Navegando por Autor "Nunes, M. S. J."
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Artigo An investigation of metal oxides which are photoluminiscent at room temperature(Elsevier, 2004-01) Leite, Edson Roberto; Pontes, Fenelon M.; Lee, Eduardo J. H.; Aguiar, Rosiana; Silva, Elson Longo da; Pontes, D. S. L.; Nunes, M. S. J.; Pizani, Paulo Sérgio; Lanciotti Júnior, Franchesco; Boschi, Tania M.; Varela, José A.; Paskocimas, Carlos Alberto; Pinheiro, Carlos Davidson; Taft, Carlton AnthonyAmorphous thin films, based on different network formers, were processed by a soft chemical process called the polymeric precursor method. The resultant amorphous metal oxides, displayed intense photoluminescence (PL) at room temperature. Heat treatment increases the PL intensity of these materials. Theoretical ab initio calculations are correlated with the observed experimental trends