Low-Temperature Transformations of Protonic Forms of Layered Complex Oxides HLnTiO₄ and H₂Ln₂Ti₃O₁₀ (Ln = La, Nd)

Figure 8

X-ray diffraction patterns: (a) H₂Nd₂Ti₃O₁₀*𝑦H₂O; (b) (VO)_xH_2−2xNd₂Ti₃O₁₀*𝑦H₂O.