Figure 7: Imaging of light atoms via div
.
From: Atomic electric fields revealed by a quantum mechanical approach to electron picodiffraction

Divergence of the vector field for the momentum transfer for a 25 × 25-pixel-large experimental scan of an SrTiO3 unit cell region. Atom positions emerge as significant sinks of momentum transfer. Arrows show positions of oxygen columns. Scale bar is 100 pm.