Credit: Martin Gruebele
Toward single-particle tomography of excited nanomaterials.
Top: Side-view image of a quantum dot with a defect excited by a laser (green) rolled to present a different orientation.
STM: Conventional STM image of a quantum dot before (right) and after a roll (left).
SMA: Slice through the electronic density of the excited quantum dot before and after the same roll.
DFT (density functional theory): 3-D quantum calculation of a quantum dot defect projected into slices at two orientations for comparison with experiment.