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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
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 |
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| Journal or Publication Title: | Journal of Physics-Condensed Matter | ||||
| Publisher: | IOP Publishing | ||||
| ISSN: | 0953-8984 | ||||
| Official Date: | 17 October 2007 | ||||
| Dates: |
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| Volume: | Vol.19 | ||||
| Number: | No.41 | ||||
| Number of Pages: | 12 | ||||
| Page Range: | Article: 415114 | ||||
| Identifier: | 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 |
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