Fe-sites can improve multiferroic properties of BFO for various applications. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：441 / 444
页数：4
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