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Lookup NU author(s): Dr Wouter Meuleman,
Professor Sudipta Roy
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Recent investigations on nanostructured metal multilayers have shown that interfaces between each bi-layer can affect the properties of a multilayer. Transient current and potential data after the application of a potential step or a current step, respectively, during the codeposition of copper and nickel from a citrate electrolyte have been investigated. It has been found that on the application of a current step only copper is reduced at first, followed by the deposition of a copper-nickel alloy. Once the current is switched off, nickel (or a nickel-rich) alloy is dissolved from the deposit due to displacement by copper. Transient potentials and steady-state polarisation data can be used to determine the amount of nickel dissolved from a deposit.
Author(s): Meuleman WRA, Roy S
Publication type: Article
Publication status: Published
Journal: Transactions of the Institute of Metal Finishing
Print publication date: 01/03/2003
ISSN (print): 0020-2967
ISSN (electronic): 1745-9192
Publisher: Maney Publishing