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Nanocrystalline Co 1−x Zn x Fe 2 O 4 ferrites with spinel phase were prepared by a spraying-coprecipitation method. Experimental results indicate that the average grain size of Co 1−x Zn x Fe 2 O 4 ferrites calcined at 973K for 1.5h is about 32nm and more uniform. The obtained smaller and more uniform particle size can be ascribed to...
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