Study of magnetic interactions in Co–Zn–Fe–O system
1998; Elsevier BV; Volume: 57; Issue: 2 Linguagem: Inglês
10.1016/s0254-0584(98)00218-1
ISSN1879-3312
AutoresMisbah Ul Islam, Mazhar uddin Rana, Tahir Abbas,
Tópico(s)Magneto-Optical Properties and Applications
ResumoCobalt–zinc ferrites with compositions Co0.5Zn0.34Fe2O4, Co0.37Zn0.51Fe2O4, Co0.3Zn0.6Fe2O4, Co0.2Zn0.74Fe2O4, were prepared by ceramic techniques. The effects of compositional variation on porosity, coercivity, remanence, saturation magnetisation, magnetic moments, and Y–K angles are reported. The coercivity exhibits almost similar behaviour to that of porosity, whereas, the remanence decreases with increasing Zn-content. The saturation magnetisation and magnetic moments exhibit decreasing behaviour with increasing Zn-content, which may be due to the increase of the B–B interaction followed by the decrease in A–B interaction. The Y–K angles increase with increasing Zn-concentration, which is attributed to the presence of triangular-type spin arrangement on B sites.
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