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  • Chem Sci Trans., 2016, 5(1),  pp 137-144  

    DOI:10.7598/cst2016.1166

    Research Article

    Effect of Cu Substituted in Ni-Zn Ferrite by Chemical Co-Precipitation Method

  • B.SURYANARAYANA*, VEMURI RAGHAVENDRA and K.CHANDRA MOULI
  • Solid State Physics & Materials Research Labs, Dept.of Engineering Physics, Andhra University, Visakhapatnam, India
  • Abstract

    Ferrite particles with composition Ni0.2CuxZn0.8-xFe2O4 where (x=0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7) were prepared by the chemical co-precipitation method. X-ray diffraction analysis illustrated the single phase cubic spinel structure formation as Cu was introduced in Ni-Zn-Fe system and increase in density till x=0.5 and then decreased and shown about 94% of the theoretical density. The particle size ranges from 18 to 90 nm by observation of transmission electron microscopy. The saturation magnetization (Ms) in the range of 7.76 to 8.66 emu/g is observed. The magnetic properties were found to increase with the increase in Cu substitution up to x=0.3. The resistivity is observed to decrease with the increment of frequency for all the samples

    Keywords

    Co-precipitation, Ferrite, XRD, TEM, Magnetic

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