Effects of samarium (III) oxide content on structural investigations of the samarium-vanadate-tellurate glasses and glass ceramics

► The samarium ions produce the deformation of Te-O-Te linkages and the formation of orthovanadate units. ► After heat treatment, two crystalline phases were put into evidence, namely the Te2V2O9 and SmVO4 crystalline phases. ► UV-VIS spectra indicate that the lower oxidation states of the vanadium and samarium ions are present.