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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. doi:10.1016/j.cplett.2004.06.005 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 | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
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Journal or Publication Title: | CHEMICAL PHYSICS LETTERS | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0009-2614 | ||||
Official Date: | 11 July 2004 | ||||
Dates: |
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Volume: | 392 | ||||
Number: | 4-6 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 503-507 | ||||
DOI: | 10.1016/j.cplett.2004.06.005 | ||||
Publication Status: | Published |
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