Abstract
Mn1−xZnxFe2O4 (x = 0.2–0.8) ferrite samples were successfully prepared by the sol–gel method. X-ray diffraction study reveals that single cubic spinel phase was formed in Mn1−xZnxFe2O4 samples. The SEM micrographs revealed that the microstructures change significantly with different Zn2+ doping concentration and sintering temperature while the grain size grow up to 9.48 μm for Mn0.6Zn0.4Fe2O4 sample sintered at 1100 °C. Further, the dielectric and magnetic measurements indicated that both Zn2+ doping and sintering temperature could affect both electrical and magnetic parameters such as dielectric constant and saturation magnetization in a great manner. The Mn0.6Zn0.4Fe2O4 sample sintered at 1100 °C for 8 h is found to show the largest Ms value (77.30 emu/g) in this work. These results indicate that Zn2+ doping or sintering temperature can adjust the microstructures, dielectric and magnetic properties of Mn1−xZnxFe2O4 ferrites.
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Acknowledgements
This work was supported by National Natural Science Foundation of China (NSFC) (Nos. 51602214, 11604234 and 11447189), Natural Science Foundation of Shanxi Province (Nos. 2015021026 and 201601D202010).
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Sun, L., Guo, J., Ni, Q. et al. Effect of Zn2+ doping on the structural, magnetic and dielectric properties of MnFe2O4 prepared by the sol–gel method. J Mater Sci: Mater Electron 29, 5356–5362 (2018). https://doi.org/10.1007/s10854-017-8501-2
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DOI: https://doi.org/10.1007/s10854-017-8501-2