Title
Swiss ghost
Technique
Double Aberration-Corrected High Angle Annular Dark Field- Scanning Transmission Electron Microscopy (AC-HAADF-STEM).
Description
When a ghost hides behind a slice of Swiss cheese, the appearance resembles BiVO4 photoanodes with an ultra-thin Al2O3 coating.

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Technical specifications
The imaged was edited in DigitalMicrograph.
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