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Effect of γ-rays irradiation on the structure and magnetic properties of Mg–Cu–Zn ferrites

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Abstract

The effect of γ-irradiation on the structure and magnetic properties of ferrite samples with chemical formula Mg x Cu0.5−x Zn0.5Fe2O4 (where x = 0.0, 0.2, and 0.4) prepared by conventional ceramic method has been studied. X-ray diffraction patterns (XRDPs) indicated the presence of a single spinel phase for all the investigated samples. The initial permeability and magnetization were measured, before and after irradiation on toroidal samples used as transformer cores. The initial permeability μi was measured as a function of temperature at constant frequency of 10 kHz and Curie temperatures (T C) were determined. It was found that, due to irradiation, both of lattice parameter and porosity were increased. On the other hand, the values of magnetization and initial permeability were decreased as a result of irradiation. In addition, there was a decrease in the crystallite size, homogeneity, and the values of Curie temperature with significant decrease in the values of μi and T C for the sample with x = 0.0. The results are discussed in the light of γ-rays interaction with ferrite lattice.

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Acknowledgements

The authors would like to thank the supervisor of 60Co-irradiation unit, Prof. Zeinab A. Saleh, in cyclotron facility, AEA, Egypt for performing irradiation of investigated samples and calculation of the irradiation dose.

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Authors and Affiliations

  1. Department of Basic Engineering Science, Faculty of Engineering, Menoufiya University, Shebin El-Kom, Egypt

    M. M. Eltabey

  2. Cyclotron Facility, Nuclear Research Center, Atomic Energy Authority, Cairo, 13759, Egypt

    I. A. Ali, H. E. Hassan & M. N. H. Comsan

  3. Physics Department, Faculty of Science, Taif University, Al-Hawiah, P.O. Box 888, Taif, Saudi Arabia

    H. E. Hassan

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  1. M. M. Eltabey
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  2. I. A. Ali
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Correspondence to M. M. Eltabey.

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Eltabey, M.M., Ali, I.A., Hassan, H.E. et al. Effect of γ-rays irradiation on the structure and magnetic properties of Mg–Cu–Zn ferrites. J Mater Sci 46, 2294–2299 (2011). https://doi.org/10.1007/s10853-010-5071-6

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