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Strontium environment transition in tin silicate glasses by neutron and X-ray diffraction
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Johnson, J. A., Urquidi, J., Holland, Diane, Johnson, C. E. and Appelyard, P. G. (2007) Strontium environment transition in tin silicate glasses by neutron and X-ray diffraction. Journal of Non-Crystalline Solids, Vol.353 (No.44-46). pp. 4084-4092. doi:10.1016/j.jnoncrysol.2007.06.015 ISSN 0022-3093.
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Official URL: http://dx.doi.org/10.1016/j.jnoncrysol.2007.06.015
Abstract
The effect of Sr modifier atoms on the structure of stannosilicate glasses of composition (Sr0)(x)(SnO)(0.5-x)(SiP2)(0.5), with 0 <= x <= 0.15, has been studied using Mossbauer spectroscopy and neutron and X-ray diffraction. The tin is mostly in the Sn2+ state. The Sr-O bond length undergoes a step decrease from (2.640 +/- 0.005) angstrom to (2.585 +/- 0.005) angstrom as x increases from 0.10 to 0.15, indicating a decrease in coordination number from 8 to 7. A Sn-Sn distance of 3.507 +/- 0.005 angstrom is revealed by a first-order difference calculation from the x = 0 sample. This is too short to be consistent with significant edge sharing of [SnO3] trigonal pyramids.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TP Chemical technology T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Journal of Non-Crystalline Solids | ||||
Publisher: | Elsevier Science BV | ||||
ISSN: | 0022-3093 | ||||
Official Date: | 15 November 2007 | ||||
Dates: |
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Volume: | Vol.353 | ||||
Number: | No.44-46 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 4084-4092 | ||||
DOI: | 10.1016/j.jnoncrysol.2007.06.015 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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