Abstract
A Co-Zn alloy deposit was obtained from ambient temperature molten salt electrolyte CoCl2-ZnCl2-EMIC. The Co content in the Co-Zn alloy deposit was continuously controlled from 0 to 100wt% by controlling the bath composition and current density. Co-Zn alloy deposit morphology was significantly improved by EMIC. Moreover, the bath temperature could be decreased from 130 to 80°C. The Co-Zn alloy deposit crystal structure changes from the Zn binary phase and intermetallic compound Co5Zn21 to the Co binary phase and the intermetallic corresponding compound as a function of Co content in the deposit. An amorphous deposit of Co-Zn alloy is obtained from this molten electrolyte.
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