Fig. 1From: Obliquely Deposited Gold Nanohelices on Lithography-Free Prepared Nanoseeded SurfacesTop-view SEM images of Au particles on surfaces with different mean particle diameters and spacing: a (d, s) = (45 nm, 40 nm); b (d, s) = (105 nm, 85 nm); c (d, s) = (150 nm, 125 nm); d (d, s) = (180 nm, 150 nm); e (d, s) = (200 nm, 170 nm)Back to article page