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Issue 3, 2011
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Magnetic properties of nanocrystalline Fe/Fe3C composites

Aibing Wu,a  Deming Liu,a  Lizhu Tong,a  Lianxiang Yua  and  Hua Yang*a 
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* Corresponding authors

a College of Chemistry, Jilin University, Changchun, P. R. China
E-mail: huayang86@sina.com
Tel: +86 431 85167712

Abstract

Nanocrystalline Fe/Fe3C composites have been fabricated by an efficient solid-state synthesis route. In this reaction process, we choose the organic compound melamine as the carbon source and hydrothermally prepared nanocrystalline Fe/Fe3O4 composite as metal precursor. X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscopy and vibrating sample magnetometry have been used to characterize the composites. The experimental results show that changing reaction temperature, reaction time and the amount of melamine allows control over the composition of Fe/Fe3C composites, particle morphology and magnetic properties. The possible formation mechanisms of as-prepared nanostructures with different morphologies are discussed briefly. Magnetization measurements indicate that the composites display ferromagnetic properties at room temperature.

Graphical abstract: Magnetic properties of nanocrystalline Fe/Fe3C composites

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Publication details

The article was received on 23 Jun 2010, accepted on 20 Aug 2010 and first published on 12 Oct 2010


Article type: Paper
DOI: 10.1039/C0CE00328J
Citation: CrystEngComm, 2011,13, 876-882
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    Magnetic properties of nanocrystalline Fe/Fe3C composites

    A. Wu, D. Liu, L. Tong, L. Yu and H. Yang, CrystEngComm, 2011, 13, 876
    DOI: 10.1039/C0CE00328J

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