Friday, September 11, 2015

Faceted nanostructure arrays with extreme regularity by self-assembly of vacancies

Nanoscale, 2015, Advance Article
DOI: 10.1039/C5NR04297F, Paper
Xin Ou, Karl-Heinz Heinig, Rene Hubner, Jorg Grenzer, Xi Wang, Manfred Helm, Jurgen Fassbender, Stefan Facsko
On terraces of crystalline surfaces vacancies created by ion impacts nucleate and form depressions which coarsen and finally lead to 3D morphology patterns. Depending on the crystal orientation, two fold, three-fold, four-fold, or six-fold symmetric patterns evolve on different surfaces.
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