Enhanced magnetodielectric and multiferroic properties of Er-doped bismuth ferrite nanoparticles

被引：26
|
作者：
Mukherjee, A. [1 ]
Banerjee, M. [1 ]
Basu, S. [1 ]
Mukadam, M. D. [2 ]
Yusuf, S. M. [2 ]
Pal, M. [3 ]
机构：
[1] Natl Inst Technol, Dept Phys, Durgapur 713209, India
[2] Bhabha Atom Res Ctr, Div Solid State Phys, Bombay 400085, Maharashtra, India
[3] CSIR Cent Glass & Ceram Res Inst, Kolkata 700032, India
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2015年 / 162卷
关键词：
Nanostructures; Sol-gel growth; Electrical properties; Magnetic properties; MAGNETIC-PROPERTIES; ELECTRICAL-PROPERTIES; AC CONDUCTION; BIFEO3; CHALCOGENIDE; SIZE;
D O I：
10.1016/j.matchemphys.2015.05.048
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An enhancement in multiferroic properties has been achieved for chemically prepared BFO nanoparticles by doping with erbium (Er). XRD along with electron microscopy study reveals the phase purity and nanocrystalline nature of BFO. Enhancement of both the magnetic moment and resistivity is observed by virtue of Er doping. The observed enhanced magnetic moment is considered to be associated with smaller crystallite whereas increase of resistivity may be attributed to a decrease of oxygen vacancies. Doping also display an improvement of leakage behaviour and dielectric constant in nanocrystalline BFO, reflected in well-developed P-E loop. In addition, large enhancement in magnetodielectric coefficient is observed because of Er doping. Therefore, the results provide interesting approaches to improve the multiferroic properties of BFO, which has great implication towards its applications. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：140 / 148
页数：9
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