Contribution to Analysis of Co/Cu Substituted Ni-Zn Ferrites | Zendy

G. S. V. R. K. Choudary | Zendy; P. Prameela | Zendy; M. Chaitanya Varma | Zendy; Ajay Kumar | Zendy; K. H. Rao | Zendy

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Contribution to Analysis of Co/Cu Substituted Ni-Zn Ferrites

Author(s) -

G. S. V. R. K. Choudary,

P. Prameela,

M. Chaitanya Varma,

Ajay Kumar,

K. H. Rao

Publication year - 2013

Publication title -

indian journal of materials science

Language(s) - English

Resource type - Journals

ISSN - 2314-7490

DOI - 10.1155/2013/350707

Subject(s) - materials science , crystallite , cobalt , copper , lattice constant , ferrite (magnet) , ionic radius , grain boundary , polyethylene glycol , diffraction , ionic bonding , analytical chemistry (journal) , chemical engineering , ion , metallurgy , composite material , chemistry , microstructure , optics , chromatography , physics , organic chemistry , engineering

In this communication, Co/Cu substituted Ni-Zn ferrites processed through sol-gel synthesis using polyethylene glycol (PEG) as a chelating agent are studied, intending to aid in understanding and choosing the optimum ferrite material for high frequency applications. Lattice constant and average crystallite size have been estimated from FWHM of the X-ray diffraction peaks, and these parameters are understood by considering the ionic radii of the substituted as well as the replacing ions. Observed variations in saturation magnetization and initial permeability for these ferrites have been explained on the basis of anisotropy contribution for cobalt and segregation of copper at grain boundaries evident from scanning electron micrographs

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