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(a) High-magnification Z-contrast micrographs showing 10 wt % loaded Au on anatase. In the oxidized precursor state following deposition–precipitation of Au (reproduced from ref (12)). (b) AC-STEM micrograph of a 5 wt % Au on iron oxide prepared by deposition–precipitation (reproduced from ref (13)). In both images a range of Au species from atoms clusters and nanoparticles are clearly visible.
