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Magnetic Properties of Mechanically Alloyed Cobalt-Zinc Ferrite Nanoparticles

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Abstract

In this work, the physical and the magnetic properties of cobalt-zinc ferrite nanoparticles, synthesized via high-energy ball milling (HEBM), were examined. X-Ray diffraction (XRD), field emission scanning electron microscopy (FeSEM), and scanning transmission electron microscopy (STEM) were used to study changes of the powder structure and morphology analyses. Hysteresis and permeability measurement were carried out using a BH hysteresisgraph system and an impedance analyzer, respectively. The results suggested improved magnetic properties of Co0.5Zn0.5Fe2O4 with increasing sintering temperature from 950 °C up to 1200 °C. However, the variations of the magnetic responses were consistent with the varying volume concentration of the ferrite composites. Unlike the highly crystalline pure ferrite which showed magnetic resonance within the measured frequency, the crystallineamorphous composites showed no visible resonance peak. This proved that the resonance peak shifted to higher frequency as a result of the single domain spin behavior in the absence of domain walls movement.

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Acknowledgements

The authors have benefited from discussions with Dr. Mansor Hashim and Dr. Ismayadi Ismail. This work was supported by the Institute of Advanced Technology and Faculty of Science UPM.

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Authors and Affiliations

  1. Material Synthesis and Characterization Laboratory, Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia

    Muhammad Aizat Noor Ismail, Mansor Hashim, Abdollah Hajalilou, Ismayadi Ismail, Muhammad Misbah M. Zulkimi, Norhapishah Abdullah, Wan Norailiana A. Rahman & Mutia Suhaibah Abdullah

  2. Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM, Serdang, Malaysia

    Mansor Hashim & Masni Manap

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  1. Muhammad Aizat Noor Ismail
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  2. Mansor Hashim
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  3. Abdollah Hajalilou
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  4. Ismayadi Ismail
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  5. Muhammad Misbah M. Zulkimi
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  6. Norhapishah Abdullah
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  7. Wan Norailiana A. Rahman
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  8. Mutia Suhaibah Abdullah
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  9. Masni Manap
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Correspondence to Muhammad Aizat Noor Ismail.

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Noor Ismail, M.A., Hashim, M., Hajalilou, A. et al. Magnetic Properties of Mechanically Alloyed Cobalt-Zinc Ferrite Nanoparticles. J Supercond Nov Magn 27, 1293–1298 (2014). https://doi.org/10.1007/s10948-013-2440-9

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  • DOI: https://doi.org/10.1007/s10948-013-2440-9

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