Nano crystalline powders of NiCu ferrite and NiCuZn ferrite prepared from citrate gel method： Synthesis and cnaracterzation
Nano crystalline powders of NiCu ferrite and NiCuZn ferrite prepared from citrate gel method： Synthesis and cnaracterzation
摘要
Nano size nickel copper ferrite powders （NiCuFe204） and nickel copper zinc ferrite powders have been prepared by a citrate gel precursor method. The resulting powders were characterized by X-ray diffraction （XRD） and scanning electron microscope （SEM）. The results showed that nickel copper ferrites and nickel copper zinc ferrites were also in the nanosaele. The NiCu ferrite powders showed extensive XRD fine broadening and sizes of crystals were calculated （from the XRD line broadening） as 26 run-44 run over the temperature range is 200-800℃. The NiCuZn ferrite powders showed XRD line broadening and sizes of of crystals were calculated 46-65 nm over 200-800℃.
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