Figure 5: XRD measurements.
From: Non-syngas direct steam reforming of methanol to hydrogen and carbon dioxide at low temperature

In-situ XRD profiles of (a) CuGaOx and (b) CuZnGaOx (CuGa2O4 tetragonal spinel (purple triangles); CuO (orange triangles); Cu (red circles); ZnGa2O4 cubic spinel (green squares)).