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Citation: Zhang Ting-Ting, Zhou Zeng-Jun, Zhang Qi-Yun, Li Xing-Guo. The Preparation of Fe-Co Alloy Nanoparticles by the Reduction of Aluminum Powders in a Mixed Sulfate Solution[J]. Acta Physico-Chimica Sinica, ;2004, 20(10): 1239-1241. doi: 10.3866/PKU.WHXB20041014 shu

The Preparation of Fe-Co Alloy Nanoparticles by the Reduction of Aluminum Powders in a Mixed Sulfate Solution

1.
College of Chemistry and Molecular Engineering, Peking University;　State Key Laboratory for Mesoscopic Physics, Beijing　100871

Received Date: 12 February 2004
Available Online: 15 October 2004

A cost effective and convenient method for preparing nanopowders of Fe-Co alloy has been developed. The finely divided powders of Fe-Co alloy in the form of solid-solution were obtained in the FeSO4•(NH4)2SO4 and CoSO4•(NH4)2SO4 mixed solution by the reduction of aluminum powders at 40 ℃ and pH～3.The product of Fe-Co alloy was identified by XRD method and the calculated size of these nanoparticles was about 15 nm. Meanwhile, the compositions of obtained samples were analyzed by ICP-AES method. Experiment indicated that the composition of the alloy could be easily controlled by changing the mass ratio of Fe2＋:Co2＋ in the solution.
- Fe-Co alloy;Solid-solution;Nanopowders
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