Preparation and properties of NiFe2O4 nanowires

被引：44
|
作者：
Sivakumar, P. [1 ]
Ramesh, R. [2 ]
Ramanand, A. [3 ]
Ponnusamy, S. [2 ]
Muthamizhchelvan, C. [2 ]
机构：
[1] TS Srinivasan Ctr Polytech Coll & Adv Training CP, Dept Basic Engn, Madras 600095, Tamil Nadu, India
[2] SRM Univ, Dept Phys, Ctr Mat Sci & Nano Devices, Kancheepuram 603203, Tamil Nadu, India
[3] Loyola Coll, Dept Phys, Madras 600034, Tamil Nadu, India
来源：
MATERIALS LETTERS | 2012年 / 66卷 / 01期
关键词：
NiFe2O4; Nanoparticles; Nanowires; Nanocrystalline materials; Raman; Magnetic properties; MAGNETIC-PROPERTIES; NANOPARTICLES; FABRICATION; ROUTE;
D O I：
10.1016/j.matlet.2011.09.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polycrystalline NiFe2O4 nanowires have been synthesized by PEG assisted co-precipitation method. The formation mechanism of the nanowires proposed is by means of the orientational aggregation of individual nanoparticles. X-ray diffraction, high resolution scanning electron microscopy, transmission electron microscopy, microRaman and vibrating sample magnetometry studies were carried out. The results show that NiFe2O4 nanowires were in polycrystalline form with diameter of 58 nm. The synthesized nanowires show room temperature ferromagnetic property with high coercivity. This method is expected to be useful for large scale synthesis of NiFe2O4 nanowires for the application of magnetic recording. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：314 / 317
页数：4
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