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New insights into medium-range order around titanium sol-gel derived silica through isotope in difference neutron diffraction and reverse Monte Carlo modelling
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UNSPECIFIED. (2004) New insights into medium-range order around titanium sol-gel derived silica through isotope in difference neutron diffraction and reverse Monte Carlo modelling. CHEMICAL PHYSICS LETTERS, 392 (4-6). pp. 503-507. ISSN 0009-2614
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Official URL: http://dx.doi.org/10.1016/j.cplett.2004.06.005
Abstract
Neutron diffraction with isotopic titanium substitution allows the nature of the cation sites to be determined beyond nearest-neighbor distances for the first time in a sol-gel derived titania-silica glass. Reverse Monte Carlo (RMC) modelling of the results shows unequivocally that titanium substitutes for silicon within the homogeneous glass network, existing mostly as TiO4, with a minority TiO6 component. The fundamental scientific interest, and wide-ranging technologically significant properties of titania additions to silica, demand an understanding of the precise nature of the titanium site. (C) 2004 Elsevier B.V. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
| Journal or Publication Title: | CHEMICAL PHYSICS LETTERS |
| Publisher: | ELSEVIER SCIENCE BV |
| ISSN: | 0009-2614 |
| Date: | 11 July 2004 |
| Volume: | 392 |
| Number: | 4-6 |
| Number of Pages: | 5 |
| Page Range: | pp. 503-507 |
| Identification Number: | 10.1016/j.cplett.2004.06.005 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/8226 |
Data sourced from Thomson Reuters' Web of Knowledge
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