**2. Materials and methods**

The hydrolysis reaction to obtain zirconium titanate (ZT), ZrTiO4, was performed with the alkoxides zirconium n-propoxide (NPZ) (Dupont), and titanium isoproxide (TPT) Dupont, deionized water in the presence of nitric acid (Merck). The solvent used was *n*-propanol (Merck).
