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Synthesis and Preparation of Magnetic Fe-Doped CeO2 Nanoparticles Prepared by Simple Sol-Gel Method

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Abstract

Fe-doped ceria nanoparticles were synthesized by a simple co-precipitation method via iron nitrate (Fe( NO3)3⋅9 H2O) and cerium nitrate (Ce(NO3)3⋅6H2O) as a precursor in the presence of diethylene glycol and ammonia solution. The prepared samples were characterized by high-resolution transmission electron microscopy (HRTEM), field effect scanning electron microscopy (FESEM), X-ray diffraction (XRD), vibration sampling magnetometer (VSM), and Fourier transform infrared spectroscopy (FTIR) in different temperatures. The XRD results showed a cubic structure of Fe-doped CeO2. The mean particle size of the as-prepared samples was around 30 nm, and that of samples annealed at 500 ∘C for 3 h was 35 nm. This analysis also indicated the change of particles to rod-like shape by increasing temperature. The TEM studies exhibited the square-like shaped nanoparticles. The sharp peaks in the FTIR spectrum determined the element of Fe–Ce nanoparticles. The magnetic measurements of the as-prepared samples showed a coercive field and saturation magnetism at about 1611 G and 0.06 emu/g, respectively.

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Acknowledgments

The authors are thankful for the financial support of Islamic Azad University, Varamin Pishva Branch, for the analysis and discussions of the results.

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Authors and Affiliations

  1. Department of Physics, Islamic Azad University, Varamin Pishva Branch, Varamin, Iran

    M. Dastpak, M. Farahmandjou & T. P. Firoozabadi

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  1. M. Dastpak
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  2. M. Farahmandjou
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  3. T. P. Firoozabadi
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Correspondence to M. Farahmandjou.

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Dastpak, M., Farahmandjou, M. & Firoozabadi, T.P. Synthesis and Preparation of Magnetic Fe-Doped CeO2 Nanoparticles Prepared by Simple Sol-Gel Method. J Supercond Nov Magn 29, 2925–2929 (2016). https://doi.org/10.1007/s10948-016-3639-3

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  • DOI: https://doi.org/10.1007/s10948-016-3639-3

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