Structural and magnetic properties of Ti4+/Co2+ co-substituted cobalt ferrite | Zendy

Ikenna C. Nlebedim | Zendy; K. W. Dennis | Zendy; R. W. McCallum | Zendy; David Jiles | Zendy

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Structural and magnetic properties of Ti4+/Co2+ co-substituted cobalt ferrite

Author(s) -

Ikenna C. Nlebedim,

K. W. Dennis,

R. W. McCallum,

David Jiles

Publication year - 2014

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4866230

Subject(s) - coercivity , cobalt , materials science , ferrite (magnet) , magnetization , magnetic susceptibility , lattice constant , cobalt ferrite , condensed matter physics , crystallography , analytical chemistry (journal) , nuclear magnetic resonance , chemistry , metallurgy , magnetic field , composite material , diffraction , physics , environmental chemistry , quantum mechanics , optics

The variations in the structural magnetic properties of cobalt ferrite due to Ti4+/Co2+ co-substitution for 2Fe3+ are presented. The non-linear relation in the variation of the lattice parameter agrees with a previous study on cation distribution, which showed that the rate of substitution of cations into the A-sites and B-sites varies with Ti-concentration. Such variation in the rate of substitution into the cation sites was also observed in the magnetization, coercive field, and susceptibility data. The coercive field and differential susceptibility are inversely related. Although the coercive field of the Ti-substituted cobalt ferrite generally decreased compared to the un-substituted cobalt ferrite, magnetic susceptibility was higher at higher Ti-concentrations.

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