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The effect of composition on the structure of sodium borophosphate glasses

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The effect of composition on the structure of sodium borophosphate glasses. / Carta, Daniela; Qiu, Dong; Guerry, Paul et al.
In: Journal of Non-Crystalline Solids, Vol. 354, No. 31, 01.08.2008, p. 3671-3677.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Carta, D, Qiu, D, Guerry, P, Ahmed, I, Neel, EAA, Knowles, JC, Smith, ME & Newport, RJ 2008, 'The effect of composition on the structure of sodium borophosphate glasses', Journal of Non-Crystalline Solids, vol. 354, no. 31, pp. 3671-3677. https://doi.org/10.1016/j.jnoncrysol.2008.04.009

APA

Carta, D., Qiu, D., Guerry, P., Ahmed, I., Neel, E. A. A., Knowles, J. C., Smith, M. E., & Newport, R. J. (2008). The effect of composition on the structure of sodium borophosphate glasses. Journal of Non-Crystalline Solids, 354(31), 3671-3677. https://doi.org/10.1016/j.jnoncrysol.2008.04.009

Vancouver

Carta D, Qiu D, Guerry P, Ahmed I, Neel EAA, Knowles JC et al. The effect of composition on the structure of sodium borophosphate glasses. Journal of Non-Crystalline Solids. 2008 Aug 1;354(31):3671-3677. doi: 10.1016/j.jnoncrysol.2008.04.009

Author

Carta, Daniela ; Qiu, Dong ; Guerry, Paul et al. / The effect of composition on the structure of sodium borophosphate glasses. In: Journal of Non-Crystalline Solids. 2008 ; Vol. 354, No. 31. pp. 3671-3677.

Bibtex

@article{02c9979386524236ab9b494ffc6c1bf9,
title = "The effect of composition on the structure of sodium borophosphate glasses",
abstract = "Glasses in the system 40(P2O5)-x(B2O3)-(60-x)(Na2O) (10 <= x <= 30 mol%) have been prepared by the melt-quenching technique. Thermal properties were studied using differential thermal analysis and the relationship between composition and thermal stability was obtained. Structural characterization was achieved by a combination of experimental data (infrared and Raman spectroscopy, B-11 and P-31 solid state NMR). In particular, variations in the phosphate network structure upon addition of B2O3 and Na2O were investigated. Analysis of the data indicates that with increasing B2O3 content and decreasing Na2O, the glass network shows increasing levels of cross-linking between phosphate and borate units. Evidence of direct B-O-P bonds was observed. In the compositional range investigated, borate groups contain boron almost exclusively in four-fold coordination. (C) 2008 Elsevier B.V. All rights reserved.",
keywords = "phosphates",
author = "Daniela Carta and Dong Qiu and Paul Guerry and Ifty Ahmed and Neel, {Ensanya A. Abou} and Knowles, {Jonathan C.} and Smith, {Mark E.} and Newport, {Robert J.}",
year = "2008",
month = aug,
day = "1",
doi = "10.1016/j.jnoncrysol.2008.04.009",
language = "English",
volume = "354",
pages = "3671--3677",
journal = "Journal of Non-Crystalline Solids",
publisher = "Elsevier",
number = "31",

}

RIS

TY - JOUR

T1 - The effect of composition on the structure of sodium borophosphate glasses

AU - Carta, Daniela

AU - Qiu, Dong

AU - Guerry, Paul

AU - Ahmed, Ifty

AU - Neel, Ensanya A. Abou

AU - Knowles, Jonathan C.

AU - Smith, Mark E.

AU - Newport, Robert J.

PY - 2008/8/1

Y1 - 2008/8/1

N2 - Glasses in the system 40(P2O5)-x(B2O3)-(60-x)(Na2O) (10 <= x <= 30 mol%) have been prepared by the melt-quenching technique. Thermal properties were studied using differential thermal analysis and the relationship between composition and thermal stability was obtained. Structural characterization was achieved by a combination of experimental data (infrared and Raman spectroscopy, B-11 and P-31 solid state NMR). In particular, variations in the phosphate network structure upon addition of B2O3 and Na2O were investigated. Analysis of the data indicates that with increasing B2O3 content and decreasing Na2O, the glass network shows increasing levels of cross-linking between phosphate and borate units. Evidence of direct B-O-P bonds was observed. In the compositional range investigated, borate groups contain boron almost exclusively in four-fold coordination. (C) 2008 Elsevier B.V. All rights reserved.

AB - Glasses in the system 40(P2O5)-x(B2O3)-(60-x)(Na2O) (10 <= x <= 30 mol%) have been prepared by the melt-quenching technique. Thermal properties were studied using differential thermal analysis and the relationship between composition and thermal stability was obtained. Structural characterization was achieved by a combination of experimental data (infrared and Raman spectroscopy, B-11 and P-31 solid state NMR). In particular, variations in the phosphate network structure upon addition of B2O3 and Na2O were investigated. Analysis of the data indicates that with increasing B2O3 content and decreasing Na2O, the glass network shows increasing levels of cross-linking between phosphate and borate units. Evidence of direct B-O-P bonds was observed. In the compositional range investigated, borate groups contain boron almost exclusively in four-fold coordination. (C) 2008 Elsevier B.V. All rights reserved.

KW - phosphates

U2 - 10.1016/j.jnoncrysol.2008.04.009

DO - 10.1016/j.jnoncrysol.2008.04.009

M3 - Journal article

VL - 354

SP - 3671

EP - 3677

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - 31

ER -