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Molecules 2018, 23(1), 19; doi:10.3390/molecules23010019

Chiral Symmetry Breaking in Magnetoelectrochemical Etching with Chloride Additives

1
Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
2
Polytechnic University, Sumida-ku, Tokyo 130-0026, Japan
*
Author to whom correspondence should be addressed.
Received: 29 November 2017 / Revised: 19 December 2017 / Accepted: 20 December 2017 / Published: 22 December 2017
(This article belongs to the Special Issue Chirality in Health and Environment: Recent developments)
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Abstract

Magnetoelectrolysis (electrolysis under magnetic fields) produces chiral surfaces on metal thin films, which can recognize the enantiomers of amino acids. Here, the chiral surface formation on copper films is reported in magnetoelectrochemical etching (MEE) at 5T with chloride additives. In the absence of additives, the surface chirality signs of MEE films depended on the magnetic field polarity. On the contrary, the MEE films prepared with the additives exhibited only d-activity in both magnetic field polarities. This result implies that the specific adsorption of chloride additives induces the chiral symmetry breaking for the magnetic field polarity. View Full-Text
Keywords: surface chirality; magnetoelectrolysis; magnetohydrodynamic vortex; chiral symmetry breaking; copper film; alanine surface chirality; magnetoelectrolysis; magnetohydrodynamic vortex; chiral symmetry breaking; copper film; alanine
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Mogi, I.; Aogaki, R.; Takahashi, K. Chiral Symmetry Breaking in Magnetoelectrochemical Etching with Chloride Additives. Molecules 2018, 23, 19.

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