Abstract
Nanocrystalline manganese–zinc (Mn–Zn) ferrite powders prepared by the sol–gel auto-combustion method are sintered to form bulk ferrite by pulse electric current sintering technique. The sample phase, before sintering and after sintering, is carried out by X-ray diffraction (XRD). The morphology of the sample is observed by scanning electron microscopy (SEM). The results indicate that the bulk ferrite obtained has a pure spinel structure. With special graphite die, a special morphology is observed, which is explained by pressure, temperature and induced electromagnetic field.
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