Fabrication and magnetic properties of NiFe2O4 nanorods

被引：0
作者：
Yue Wu
Changhong Shi
Wei Yang
机构：
[1] North University of China,National Key Laboratory for Electronic Measurement Technology
[2] North University of China,School of Mechanical and Electronic Engineering
[3] The Quartermaster Institute of the General Logistics Department of the PLA,undefined
来源：
Rare Metals | 2010年 / 29卷
关键词：
inorganic compounds; nickel ferrite; nanorods; electron microscopy; magnetic properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
NiFe2O4 nanorods have been successfully synthesized via thermal treatment of the rod-like precursor fabricated by Ni-doped α-FeOOH, which was enwrapped by the complex of citric acid and Ni2+. The morphology evolution during the calcination of the precursor nanorods was investigated with transmission electron microscopy (TEM), and the phase and the magnetic properties of samples were analyzed through X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The results indicated that the diameter of the NiFe2O4 nanorods obtained ranged between 30 and 50 nm, and the length ranged between 2 and 3 μm. As the calcination temperature was up to 600°C, the coercivity, saturation magnetization, and remanent magnetization of the samples were 36.1 kA·m−1, 27.2 A·m2·kg−1, and 5.3 A·m2·kg−1, respectively. The NiFe2O4 nanorods prepared have higher shape anisotropy and superior magnetic properties than those with irregular shapes.
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页码：385 / 389
页数：4
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共 113 条
[1]  
Ziolo R.F.(1992)Matrix-mediated synthesis of nanocrystalline γ-ferric oxide: A new optically transparent magnetic material Science 257 219-undefined
[2]  
Giannelis E.P.(1994)One-dimensional patterns and forced periodicity in magnetic fluids Phys. Rev. Lett. 72 2294-undefined
[3]  
Weinstein B.A.(2006)Preparation of magnetic spinel ferrite core/shell nanoparticles: Soft ferrites on hard ferrites and vice versa Solid State Sci. 8 1015-undefined
[4]  
O’Horo M.P.(2006)Nanosize ferrites obtained by ball milling: Crystal structure, cation distribution, size-strain analysis and Raman investigations Solid State Sci. 8 908-undefined
[5]  
Ganguli B.N.(1999)Magnetic recording beyond the first 100 years J. Magn. Magn. Mater. 193 29-undefined
[6]  
Mehrotra V.(1995)Advances in ferrofluid technology J. Magn. Magn. Mater. 149 174-undefined
[7]  
Russel M.W.(2005)Necklace-shaped assembly of single-crystal NiFe Mater. Lett. 59 2101-undefined
[8]  
Huffman D.R.(2005)O J. Solid State Chem. 178 2394-undefined
[9]  
Wirtz D.(2002) nanospheres under magnetic field Thin Solid Films 407 109-undefined
[10]  
Fermigier M.(2001)Synthesis and magnetic properties of nickel ferrite nano-octahedra Science 291 630-undefined
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