Fig. 2: As2S3 anisotropic crystal structure, a comprehensive characterization.
From: Exploring van der Waals materials with high anisotropy: geometrical and optical approaches

XRD patterns in reciprocal space along a c*-b*, b c*-a*, and c b*-a* reciprocal planes. The electronic bandstructure cuts along d a-axis, e b-axis, and f c-axis. Orange and blue curves present conduction and valence bands, respectively