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Revista Facultad de Ingeniería Universidad de Antioquia
versão impressa ISSN 0120-6230versão On-line ISSN 2422-2844
Resumo
MOSQUERA LOZANO, Adolfo Alfredo; ARANA VARELA, José e RODRIGUEZ PAEZ, Jorge Enrique. Synthesis of SnO2 nanoparticles and their use in the fabrication of varistors. Rev.fac.ing.univ. Antioquia [online]. 2007, n.39, pp.33-41. ISSN 0120-6230.
SnO2 nanoparticles doped with TiO2, CoO, Nb2O3 and Al2O3 were obtained in this work using the methods of coprecipitation and polymeric precursor. X Ray Diffraction (XRD), and Scanning Electron Microscopy (SEM) were used to characterize the ceramic powders obtained. Their synterization capacity was determined by dilatometric studies. Sinterized samples of the system on study were also characterized electrically and microstructurally to determine their suitability as varistors.
Palavras-chave : nanoparticles; SnO2; ceramic powders; varistors.