XANES and SAXS study of the structure of Iron-doped Siloxane-Poly (oxyethylene) Nanocomposites - Chiavacci, L A; Dahmouche, K; Santilli, C V; Zea Bermudez, V de; Carlos, L D; Briois, V; Craievich, Aldo Felix (Reunião Anual de Usuários do LNLS, 2003)