Surface contamination effects on resistance of gold nanowires

Surface contamination effects on resistance of gold nanowires

Gold nanowires were patterned with e-beam lithography and fabricated with a gold film deposited by e-beam evaporation. The resistances of these wires were measured and found to be nonlinear with respect to surface area/volume. With x-ray photoelectron spectroscopy analysis, carbon and oxygen contami...

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Veröffentlicht in:Applied physics letters 2006-11, Vol.89 (20), p.203114-203114-3
Hauptverfasser: Lilley, Carmen M., Huang, Qiaojian
Format: Artikel
Sprache:eng
Schlagworte:
ADSORPTION
CARBON
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRON BEAMS
EVAPORATION
GOLD
OXYGEN
QUANTUM WIRES
SURFACE AREA
SURFACE CONTAMINATION
X-RAY PHOTOELECTRON SPECTROSCOPY
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Zusammenfassung:Gold nanowires were patterned with e-beam lithography and fabricated with a gold film deposited by e-beam evaporation. The resistances of these wires were measured and found to be nonlinear with respect to surface area/volume. With x-ray photoelectron spectroscopy analysis, carbon and oxygen contaminants in the forms of C, C-O-C, and C  O were found adsorbed on the gold surface. This contamination adsorbed on the surface may lead to increased resistance of nanowires.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2388133