Breakdown of Ballistic Conduction in Single-Atom-Width Gold Wires
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.
Document Type: Short Communication
Publication date: 2012-02-01
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