Synthesis and Magnetic Properties Evaluation of Monosized FeCo Alloy Nanoparticles Through Microemulsion Method

Synthesis and Magnetic Properties Evaluation of Monosized FeCo Alloy Nanoparticles Through... In this study, the microemulsion method as a facile and promising synthesis method was employed in order to prepare magnetic FeCo alloy nanoparticles with several Fe/Co weight ratio. For this purpose, a micellar system was applied and the reaction of Fe and Co salts reduction was proceeded in the confined spaces in liquid phase. The electromagnetic waves absorption test was conducted to determine the optimum absorbent sample. The results showed that the sample of prepared in the weight ratio of 70:30 possesses a uniform spherical morphology with an average particle size of less than 10 nm. Furthermore, AFM micrograph confirmed the formation of non-agglomerated uniform spherical nanoparticles. The evaluation of magnetic property of the synthesized samples showed that Fe70Co30 nanoparticles dedicated the highest magnetic saturation of 115 emu g−1. In addition, The magnitude of electromagnetic absorption (return loss) of this sample was measured to be −8.1 dB at 16 GHz which was at the lowest level compared with other samples highlighting the significant effect of Fe/Co weight ratio on final magnetic properties of the alloy system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Superconductivity and Novel Magnetism Springer Journals

Synthesis and Magnetic Properties Evaluation of Monosized FeCo Alloy Nanoparticles Through Microemulsion Method

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Physics; Strongly Correlated Systems, Superconductivity; Magnetism, Magnetic Materials; Condensed Matter Physics; Characterization and Evaluation of Materials
ISSN
1557-1939
eISSN
1557-1947
D.O.I.
10.1007/s10948-017-4052-2
Publisher site
See Article on Publisher Site

Abstract

In this study, the microemulsion method as a facile and promising synthesis method was employed in order to prepare magnetic FeCo alloy nanoparticles with several Fe/Co weight ratio. For this purpose, a micellar system was applied and the reaction of Fe and Co salts reduction was proceeded in the confined spaces in liquid phase. The electromagnetic waves absorption test was conducted to determine the optimum absorbent sample. The results showed that the sample of prepared in the weight ratio of 70:30 possesses a uniform spherical morphology with an average particle size of less than 10 nm. Furthermore, AFM micrograph confirmed the formation of non-agglomerated uniform spherical nanoparticles. The evaluation of magnetic property of the synthesized samples showed that Fe70Co30 nanoparticles dedicated the highest magnetic saturation of 115 emu g−1. In addition, The magnitude of electromagnetic absorption (return loss) of this sample was measured to be −8.1 dB at 16 GHz which was at the lowest level compared with other samples highlighting the significant effect of Fe/Co weight ratio on final magnetic properties of the alloy system.

Journal

Journal of Superconductivity and Novel MagnetismSpringer Journals

Published: Apr 3, 2017

References

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