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Nanocrystalline Cu0.5Zn0.5Fe2O4: Preparation and Kinetics of Thermal Decomposition of Precursor

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Abstract

Cu0.5Zn0.5Fe2O4 precursor was synthesized by solid-state reaction at low heat using CuSO4⋅5H2O, ZnSO4⋅7H2O, FeSO4⋅7H2O, and Na2CO3⋅10H2O as raw materials. The spinel Cu0.5Zn0.5Fe2O4 was obtained via calcining precursor above 600 ∘C. The precursor and its calcined products were characterized by thermogravimetry and differential thermal analyses (TG/DTA), Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectrometer (EDS), and vibrating sample magnetometer (VSM). The result showed that highly crystallization Cu0.5Zn0.5Fe2O4 was obtained when the precursor was calcined at 600 ∘C for 2 h. Magnetic characterization indicated that calcined products above 600 ∘C behaved with strong magnetic properties. The kinetics of the thermal decomposition of the precursor was studied using the TG technique. Based on the KAS equation, the values of the activation energy for the thermal decomposition of the precursor were determined.

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Acknowledgements

This study was financially supported by the National Nature Science Foundation of China (Grant No. 21161002) and the Guangxi Nature Science Foundation of China (Grant No. 2011GXNSFA018036).

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P.R. China

    Wenwei Wu, Jinchao Cai, Xuehang Wu, Kaituo Wang & Qing Wang

  2. Supervision and Inspection Station of Metallurgical Products Quality of Guangxi, Nanning, 530023, P.R. China

    Yongmei Hu

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  1. Wenwei Wu
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  2. Jinchao Cai
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  3. Xuehang Wu
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Correspondence to Wenwei Wu.

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Wu, W., Cai, J., Wu, X. et al. Nanocrystalline Cu0.5Zn0.5Fe2O4: Preparation and Kinetics of Thermal Decomposition of Precursor. J Supercond Nov Magn 26, 3523–3528 (2013). https://doi.org/10.1007/s10948-013-2227-z

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  • DOI: https://doi.org/10.1007/s10948-013-2227-z

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