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Quantitative measurement of Q(3) species in silicate and borosilicate glasses using Raman spectroscopy

Parkinson, B. G. and Holland, D. and Smith, Mark E. and Larson, C. and Doerr, J. and Affatigato, M. and Feller, S. A. and Howes, A. P. and Scales, C. R. (2008) Quantitative measurement of Q(3) species in silicate and borosilicate glasses using Raman spectroscopy. Journal of Non-Crystalline Solids, 354 (17). pp. 1936-1942.

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Abstract

Raman spectroscopy has been used to measure the fraction of tetrahedral silicate units connected at three corners into the network (Q(3)) in binary lithium silicate glasses and also in the more complex borosilicate glasses used for waste immobilization. Agreement within experimental error was obtained with Si-29 MAS NMR measurements of the same samples. Raman provides an alternative method of structural determination for silicon-containing glasses with a high content of paramagnetic species where NMR loses resolution. Analysis was performed on borosilicate glasses containing up to 11.98 mol% Fe2O3 and the Q(3) values obtained by Raman spectroscopy agree within error with the published Si-29 NMR results from borosilicate glasses containing the equivalent quantity of Al2O3. (C) 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Journal or Publication Title: Journal of Non-Crystalline Solids
Uncontrolled Keywords: glasses, nuclear and chemical wastes, Raman spectroscopy, alkali silicates, borosilicates, silicates, NMR, MAS NMR and NQR, structure
Subjects: UNSPECIFIED
Departments: VC's Office
ID Code: 52847
Deposited By: ep_importer_pure
Deposited On: 29 Feb 2012 09:06
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:10
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/52847

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