Fig. 3: STEM images of a highly ordered section of a BSS-PB crystal along [100].
From: Structure of the active pharmaceutical ingredient bismuth subsalicylate

a Annular dark field (ADF) scanning transmission electron microscopy (STEM) image. b Integrated differential phase contrast (iDPC) STEM image. Lattice-averaged maps with p2 symmetry imposed and fast Fourier transforms (scale bar is equal to 0.1 Å−1) are shown as insets for each image.