Synthesis and characterization of stoichiometric NiCo nano particles dispersible in both aqueous and non aqueous media

被引：14
|
作者：
Jayakumar, O. D. [1 ]
Salunke, H. G. [2 ]
Tyagi, A. K. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Chem, Bombay 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Tech Phys & Prototype Engn Div, Bombay 400085, Maharashtra, India
来源：
SOLID STATE COMMUNICATIONS | 2009年 / 149卷 / 41-42期
关键词：
Nanostructures; Chemical synthesis; X-ray diffraction; Magnetic properties; HYDROTHERMAL REDUCTION; NICKEL; COBALT; NANOPARTICLES; CYTOTOXICITY; NANOBELTS; ROUTE;
D O I：
10.1016/j.ssc.2009.07.047
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Oleic acid (OA) coated stoichiometric NiCo (50:50) nanoparticles, with and without polyvinylpyrrolidone (PVP) coating, dispersible in aqueous and non aqueous media have been synthesized by a polyol process for the first time. Structural studies by powder X-ray diffraction (XRD) and transmission electron microscopy (TEM) showed the formation of an impurity free face centred cubic phase NiCo alloy. EDS analysis confirmed nearly 50:50 alloy composition. The magnetization, as a function of field and temperature, of these samples showed a soft ferromagnetic nature. The novelty of our method is that the particles are dispersible in non aqueous and aqueous media, which will facilitate preparation of films of these particles. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1769 / 1771
页数：3
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