PREPARATION AND CHARACTERISTICS OF NIXZN(1-X)FE2O4-ENCAPSULATED HOLLOW GLASS SPHERES BY ERRITE PLATING
Abstract
Hollow glass spheres was encapsulated with a layer of NixZn(1-x)Fe2O4 film without using ultrasound by ferrite plating at a temperature of 80°C. The films were characterized by X-ray diffraction (XRD), optical microscopy, scanning electron microscopy (SEM) and energy dispersion spectroscopy (EDS). XRD patterns indicated the films had spinel structure. The atom ratio of nickel to iron in the films was affected by the proportion of reactants and the synthetic conditions. The saturation magnetization of the composite spheres was enhanced from 24emu/g to 60emu/g with the increase of reactants solution concentration.
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