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. 2015 Sep 10;5:13954. doi: 10.1038/srep13954

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(a) SEM image of 40(x) × 30(y) μm². (b) Combined phase map of Au (yellow) and Si (red). (c) Line-profiles of element counts of Si (green) and Au (blue). (d,e) Corresponding EDS spectra from the red box (d) and blue (e). (f,g) 3-D top-view phase maps of Si and Au.