Fig. 3
From: Vapour-phase-transport rearrangement technique for the synthesis of new zeolites

Comparison of different projections of IWW and IPC-18. Cs-corrected STEM-ADF images of IWW (a, b) and IPC-18 (c, d) zeolites: a, c—top [100] view of the layers, which remain intact during the VPT rearrangement (crystallographic models of the same layer are superimposed for clarity), b, d—side [010] view showing the decrease in interlayer distance caused by the transformation of D4Rs into S4Rs