Fig. 6: Microstructure of NbN/InAlN superlattice.
From: NbN-based Josephson junctions grown by plasma-assisted molecular beam epitaxy

a STEM image of NbN/In0.05Al0.95N superlattice. b High-resolution TEM image of the two periods of the superlattice with corresponding FFT from NbN (A) layer (c) and In0.05Al0.95N (B) layer (d). All images are taken along the \([11\overline{2}0]\) zone axis.