Size effect of ligaments on charge induced surface stress response of nanoporous Pd prepared by dealloying

Y. K. Cao, X. Y. Ma, Y. Z. Chen, G. B. Shan, F. Liu

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6 引用 (Scopus)

摘要

Nanoporous Pd with different ligament widths (w) were prepared by dealloying and subsequent thermal coarsening. The electrocapillary coupling parameter ς, which is usually used to quantify the charge induced surface stress response, of the as-prepared samples was measured by an in-situ dilatometry method. It is found that when w is smaller than a critical value wcrit = 49.0 ± 7.4 nm, influenced by the size effect of ligaments, the absolute value of ς increases from 0.76 V to 1.03 V by decreasing w from 49.0 ± 7.4 nm to 11.2 ± 1.4 nm; while w > wcrit, the size effect of ligaments on ς becomes negligible.

源语言英语
页(从-至)1-4
页数4
期刊Scripta Materialia
123
DOI
出版状态已出版 - 1 10月 2016

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