Physics – Condensed Matter – Materials Science
Scientific paper
2005-09-09
Physics
Condensed Matter
Materials Science
14 pages, 5 figures, submitted to Applied Physics Letters
Scientific paper
We report a new template electroplating method for fabricating reversible atomic contacts between a single nanowire and a macroscopic contact pad. In comparison to typical template methods using a standing-alone anode, we directly evaporate the anode on one of the porous membrane surfaces. Single nanowires, upon emerging from the pores, make reversible atomic contacts with the on-membrane anode via a self-terminating mechanism. Quantized conductance steps have been observed in a controlled fashion during deposition and dissolution. This method can potentially be applied for the controlled fabrication and integration of nanowires, point contacts, and nanosized interconnects in template-based nanofabrication.
Wu Wenhao
Ye Zuxin
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