Figure 5.

SEM images of surface roughness for of Au surfaces; as presented in [13]for (a) 0.2 Å/s deposition rate. The roughness is high and but relatively homogeneous over the surface. Au grains are clustering over the surface and present a lower density. The inset is a 10 μm2 AFM profile. (b) At 0.7 Å/s deposition rate, the localized surface roughness is smaller, more compact and a lower clusterization with the typical grain size of Au at 6 nm.

Lepage et al. Nanoscale Research Letters 2011 6:388   doi:10.1186/1556-276X-6-388
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