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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/6542

Title: Structure determination by EXAFS of Nb-peroxo citrato complexes in aqueous solution-gel systems
Authors: VAN BAEL, Marlies
Arcon, I.
VAN WERDE, Kristof
NELIS, Daniel
MULLENS, Jules
VAN POUCKE, Lucien
Issue Date: 2005
Citation: Physica scripta, T115. p. 415-417
Abstract: A structural study of a niobium-peroxo-citrato complex in an aqueous solution, used as a precursor for the synthesis of ceramic oxides by an aqueous solution-gel route is performed by Nb K-edge EXAFS analysis. The results clearly indicate the formation of niobium-peroxo-citrato dimers via Nb-O-Nb links. Nb(V) ions are seven-coordinated including one Nb=O bond of a niobyl group and two Nb-O bonds from a side-on metal-peroxo group. The results are consistent with a previously proposed structural model based on Raman and UV spectroscopy studies.
URI: http://hdl.handle.net/1942/6542
DOI: 10.1238/Physica.Topical.115a00415
ISI #: 000204272100119
ISSN: 0031-8949
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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