Chiral catalytic activities in magnetoelectrochemical etching

R. Aogaki, R. Morimoto, M. Asanuma, I. Mogi, A. Sugiyama, M. Miura, Y. Oshikiri, Y. Yamauchi

Research output: Contribution to journalArticle

Abstract

Chiral catalytic activities of electrode surfaces fabricated by magnetoelectrochemical etching without oxygen adsorption in a vertical magnetohydrodynamic (MHD) flow have been theoretically examined. Then, the following points were clarified: under anionic specific adsorption, such activities arise from the screw dislocations of 2D pits. Their chirality is donated by microscopic vortexes termed micro-MHD flows, which are formed on the free surfaces covered with ionic vacancies. As a result, under upward (+) and downward (-) magnetic fields, D (dextrorotatory)- and L (levorotatory)-activities appear, respectively.

Original languageEnglish
Pages (from-to)353-360
Number of pages8
JournalMagnetohydrodynamics
Volume51
Issue number2
Publication statusPublished - 2015

Fingerprint

magnetohydrodynamic flow
Magnetohydrodynamics
catalytic activity
Etching
Catalyst activity
etching
Adsorption
Screw dislocations
adsorption
Chirality
screw dislocations
chirality
Vacancies
Vortex flow
Magnetic fields
Electrodes
Oxygen
electrodes
oxygen
magnetic fields

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy(all)

Cite this

Aogaki, R., Morimoto, R., Asanuma, M., Mogi, I., Sugiyama, A., Miura, M., ... Yamauchi, Y. (2015). Chiral catalytic activities in magnetoelectrochemical etching. Magnetohydrodynamics, 51(2), 353-360.

Chiral catalytic activities in magnetoelectrochemical etching. / Aogaki, R.; Morimoto, R.; Asanuma, M.; Mogi, I.; Sugiyama, A.; Miura, M.; Oshikiri, Y.; Yamauchi, Y.

In: Magnetohydrodynamics, Vol. 51, No. 2, 2015, p. 353-360.

Research output: Contribution to journalArticle

Aogaki, R, Morimoto, R, Asanuma, M, Mogi, I, Sugiyama, A, Miura, M, Oshikiri, Y & Yamauchi, Y 2015, 'Chiral catalytic activities in magnetoelectrochemical etching', Magnetohydrodynamics, vol. 51, no. 2, pp. 353-360.
Aogaki R, Morimoto R, Asanuma M, Mogi I, Sugiyama A, Miura M et al. Chiral catalytic activities in magnetoelectrochemical etching. Magnetohydrodynamics. 2015;51(2):353-360.
Aogaki, R. ; Morimoto, R. ; Asanuma, M. ; Mogi, I. ; Sugiyama, A. ; Miura, M. ; Oshikiri, Y. ; Yamauchi, Y. / Chiral catalytic activities in magnetoelectrochemical etching. In: Magnetohydrodynamics. 2015 ; Vol. 51, No. 2. pp. 353-360.
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