Otro
Synthesis by the polymeric precursor method and characterization of undoped and Sn, Cr and V-doped ZrTiO4
Registro en:
Journal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 397, n. 1-2, p. 255-259, 2005.
0925-8388
10.1016/j.jallcom.2004.11.070
WOS:000230067900046
Autor
de Lucena, P. R.
Pessoa-Netob, O. D.
dos Santos, IMG
Souza, A. G.
Longo, Elson
Varela, José Arana
Resumen
In this work, zirconium titanate doped with 0. 1, 0.2, and 0.4 mole% of tin, chromium and vanadium was synthesized by the polymeric precursors method and characterized by thermal analysis (TG/DTA), X-ray diffraction (XRD), nitrogen adsorption and scanning electronic microscopy (SEM). The powder presented two mass losses attributed to the exit of water and to the pyrolysis of the organic material. The surface area reduction observed from 500 degrees C indicates the beginning of the sintering process. All the dopants led to changes in the lattice parameters and to the decrease of both crystallite size and particle size. (c) 2005 Elsevier B.V. All rights reserved.