Niobatos Lamelares
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1. Layered Niobates: Synthesis, characterization, reactivity and luminescenece properties study / Niobatos lamelares: síntese, caracterização, reatividade e estudo das propriedades luminescentes
The study described in this Thesis is related to the synthesis and evaluation of some chemical properties of layered niobates with formulas K4Nb6O17 (hexaniobate), KNb3O8 (triniobate) and K1-xLnxCa2-xNb3O10 (layered perovskites - Ln = La, Eu and x = 0.02; 0.25; 0.50; 0.75 and 1.00). These niobates are constituted of negative layers and an interlayer region f
Publicado em: 2003