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An investigation of the formation of Ni-ferrite from a powder mixture of NiO and Fe2O3 by high-energy ball milling combining X-ray diffraction and differential scanning calorimetry (DSC) is presented. The XRD results indicate that the NiO/Fe2O3 particles reacted in a self-sustaining combustion mode, producing nickel ferrite particles ranging from 5 to 18 nm in size after 18 h of milling. The DSC traces...
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