Abstract
A series of Zn2+ doped Co–Cu ferrites with the formula Co0.5Cu0.5−x Zn x Fe2O4 (0.0 ≤ x ≤ 0.3) have been successfully synthesized using the solvothermal method. X-ray diffraction and scanning electron microscopy results indicate that a high-crystallized cubic Co0.5Cu0.5−x Zn x Fe2O4 with rod-like structure is obtained when the precursor is calcined at 800°C in air for 3 h. The lattice parameters increase with the increase of Zn2+ additional amount, attributed to the larger ionic radius of the substituted ion Zn2+ than Cu2+ ionic radius. Zn2+ substitution can improve the magnetic properties of Co0.5Cu0.5−x Zn x Fe2O4. Co0.5Cu0.4Zn0.1Fe2O4 obtained at 800°C has the highest specific saturation magnetization (73.7 ± 0.9 emu/g) and magnetic moment (3.13 ± 0.04 B.M.).
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Acknowledgements
This study was financially supported by the National Natural Science Foundation of China (Grant no. 21161002) and the Guangxi University Student Innovation Foundation of China (Grant No. SYJN20130356).
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Huang, X., Zhou, Y., Wu, W. et al. Effect of Zn2+ Substitution on the Structure and Magnetic Properties of Co0.5Cu0.5Fe2O4 Synthesized by Solvothermal Method. J. Electron. Mater. 45, 3113–3120 (2016). https://doi.org/10.1007/s11664-016-4400-1
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DOI: https://doi.org/10.1007/s11664-016-4400-1