Sun, Ye and Kucera, Kalan P. and Burger, Sofie A. and Balk, T. John (2008) Nficrostructure, stability and thermomechanical behavior of crack-free thin films of nanoporous gold. SCRIPTA MATERIALIA, 58 (11). pp. 1018-1021.
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Nanoporous gold thin films were prepared by dealloying and were completely crack-free, with a continuous ligament network across gain boundaries. Film stress increases during dealloying, and thermal cycling causes thermoelastic deformation. Ligament width coarsens during cycling to 200 degrees C, but at higher temperatures the porous structure densifies. The stability of nanoporous films may also depend on film thickness. From the biaxial film stress, the equivalent yield strength of nanoporous gold was calculated to be at least 1.8 GPa. (c) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
|Uncontrolled Keywords:||nanoporous; gold; thin film; dealloying|
|Subjects:||Material Science > Nanofabrication processes and tools|
Material Science > Nanostructured materials
|Deposited By:||Anuj Seth|
|Deposited On:||17 Dec 2008 12:45|
|Last Modified:||19 Jan 2009 13:58|
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