Particle size dependent multiferroic properties of Bi0.95Tb0.05FeO3 nanoparticles

被引：14
|
作者：
Dhir, Gitanjali [1 ]
Uniyal, Poonam [1 ]
Verma, N. K. [1 ]
机构：
[1] Thapar Univ, Sch Phys & Mat Sci, Nano Res Lab, Patiala 147004, Punjab, India
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2015年 / 26卷 / 06期
关键词：
BIFEO3; NANOPARTICLES; DOPED BIFEO3; BEHAVIOR;
D O I：
10.1007/s10854-015-2866-x
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This study presents the influence of particle size on multiferroic properties of nanoscale Bi0.95Tb0.05FeO3. The sol-gel technique was used to synthesize the pure and Tb-doped BiFeO3 nanoparticles. The Tb-doping reveals onset of orthorhombic phase in BiFeO3. It enhanced its magnetic and ferroelectric properties, respectively, through 2.1 and 1.5 times by unlocking spin spiral structure and breaking centrosymmetry. The shift of ferroelectric loops in the magnetic field shows the presence of magnetoelectric coupling. The variation in size of Bi0.95Tb0.05FeO3 nanoparticles show that the particles with smallest size (15-20 nm) possess highest magnetization (2.8 emu/g), polarization (5.1 A mu C/cm(2)), and magnetoelectric coupling (8 %).
引用
收藏
页码：3538 / 3544
页数：7
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