STM images of Ag clusters. (a) STM images (3 mV, 2 nA) of Ag clusters deposited onto a HOPG substrate illustrating the Volmer-Weber cluster growth, (b) line scan taken along the white line in (a). The graphs in (c) and (d) are histograms of particle height and particle diameter distributions, respectively.
Ndlovu et al. Nanoscale Research Letters 2012 7:173 doi:10.1186/1556-276X-7-173