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Figure 5 | Nanoscale Research Letters

Figure 5

From: From the nucleation of wiggling Au nanostructures to the dome-shaped Au droplets on GaAs (111)A, (110), (100), and (111)B

Figure 5

Summary of the evolution process on GaAs (110). Evolution of self-assembled Au droplets on GaAs (110) by the variation of Ta between 250°C and 550°C for 450 s with 2.5-nm Au deposition. Results are presented with (a-h) the AFM top-view images of 1 × 1 μm2, the corresponding surface cross-sectional line profiles in (a-1) to (h-1), and the FFT power spectra in (a-2) to (h-2). Larger scale AFM top-view images of 3 × 3 μm2 are presented in (e-3) to (h-3), and the AFM side-view images of 3 × 3 μm2 are shown in (e-4) to (h-4).

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