Preparation and Reduction Process of the Ni-Fe Alloy Nanoparticles by Aluminum Powders in a Mixed Sulfate Solution

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (4): 605.

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Preparation and Reduction Process of the Ni-Fe Alloy Nanoparticles by Aluminum Powders in a Mixed Sulfate Solution

ZHANG Ting-Ting, ZHOU Zeng-Jun, ZHANG Qi-Yun*, LI Xing-Guo

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

Received:2005-08-13 Online:2006-04-10 Published:2009-04-10
Contact: ZHANG Qi-Yun,E-mail: qyzh@pku.edu.cn

Abstract

Abstract:

The 11.3 nm diameter nanopowders of Ni dominated Ni(Fe) solid solution can be prepared by using aluminum powder to react with FeSO4^. (NH ₄)₂ SO₄ and NiSO4^. (NH₄)SO₄ mixed solution. In the product, the Fe atoms replaced parts of the Ni atoms. While the mass fraction of Ni ²⁺ /(Fe ²⁺ +Ni ²⁺ ) in the solution is higher than 76%, solid solution of homogenous phase Ni(Fe) can be obtained. If the content ofNi ²⁺ /(Fe ²⁺ +Ni ²⁺ ) lower than this point, the Ni(Fe)+Fe or Fe+Ni _0.36Fe _0.64 mixed phase nanopowders will be produced.

Key words: Ni(Fe)alloy; Solid solution; Nanopowders; Fe _0.64 Ni _0.36

CLC Number:

O614

TrendMD:

ZHANG Ting-Ting, ZHOU Zeng-Jun, ZHANG Qi-Yun*, LI Xing-Guo. Preparation and Reduction Process of the Ni-Fe Alloy Nanoparticles by Aluminum Powders in a Mixed Sulfate Solution[J]. Chem. J. Chinese Universities, 2006, 27(4): 605.

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Preparation and Reduction Process of the Ni-Fe Alloy Nanoparticles by Aluminum Powders in a Mixed Sulfate Solution

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