Electrodeposition of Co, Sm and SmCo from a Deep Eutectic Solvent

► Deep Eutectic solvent (1 choline chloride: 2 urea mixture) is useful to attain Co, Sm, and SmCo electrodeposition. ► Co deposition proceeds by nucleation and three dimensional growth. ► Inhibition for Sm deposition was detected. ► Influence of metals concentration was observed on Sm:Co ratio.