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Gold nanowires and the effect of impurities

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Abstract

Metal nanowires and in particular gold nanowires have received a great deal of attention in the past few years. Experiments on gold nanowires have prompted theory and simulation to help answer questions posed by these studies. Here we present results of computer simulations for the formation, evolution and breaking of very thin Au nanowires. We also discuss the influence of contaminants, such as atoms and small molecules, and their effect on the structural and mechanical properties of these nanowires.

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Acknowledgments

The TBMD code was developed by Florian Kirchhoff as part of the Computational Chemistry and Materials Science Computational Technology Area (CCM CTA)’s contribution to the U.S. Department of Defense CHSSI program. The simulations were performed at the National Center for High Performance Computing in São Paulo (CENAPAD-SP). We acknowledge support from FAPESP and CNPq;. We would like to acknowledge fruitful discussions with D. Ugarte and V. Rodrigues. e-mail address: zacarias@ifi.unicamp.br

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Correspondence to Edison Z. da Silva.

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da Silva, E.Z., Novaes, F.D., da Silva, A.J. et al. Gold nanowires and the effect of impurities. Nanoscale Res Lett 1, 91 (2006) doi:10.1007/s11671-006-9018-4

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PACS

  • 71.15.-m
  • 71.15.Fv
  • 71.15.Nc