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Dispersion characteristics of the complex permeability-permittivity of Ni-Zn ferrite-epoxy composites

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Abstract

The effects of volume fraction and particle size of ferrite on the electric and magnetic properties of epoxy composites containing Ni-Zn ferrite were investigated. The composites were prepared by the cement mixed method and shaped as coaxial, toroidal and disc types. The complex permeability and permittivity were measured using an impedance-gain phase analyser (HP4194A) and a network analyser (HP8753C) in the frequency range 1 MHz–5 GHz.

The complex permeability of the composites was found to increase as the ferrite content increased, and was characteristic of the frequency dispersion. A model to describe the frequency dispersion characteristics of the composite, which was a function of the ferrite content, is proposed here. The complex permittivity of the composite was found to be dependent mainly on the volume fraction of the ferrite and was relatively independent of frequency and particle size of the ferrite.

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References

  1. K. Y. Kim, W. S. Kim, S. M. Kang and H. J. Jung, J. Mater. Sci. 27 (1992) 4741.

    Article  CAS  Google Scholar 

  2. K. Y. Kim, W. S. Kim and S. Y. Hong, IEEE Trans Mag. 29 (1993) 2134.

    Article  CAS  Google Scholar 

  3. Z. Gigbi and L. Jilken, J. Magn. Magn. 37 (1983) 267.

    Article  Google Scholar 

  4. D. R. Saini, A. V. Shenoy and V. M. Nadkarni, J. Appl. Polym. Sci. 29 (1983) 4123.

    Article  Google Scholar 

  5. Mun fu Tse, ibid. 30 (1985) 3625.

    Article  CAS  Google Scholar 

  6. H. C. Kim, P. T. Lee, Y. C. Jung and J. S. Um, Kor. EMC/EMI Soc. 4 (1993) 41.

    Google Scholar 

  7. H. T. Johnson and E. G. Visser, IEEE Trans. Mag. 26 (1990) 1987.

    Article  CAS  Google Scholar 

  8. P. B. Jana, A. K. Mallick and S. K. De, IEEE Trans. Electromagn. Compat. 34 (1992) 478.

    Article  Google Scholar 

  9. K. Y. Kim, W. S. Kim and J. K. Lee, KITE Rev. 28 (1991) 9.

    Google Scholar 

  10. K. Y. Kim, W. S. Kim, H. J. Jung and S. D. Jang, Jap. J. Appl. Phys. 4 (1991) 369.

    CAS  Google Scholar 

  11. H. Igarashi and K. Okajaki, J. Amer. Ceram. Soc. 60 (1976) 51.

    Article  Google Scholar 

  12. E. G. Visser, J. Magn. Magn. Mater. 81 (1984) 103.

    Google Scholar 

  13. J. L. Snoek, Physica 14 (1948) 207.

    Article  CAS  Google Scholar 

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Han, K.C., Choi, H.D., Moon, T.J. et al. Dispersion characteristics of the complex permeability-permittivity of Ni-Zn ferrite-epoxy composites. JOURNAL OF MATERIALS SCIENCE 30, 3567–3570 (1995). https://doi.org/10.1007/BF00351866

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  • DOI: https://doi.org/10.1007/BF00351866

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