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Cobalt 3D powder particles were successfully prepared by the galvanostatic   electrodeposition. Electrodeposited cobalt powder were characterized by X-ray   diffraction (XRD), scanning electron microscope (SEM), Energy Dispersive   Spectroscopy (EDS) analysis and SQUID magnetometry. It has been shown that   morphology, structure and magnetic properties of cobalt particles are closely   associated and can be easily controlled by adjusting process parameters of   electrodeposition. Morphology of cobalt powder particles is strongly affected   by hydrogen evolution reaction as a parallel reaction to cobalt   electrodeposition. Depending on the applied current density, the two types of   powder particles were formed: dendrites at lower and spongy-like particles at   higher current densities. Morphologies and structures of powder particles are   correlated with their magnetic properties, and compared with those of the   bulk cobalt. In comparison with the properties of bulk cobalt, the obtained   3D structures exhibited a decreased saturation magnetization (MS), but an   enhanced coercivity (HC) which is explained by their peculiar morphology.   [Projekat Ministarstva nauke Republike Srbije, br. III 45012

Correlation between morphology and magnetic properties of electrochemically produced cobalt powder particles