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AFM images and section masurements of the thermally processed Au film: (a, c) 1 μm × 1 μm AFM scans of the Au film thermally processed at 573 K-15 min; (b) section measurement to estimate the height (11.2 nm) of a nucleated Au cluster; (d) section measurement to estimate the depth (7.4 nm) of a hole in the Au film.
