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. 2016 Nov 28;9:17. doi: 10.1007/s40820-016-0120-6

Fig. 3.

Fig. 3

Formation of Ag nanoclusters network on sapphire (0001) with various thicknesses (80–200 nm) of Ag annealed at 550 °C for 180 s. ad AFM 3-D side-views of 20 × 20 µm2. a-1 to d-1 AFM top-views of 5 × 5 µm2. a-2 to d-2 Cross-sectional line profiles of corresponding AFM top-views. a-3 to d-3 2D FFT power spectra