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Phenomenological Discussion of Fe and Co Film Electrodeposited in a Magnetic Field

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Title: Phenomenological Discussion of Fe and Co Film Electrodeposited in a Magnetic Field
Authors: MATSUSHIMA, H. Browse this author →KAKEN DB
FUKUNAKA, Y. Browse this author
YASUDA, H. Browse this author
KIKUCHI, S. Browse this author
Keywords: iron and cobalt electrodeposition
magnetic field
surface morphology
MHD convection
Issue Date: 15-Jul-2005
Publisher: Iron and Steel Institute of Japan
Journal Title: ISIJ International
Volume: 45
Issue: 7
Start Page: 1001
End Page: 1004
Publisher DOI: 10.2355/isijinternational.45.1001
Abstract: Fe and Co films were galvanostatically electrodeposited at 10 mA cm-2 on Cu substrate in sulfate aqueous solution with pH=1.5. The amount of electricity of 150 C cm-2 was selected. The magnetic field (0-5 T) was superimposed parallel to the electrode plane. The superimposition of magnetic field to the electrodeposition process considerably decreased the current efficiency with increasing in the magnetic flux for Fe, while almost constant efficiency was maintained for Co. SEM images showed the smoother surface morphology of Fe film. Texture measurement demonstrated that Fe(110) plane was oriented to the magnetic field direction. On the other hand, the surface morphology of Co deposits was drastically changed from an angular to a platelike shape by superimposing the magnetic field. Comparing with the case of Fe texture evolution, Co texture variation with magnetic flux was not evident. The magnetohydrodynamic (MHD) effects on Fe and Co electrodeposited films are phenomenologically discussed.
Rights: 著作権は日本鉄鋼協会にある
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松島 永佳

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