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Growth of single conductive nanowires at prescribed loci
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10.1063/1.2158513
/content/aip/journal/apl/87/26/10.1063/1.2158513
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/26/10.1063/1.2158513
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Figures

Image of FIG. 1.
FIG. 1.

Characterization of a single Pd nanowire between Au electrodes on a wafer. (a) Visualization by scanning electron microscopy. The wire self-assembled from Pd acetate solution between a gap and had a diameter of . Pd acetate solution was diluted 8-fold from saturation, the source was at 300 kHz, and dc offset 0.8 V. (b) atomic force microscopy image of a portion of the nanowire shown (a). Vertical scale, 90 nm. Irregularity in wire diameter will increase electrical resistance. (c) Electron-dispersive x-ray analysis. Evidently, the nanowire is made mostly if not exclusively of Pd. Inset: electrical characterization of the nanowire in (a). The resistance was .

Image of FIG. 2.
FIG. 2.

Single Pd nanowires assembled between different types of pointed electrode. (a) “Dull” points. (b) “Sharp” points. Schematic diagrams of electrodes are presented in Fig. 1 of Ref 24.

Image of FIG. 3.
FIG. 3.

Ability of various metal salts or complexes to form nanowires under an applied signal of 300 kHz and 0.8 V dc. (a) . (b) . (c) . (d) . (e) . (f) . Each solution was saturated, buffered with 10 mM HEPES at , and prepared at room temperature except (b), for which the concentration was . These data could help to rule out some possible mechanisms of formation of the nanowire shown in Fig. 1(a).

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/content/aip/journal/apl/87/26/10.1063/1.2158513
2005-12-27
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Growth of single conductive nanowires at prescribed loci
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/26/10.1063/1.2158513
10.1063/1.2158513
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