Figure 1.

aAFM image (5 μm × 5 μm scan size) of the starting thermal SiO2substrate.bgAFM images (5 μm × 5 μm scan size) of the Au film deposited on thermal SiO2with different thickness:b2 nm,c8 nm,d14 nm,e20 nm,f26 nm,g32 nm

Ruffino et al. Nanoscale Research Letters 2009 4:262-268   doi:10.1007/s11671-008-9235-0