Fig. 6From: Evolution of Self-Assembled Au NPs by Controlling Annealing Temperature and Dwelling Time on Sapphire (0001)Effects of the dwelling time on the fabrication of the self-assembled Au NPs annealed at 950 °C with the DA of 3 nm. a–c AFM top views of 3 × 3 μm2 in which the insets are of 1 × 1 μm2. (a-1)–(c-1) FFT power spectra. (a-2)–(c-2) AFM side views. (a-3)–(c-3) Cross-sectional line profiles of the corresponding samplesBack to article page