Effect of samarium substitution on structural and magnetic properties of magnesium ferrite nanoparticles

被引：81
|
作者：
Thankachan, Smitha [1 ]
Jacob, Binu P. [1 ]
Xavier, Sheena [1 ]
Mohammed, E. M. [1 ]
机构：
[1] Maharajas Coll, Dept Phys, Ernakulam 681011, Kerala, India
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2013年 / 348卷
关键词：
Magnesium ferrite; Sol-gel technique; Sm3+ doping; Magnetic property; SOL-GEL; NANOCRYSTALLINE; BEHAVIOR;
D O I：
10.1016/j.jmmm.2013.07.065
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Samarium doped magnesium ferrite was prepared (MgSmxFe2-xO4) by sol-gel method. X-ray diffraction analysis reveals that the samples are single phasic with crystallite sizes in the 13-25 nm regime. Increase in lattice parameter with doping concentration suggests the expansion in unit cell with Sm3+ doping. Fourier Transform Infrared Spectrum shows substitution of Sm3+ ions in octahedral B site. Transmission Electron Micrograph shows the spherical shape of nano-particles. Magnetic measurement shows a decrease in magnetization with doping which is explained using dependence on particle size. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：140 / 145
页数：6
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