Figure 3.

SEM images of elliptical nanostructures coated with Au of different thicknesses. (a) 10nm, bar = 300nm; (b) 15nm, bar = 500nm; (c) 18nm, bar = 1μm; (d) 20nm, bar = 500nm; and (e) 70nm, bar = 500nm.

Gao et al. Nanoscale Research Letters 2012 7:399   doi:10.1186/1556-276X-7-399
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