Scanning Quantum Dot Microscope (SQDM) (IMAGE)
Caption
Image from a scanning tunnelling microscope (STM, left) and a scanning quantum dot microscope (SQDM, right). Using a scanning tunnelling microscope, the physical structure of a surface can be measured on the atomic level. Quantum dot microscopy can visualize the electric potentials on the surface at a similar level of detail -- a perfect combination.
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Copyright: Forschungszentrum Jülich / Christian Wagner
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