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Breakage dynamics and quantized conductance of gold nanowires in the presence of lubricants

AuthorsDíaz Muñoz, Marcos ; Costa Krämer, José Luis ; Escobar, A. L.; Leon, Natalia; Correia, A.
Issue Date2002
PublisherInstitute of Physics Publishing
CitationNanotechnology 13: 43-46 (2002)
AbstractThe conductance of stretching gold metallic nanowires has been measured when immersed in different lubricants. Very similar conductance values are found for all the lubricants used at room temperature. This is measured as a conductance histogram, built with thousands of consecutive stretching experiments, with well defined peaks close to integer values of the quantum conductance, G0 = 2e2/h. Thus no appreciable evidence of chemical or configurational disorder in the nanowire due to the lubricants presence is found. In addition, nanowires stretch slightly slower when immersed in lubricant than when in air. This is due to a nanowire geometry dictated mainly by the electrode atomic composition and separation, the electrostatics and a somehow larger stabilization due to the presence of the lubricants.
Identifiersdoi: 10.1088/0957-4484/13/1/309
issn: 0957-4484
Appears in Collections:(IMN-CNM) Artículos
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