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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 | Source: | 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. | Document URI: | http://hdl.handle.net/1942/6542 | ISSN: | 0031-8949 | e-ISSN: | 1402-4896 | DOI: | 10.1238/Physica.Topical.115a00415 | ISI #: | 000204272100119 | Category: | A1 | Type: | Journal Contribution |
| Appears in Collections: | Research publications |
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