Abstract
A method has been developed to produce composition-modulated alloys by electrodeposition. The method was demonstrated for the copper-nickel couple. Salts of the two component metals are dissolved in a common electrolyte and the potential is alternately pulsed for fixed durations between values above and below the reduction potential of the less noble component. Co-deposition of the nobler metal into the other metal layer is diminished by setting unfavourable diffusion conditions during the more cathodic pulse. Modulation was achieved down to 0.8 nm thick layers. The resulting composition-modulated alloys were analysed by Auger spectroscopy and X-ray diffraction.
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Yahalom, J., Zadok, O. Formation of composition-modulated alloys by electrodeposition. J Mater Sci 22, 499–503 (1987). https://doi.org/10.1007/BF01160760
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DOI: https://doi.org/10.1007/BF01160760