AC impedance study of pattern formation of silver electrodeposits

Iwao Mogi, Masao Kamiko

Research output: Contribution to journalArticlepeer-review


Electrochemical impedance was examined in the two-dimensional growth of Ag electrodeposits to investigate the rate-determining step in the pattern formation of the aggregates. The frequency dispersions of the in-situ ac impedance during the electrodeposition demonstrated that the open-ramified growth is diffusion-limited, the dendritic growth is reaction-limited, the homogeneous growth is electric-migration-limited and the DBM (dense branching morphology) growth is both diffusion and electric-migration controlled.

Original languageEnglish
Pages (from-to)219-225
Number of pages7
Issue number2
Publication statusPublished - 1996 Jun


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