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Breakdown of Ballistic Conduction in Single-Atom-Width Gold Wires

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Abstract:

Single-atom-width gold wires were produced by stretching gold nanocontacts using piezomanipulation inside a high-resolution transmission electron microscope. The structure of the wires was observed in situ with simultaneous conductance measurements. The conductance of the wires depended on the length; the conductance decreased from 1G0 to 0.1G0 (G0 = 2e 2/h, where e is the charge of an electron and h is Planck's constant) as the length increased from 1 atom to 7 atoms. The results show that ballistic conduction breaks down in the wires.

Keywords: ATOMIC WIRE; GOLD; NANOCONTACT; QUANTIZATION OF CONDUCTANCE; TRANSMISSION ELECTRON MICROSCOPY

Document Type: Short Communication

DOI: https://doi.org/10.1166/jnn.2012.5878

Publication date: 2012-02-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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