Figure 1

X-ray diffractograms for the SiTiNb-A (A) and SiTiNb-B (B) materials thermally treated in the range of 473–1273 K. The peaks marked with the letters A and M in the graph of samples heated to 1273 K indicate the indexed phases of TiO₂ Anatase (A) and monoclinic Nb₂O₅ (M).