Volume change during the formation of nanoporous gold by dealloying |
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| Authors: | Parida S Kramer D Volkert C A Rösner H Erlebacher J Weissmüller J |
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| Affiliation: | Forschungszentrum Karlsruhe, Karlsruhe, Germany. |
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| Abstract: | We report a macroscopic shrinkage by up to 30 vol % during electrochemical dealloying of Ag-Au. Since the original crystal lattice is maintained during the process, we suggest that the formation of nanoporous gold in our experiments is accompanied by the creation of a large number of lattice defects and by local plastic deformation. |
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