Journal Article

PreJuSER-30847

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The instability of vicinal electrode surfaces against step bunching II : theory

Ibach, H.FZJ* ; Schmickler, W.

2004
Elsevier Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.susc.2004.04.058

Abstract: It is shown that vicinal surfaces with a regular step array in contact with an electrolyte are intrinsically unstable against a phase separation into areas of flat terraces and areas of step bunches. The effect is caused by the step dipole moment which lowers the potential of zero charge (pzc) of stepped surfaces. Specific calculations performed for vicinal surfaces of silver are qualitatively in keeping with experimental observations. Step bunching is likewise expected for vicinal surfaces of gold and platinum. (C) 2004 Elsevier B.V. All rights reserved.

Keyword(s): J ; vicinal single crystal surfaces (auto) ; surface thermodynamics (including phase transitions) (auto) ; surface tension (auto) ; solid-liquid interfaces (auto)

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Institut für Grenzflächen und Vakuumtechnologien (ISG-3)

Research Program(s):

1. Kondensierte Materie (M02)

Appears in the scientific report 2004

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