Ries, A.Simoes, A. Z.Cilense, M.Zaghete, M. A.Varela, José Arana [UNESP]2014-05-202014-05-202003-03-01Materials Characterization. New York: Elsevier B.V., v. 50, n. 2-3, p. 217-221, 2003.1044-5803http://hdl.handle.net/11449/37139Pure barium strontium titanate powder, with Ba/Sr ratio of 80/20 was prepared by the polymeric precursor method (also called Pechini process). The powder was obtained after a calcination at 800 degreesC for 8 h and characterized by XRD, IR, BET and SEM. The requirements to avoid barium carbonate as a secondary phase are presented and discussed in detail. (C) 2003 Elsevier B.V. All rights reserved.217-221engBSTpolymeric precursorPechinimicrostructureBETArtigo10.1016/S1044-5803(03)00095-0WOS:000186249900021Acesso restrito9128353103083394