Surface chiral formation of Cu films was investigated in the galvanostatic electrodeposition under a magnetic field of 5 T perpendicular to the electrode surface. The surface chirality was examined by electrochemical voltammograms of a chiral molecule of tartaric acid. The chiral induction depended on the magnetoelectrodeposition time, and this implied that the formation of the self-organized state of magnetohydrodynamic flows around the electrode is crucial for the chiral formation.
The chiral activities of electrodeposited surfaces fabricated under vertical magnetic fields were theoretically examined. Chiral activities arise from the micro-vortexes, called micro-MHD (magnetohydrodynamic) flows (MMF), activated under a tornado-like vortex called vertical MHD flow (VMF). It was concluded that the interaction between MMF and VMF determines the activities.
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