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Wednesday, June 23, 2010

Zinc Ferrite

Zinc ferrites (ZnFe2O4) prepared in the micron regime is purported to be a normal spinel with no net magnetization. Recent investigations carried out by various researchers clearly shows that, contrary to the earlier belief, it is not a normal spinel, and exhibits a net magnetization when they are prepared in the form of fine particles. This is possible if Zn2+ occupies octahedral sites (B), which results in a magnetic interaction. Various other hypotheses also exists and if this is to tested, a systematic study on similar compounds is to be undertaken.

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