Self-organization of copper secondary nodules by the second micro-MHD effect

R. Aogaki, R. Morimoto, A. Sugiyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

In copper electrodeposition under a magnetic field parallel to an electrode surface, at the initial stage, 3D nucleation is suppressed, yielding a flat surface (the first micro-MHD effect). However, after long-term deposition with proton adsorption, characteristic secondary nodules emerge from 2D nucleation, which is called the second micro-MHD effect. From the instability analysis of nonequilibrium fluctuations, at the initial stage, the 2D nuclei are selforganized at a negative overpotential of the double layer, whereas for the secondary nodule formation, a positive overpotential of the double layer is required. Therefore, it is concluded that the adsorption of proton changes the polarity of the double-layer overpotential from negative to positive, so that the secondary nodules is self-organized.

Original languageEnglish
Title of host publicationECS Transactions
Pages15-24
Number of pages10
Volume13
Edition16
DOIs
Publication statusPublished - 2008
EventExploiting Magnets and Magnetic Fields in Electrochemical Systems and Devices - 213th Meeting of the Electrochemical Society - Phoenix, AZ
Duration: 2008 May 182008 May 23

Other

OtherExploiting Magnets and Magnetic Fields in Electrochemical Systems and Devices - 213th Meeting of the Electrochemical Society
CityPhoenix, AZ
Period08/5/1808/5/23

ASJC Scopus subject areas

  • Engineering(all)

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    Aogaki, R., Morimoto, R., & Sugiyama, A. (2008). Self-organization of copper secondary nodules by the second micro-MHD effect. In ECS Transactions (16 ed., Vol. 13, pp. 15-24) https://doi.org/10.1149/1.3000677