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Synthesis of high magnetic moment CoFe nanoparticles via interfacial diffusion in core/shell structured Co/Fe nanoparticles

Wang, Chao and Peng, Sheng and Lacroix, Lise-Marie and Sun, Shouheng (2009) Synthesis of high magnetic moment CoFe nanoparticles via interfacial diffusion in core/shell structured Co/Fe nanoparticles. Nano Research, 2 (5). pp. 380-385.

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Official URL: http://www.springerlink.com/content/j8826866821211...

Abstract

We report the synthesis of high magnetic moment CoFe nanoparticles via the diffusion of Co and Fe in core/shell structured Co/Fe nanoparticles. In an organic solution, Co nanoparticles were coated with a layer of Fe to form a Co/Fe core/shell structure. Further raising the solution temperature led to inter-diffusion of Co and Fe and formation of CoFe alloy nanoparticles. These nanoparticles have high saturation magnetization of up to 192 emu/g CoFe and can be further stabilized by thermal annealing at 600 °C.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Technology > Nanotechnology and energy applications
Material Science > Nanochemistry
ID Code:5512
Deposited By:IoN
Deposited On:22 May 2009 11:42
Last Modified:22 May 2009 11:46

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