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Bikondoa, Oier; Carbone, Dina; Chamard, Virginie; Metzger, Till Hartmut (2013)
Publisher: Nature Publishing Group
Languages: English
Types: Article
Subjects: QC
Identifiers:doi:10.1038/srep01850
Instabilities caused during the erosion of a surface by an ion beam can lead to the formation of self-organized patterns of nanostructures. Understanding the self-organization process requires not only the in-situ characterization of ensemble averaged properties but also probing the dynamics. This can be done with the use of coherent X-rays and analyzing the temporal correlations of the scattered intensity. Here, we show that the dynamics of a semiconductor surface nanopatterned\ud by normal incidence ion beam sputtering are age-dependent and slow down with sputtering time. This work provides a novel insight into the erosion dynamics and opens new perspectives for the understanding of self-organization mechanisms.
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