Abstract
Inductive high-frequency impedance behaviour is often observed in metal electrodeposition systems. This behaviour is typically attributed to equipment limitations or non-idealities in the cell set-up and electrical connections. Such instrumental artefacts would nevertheless be relevant to a frequency range which is expected to be well above that in which inductive behaviour is in fact observed (down to a few tens of Hz). In this paper some results on an acidic Au—Sn electrodeposition system are reported. Electrochemical impedance and potentiostatic transients were measured. These results suggest that the high-frequency inductive behaviour may be related to metal nucleation processes. A correlation is proposed between the pseudo-inductive potentiostatic nucleation transients and the pseudo-inductive behaviour of the impedance spectra.
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Bozzini, B., Mele, C. & Sgura, I. On the observation of inductive high-frequency impedance behaviour during the electrodeposition of Au—Sn alloys. Journal of Applied Electrochemistry 34, 277–281 (2004). https://doi.org/10.1023/B:JACH.0000015610.76071.ab
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DOI: https://doi.org/10.1023/B:JACH.0000015610.76071.ab