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

R. Aogaki, R. Morimoto, A. Sugiyama

研究成果: Conference contribution

4 被引用数 (Scopus)

抄録

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.

本文言語English
ホスト出版物のタイトルECS Transactions
ページ15-24
ページ数10
13
16
DOI
出版ステータスPublished - 2008
イベントExploiting Magnets and Magnetic Fields in Electrochemical Systems and Devices - 213th Meeting of the Electrochemical Society - Phoenix, AZ
継続期間: 2008 5 182008 5 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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