In normal ZnFe₂O₄, Zn²⁺ occupies tetrahedral sites and Fe³⁺ occupies octahedral sites, represented (Zn)[Fe₂]O₄. The other listed ferrites show inverse or mixed cation arrangements in the intended comparison. Thus B is the normal-spinel example.
More Solids: Crystal systems and lattices, Miller planes, crystal packing, crystal defects, Bragg’s law, ionic crystals, structure of AX, AX2, ABX3 type compounds, spinels, band theory, metals and semiconductors, Zeolites and their applications. questions
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