Antimony and silicon environments in antimony silicate glasses
Abstract
Antimony silicate glasses, of general formula xSb{sub 2}O{sub 3}.(1-x)SiO{sub 2} (0.1{<=}x{<=}0.78), have been prepared by melt-quenching and their structures studied using {sup 29}Si MAS NMR spectroscopy, {sup 121}Sb Moessbauer spectroscopy and Raman spectroscopy. Oxidation during melting gives rise to Sb{sup 5+} in concentrations, which increase linearly with x to give a value of {approx}10% when x=0.78. {sup 121}Sb Moessbauer spectra show Moessbauer shifts and quadrupole splittings consistent with Sb{sup 3+} in a [:SbO{sub 3}] trigonal pyramid, similar to that in crystalline Sb{sub 2}O{sub 3}. A broad band in the Raman spectrum at {approx}410 cm{sup -1} is due to the vibrations of such a unit. The dependence of the silicon Q{sup n} speciation on x can be interpreted by the formation of Sb-O-Sb links possibly to form rings of 4 [:SbO{sub 3}] units such as are found in valentinite. - Graphical abstract: Antimony silicate glasses have been shown to contain Sb{sup 3+} in [:SbO{sub 3}] trigonal pyramid units using {sup 121}Sb Moessbauer spectroscopy and Raman spectroscopy. {sup 29}Si magic-angle-spinning NMR has shown silicon Q{sup n} speciation which can be interpreted as formation of rings of 4 [:SbO{sub 3}] units such as are found in valentinite.
- Authors:
-
- Department of Physics, University of Warwick, Coventry CV4 7AL (United Kingdom)
- Department of Physics, University of Liverpool, Liverpool L69 3BX (United Kingdom)
- Publication Date:
- OSTI Identifier:
- 21432461
- Resource Type:
- Journal Article
- Journal Name:
- Journal of Solid State Chemistry
- Additional Journal Information:
- Journal Volume: 183; Journal Issue: 9; Other Information: DOI: 10.1016/j.jssc.2010.06.014; PII: S0022-4596(10)00265-3; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Journal ID: ISSN 0022-4596
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; ANTIMONY IONS; ANTIMONY OXIDES; GLASS; MELTING; MOESSBAUER EFFECT; NMR SPECTRA; OXIDATION; QUENCHING; RAMAN SPECTRA; RAMAN SPECTROSCOPY; SILICATES; SILICON; SILICON OXIDES; ANTIMONY COMPOUNDS; CHALCOGENIDES; CHARGED PARTICLES; CHEMICAL REACTIONS; ELEMENTS; IONS; LASER SPECTROSCOPY; OXIDES; OXYGEN COMPOUNDS; PHASE TRANSFORMATIONS; SEMIMETALS; SILICON COMPOUNDS; SPECTRA; SPECTROSCOPY
Citation Formats
Mee, M, Davies, B C, Orman, R G, Thomas, M F, and Holland, D. Antimony and silicon environments in antimony silicate glasses. United States: N. p., 2010.
Web. doi:10.1016/j.jssc.2010.06.014.
Mee, M, Davies, B C, Orman, R G, Thomas, M F, & Holland, D. Antimony and silicon environments in antimony silicate glasses. United States. https://doi.org/10.1016/j.jssc.2010.06.014
Mee, M, Davies, B C, Orman, R G, Thomas, M F, and Holland, D. 2010.
"Antimony and silicon environments in antimony silicate glasses". United States. https://doi.org/10.1016/j.jssc.2010.06.014.
@article{osti_21432461,
title = {Antimony and silicon environments in antimony silicate glasses},
author = {Mee, M and Davies, B C and Orman, R G and Thomas, M F and Holland, D},
abstractNote = {Antimony silicate glasses, of general formula xSb{sub 2}O{sub 3}.(1-x)SiO{sub 2} (0.1{<=}x{<=}0.78), have been prepared by melt-quenching and their structures studied using {sup 29}Si MAS NMR spectroscopy, {sup 121}Sb Moessbauer spectroscopy and Raman spectroscopy. Oxidation during melting gives rise to Sb{sup 5+} in concentrations, which increase linearly with x to give a value of {approx}10% when x=0.78. {sup 121}Sb Moessbauer spectra show Moessbauer shifts and quadrupole splittings consistent with Sb{sup 3+} in a [:SbO{sub 3}] trigonal pyramid, similar to that in crystalline Sb{sub 2}O{sub 3}. A broad band in the Raman spectrum at {approx}410 cm{sup -1} is due to the vibrations of such a unit. The dependence of the silicon Q{sup n} speciation on x can be interpreted by the formation of Sb-O-Sb links possibly to form rings of 4 [:SbO{sub 3}] units such as are found in valentinite. - Graphical abstract: Antimony silicate glasses have been shown to contain Sb{sup 3+} in [:SbO{sub 3}] trigonal pyramid units using {sup 121}Sb Moessbauer spectroscopy and Raman spectroscopy. {sup 29}Si magic-angle-spinning NMR has shown silicon Q{sup n} speciation which can be interpreted as formation of rings of 4 [:SbO{sub 3}] units such as are found in valentinite.},
doi = {10.1016/j.jssc.2010.06.014},
url = {https://www.osti.gov/biblio/21432461},
journal = {Journal of Solid State Chemistry},
issn = {0022-4596},
number = 9,
volume = 183,
place = {United States},
year = {Wed Sep 15 00:00:00 EDT 2010},
month = {Wed Sep 15 00:00:00 EDT 2010}
}