Preparation of Superfine Fe3O4 Cubic Powders
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Graphical Abstract
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Abstract
A kind of superfine Fe3O4 cubic powder has been prepared chemi- cally.Its formation is related with the concentration of Na+1 in the chemical reaction.Given the same particle size,a superfine Fe3O4 cubic powder has a higher H(?) and lower σ,than one made up of spherical FeO4.
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