| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1502681 | Scripta Materialia | 2009 | 4 Pages |
Abstract
Diffusion-controlled deformation mechanisms may become relevant for nanocrystalline and nanostructured materials at room temperature. In this paper, the stress–strain behavior of gold nanowires 40 nm wide, 20 nm high and 1 mm long on a flexible substrate was investigated in the temperature range of 173–393 K. For decreasing temperatures, the yield strength and the fracture resistance increase. Both can be qualitatively explained by diffusion-driven deformation. The activation energy at room temperature indicates diffusion on (1 1 1) surfaces.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Sven Olliges, Stephan Frank, Patric A. Gruber, Vaida Auzelyte, Karsten Kunze, Harun H. Solak, Ralph Spolenak,