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On self‐assembled monolayer‐covered Cu–Au substrates, localized volume shrinkage at initial dealloying sites leads to cracks within the attacked regions. It is started from well‐controlled surface structures to gain fundamental insights in the driving mechanisms of localized corrosion and crack formation. Both the crack density and the crack morphology are critically dependent on surface orientation,...
On page 4877, F. U. Renner, A. Bashir, M. Valtiner, and co‐workers describe a star‐like dealloying corrosion morphology that appears during the localized attack of smooth well‐prepared Cu–Au surfaces. The surfaces are initially protected by thiol or selenol inhibitior films. Localized dealloying of Cu–Au produces nanoporous gold under stress and crystallographic cracks – thereby opening a new approach...
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