Structural and magnetic properties of CoFe2-xMoxO4 nanocrystalline ferrites

被引：31
|
作者：
Mohamed, Mohamed Bakr [1 ]
Wahba, Adel Maher [2 ]
Yehia, M. [3 ]
机构：
[1] Ain Shams Univ, Fac Sci, Dept Phys, Cairo, Egypt
[2] Tanta Univ, Fac Engn, Dept Engn Phys & Math, Tanta, Egypt
[3] Atom Energy Author, Reactor Phys Dept, Nucl Res Ctr, Cairo, Egypt
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2014年 / 190卷
关键词：
Cobalt ferrite; Magnetic properties; Cation distribution; Mossbauer spectroscopy; CATION DISTRIBUTION; COBALT; BEHAVIOR;
D O I：
10.1016/j.mseb.2014.09.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural and magnetic properties of CoFe2-xMoxO4 (x = 0, 0.04, 0.08, 0.12, 0.16, 0.2, and 0.3) nano ferrites synthesized by autocombustion method were investigated. X-ray powder diffraction patterns have confirmed the pure cubic crystalline phase of the synthesized nanoparticles. Magnetic properties were explored using vibrating sample magnetometry and Mossbauer spectroscopy. Both the crystallite size (D) and the saturation magnetization (M-s) decreased continuously with increasing Mo content. Bertaut method based on X-ray diffraction, infrared spectroscopy (IR) data, saturation magnetization and Mossbauer spectroscopy were used to suggest the cation distribution in tetrahedral (A) and octahedral [B] sites for the whole samples. (c) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：52 / 58
页数：7
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