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Int. J. Mol. Sci. 2013, 14(7), 14204-14213; doi:10.3390/ijms140714204
Article

Facile Synthesis of FeCo/Fe3O4 Nanocomposite with High Wave-Absorbing Properties

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Received: 21 March 2013; in revised form: 20 June 2013 / Accepted: 21 June 2013 / Published: 9 July 2013
(This article belongs to the Special Issue Magnetic Nanoparticles 2013)
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Abstract: The FeCo/Fe3O4 nanocomposite was synthesized using the hydrothermal approach, in which the FeCo alloy and Fe3O4 are formed by one step. The structure of the FeCo/Fe3O4 nanocomposite was characterized by means of Scanning electron microscopy (SEM), X-ray diffraction (XRD) and X-ray energy-dispersive spectrometer spectroscopy (EDX). They show that the mass ratio of FeCo/Fe3O4 strongly depends on the reaction temperature. Such various architectures follow a stepwise growth mechanism of the composites prepared in various reaction temperatures were also discussed. It indicates that this strategy is facile, effective and controllable for the synthesis of FeCo/Fe3O4 by the one-step method. Furthermore, the magnetic and wave-absorbing properties of the nanocomposites with various structures were investigated in detail. The results show that the FeCo/Fe3O4 with higher mass ratio has higher magnetic properties. Moreover, the FeCo/Fe3O4 nanocomposite shows high wave-absorbing properties (e.g., –37.9 dB), which are expected to apply in microwave absorbing materials.
Keywords: Fe3O4/FeCo; hydrothermal; one-step; magnetic; microwave absorbing Fe3O4/FeCo; hydrothermal; one-step; magnetic; microwave absorbing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Gu, Y.; Cao, Y.; Chi, H.; Liang, Q.; Zhang, Y.; Sun, Y. Facile Synthesis of FeCo/Fe3O4 Nanocomposite with High Wave-Absorbing Properties. Int. J. Mol. Sci. 2013, 14, 14204-14213.

AMA Style

Gu Y, Cao Y, Chi H, Liang Q, Zhang Y, Sun Y. Facile Synthesis of FeCo/Fe3O4 Nanocomposite with High Wave-Absorbing Properties. International Journal of Molecular Sciences. 2013; 14(7):14204-14213.

Chicago/Turabian Style

Gu, Yu; Cao, Yang; Chi, Huijuan; Liang, Qing; Zhang, Yongji; Sun, Youyi. 2013. "Facile Synthesis of FeCo/Fe3O4 Nanocomposite with High Wave-Absorbing Properties." Int. J. Mol. Sci. 14, no. 7: 14204-14213.


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