Preparation and properties of nickel ferrite (NiFe2O4) nanoparticles via sol-gel auto-combustion method

被引：180
|
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, 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 RESEARCH BULLETIN | 2011年 / 46卷 / 12期
关键词：
Magnetic materials; Nanostructures; Chemical synthesis; Raman spectroscopy; Magnetic properties; NANOCRYSTALLINE NIFE2O4; MAGNETIC-PROPERTIES; MFE2O4; M; IN-SITU; NI; CO; POWDER; ROUTE; BA;
D O I：
10.1016/j.materresbull.2011.09.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using nickel and ferric nitrates and citric acid, NiFe2O4 nanoparticles are prepared by a simple and cost-effective polyvinylpyrrolidone (PVP) assisted sol-gel auto-combustion method. The synthesised nanoparticles consist of single phase inverse spinel structure of NiFe2O4. The particles are in spherical shape with an average size of similar to 8 nm. The vibrational properties show tetrahedral and octahedral sites of NiFe2O4 nanoparticles. The super-paramagnetism is observed with magnetic saturation (M-s) of 50.4 emug(-1). (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2204 / 2207
页数：4
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