Controlled formation of metallic nanowires via Au nanoparticle ac trapping

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Applying ac voltages, we trapped gold nanoparticles between microfabricated electrodes under well-defined conditions. We demonstrate that the nanoparticles can be controllably fused together to form homogeneous gold nanowires with pre-defined diameters and conductance values. Whereas electromigration is known to form a gap when a dc voltage is applied, this ac technique achieves the opposite, thereby completing the toolkit for the fabrication of nanoscale junctions.
Nanotechnology 18, 235202 (2007)

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/128977

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0705.2119
 http://arxiv.org/abs/0705.2119
 doi:10.1088/0957-4484/18/23/235202

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arXiv