Figure 2.

AFM images, cross sections, and 3D images of the Au-NP. AFM images of the 1.8-nm Au-NP on Si wafer (a) before and (b) after the application of a 2-V pulse for 32 ns. (c) Cross section following the line in (a). (d) Cross section following the line in (b). (e) 3D image of (a). (f) 3D image of (b). The red arrows indicate the position of the Au-NP before and after the application of 2-V pulse for 32 ns.

Cheng et al. Nanoscale Research Letters 2013 8:482   doi:10.1186/1556-276X-8-482
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