The atomic arrangement of nanosystems may be quite different from the traditional materials; surface energy minimization plays a dominant role in this size range, and accounts for many of these new structures. Graphitic nanotubes  represent the best example, being fromed by a rolled the graphitic layer, which is tradionally flat. Subsequently the rolling of the compact (111) atomic planes was reported for gold nanowires (NW) generated by mechanical stretching . But, we may expect many more surprises from the interplay between atomic and electronic structure.
- time-resolved HRTEM
- atomic-size nanowires
- metal nanotube
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We acknowledge P.C.Silva for support during sample preparation. We also thank LNLS, FAPESP and CNPq for financial support.
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Lagos, M., Sato, F., Bettini, J., Rdrigues, V., Galvão, D., Ugarte, D. (2008). Atomic-size Silver Nanotube. In: Luysberg, M., Tillmann, K., Weirich, T. (eds) EMC 2008 14th European Microscopy Congress 1–5 September 2008, Aachen, Germany. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85156-1_247
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