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The effect of oxide additions on medium-range order structures in borosilicate glasses

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Parkinson, B. G., Holland, Diane, Smith, Mark E., Howes, A. P. and Scales, C. R. (2007) The effect of oxide additions on medium-range order structures in borosilicate glasses. In: International Workshop on Current Challenges in Liquid and Glass Science, Abingdon, ENGLAND, JAN 10-12, 2007. Published in: Journal of Physics-Condensed Matter, Vol.19 (No.41). Article: 415114. ISSN 0953-8984. doi:10.1088/0953-8984/19/41/415114

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Official URL: http://dx.doi.org/10.1088/0953-8984/19/41/415114

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Abstract

Boron-11 nuclear magnetic resonance (MAS NMR) and Raman spectroscopies have been used to study four families of glasses: xCs(2)O(100-x) ZMW(0 < x < 10), where ZMW represents the borosilicate glass MW to which oxides Z (Al2O3, La2O3 and MgO) are added such that, overall, 1.0 <= R (=[modifier]/[B2O3]) <= 2.5; K (=[SiO2]/[B2O3]) = 3.2. These glasses are related to the system used for the vitrification of high-level nuclear waste. The spectra reveal the presence of reedmergnerite and danburite medium-range order structural units in the glasses. The fraction of danburite units increases with the addition of caesium oxide when Al2O3 or La2O3 are present, and decreases when MgO is present.

Item Type: Conference Item (Paper)
Subjects: Q Science > QC Physics
Divisions: Administration > Vice Chancellor's Office
Faculty of Science > Physics
Journal or Publication Title: Journal of Physics-Condensed Matter
Publisher: IOP Publishing
ISSN: 0953-8984
Official Date: 17 October 2007
Dates:
DateEvent
17 October 2007Published
Volume: Vol.19
Number: No.41
Number of Pages: 12
Page Range: Article: 415114
DOI: 10.1088/0953-8984/19/41/415114
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: British Nuclear Fuels Ltd., Engineering and Physical Sciences Research Council (EPSRC), University of Warwick
Conference Paper Type: Paper
Title of Event: International Workshop on Current Challenges in Liquid and Glass Science
Type of Event: Workshop
Location of Event: Abingdon, ENGLAND
Date(s) of Event: JAN 10-12, 2007

Data sourced from Thomson Reuters' Web of Knowledge

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