Home > Research > Publications & Outputs > A high-energy X-ray diffraction, P-31 and B-11 ...

Research

Links

Text available via DOI:

Keywords

View graph of relations

A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses

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

Published

Standard

A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses. / Qiu, Dong; Guerry, Paul; Ahmed, Ifty et al.
In: Materials Chemistry and Physics, Vol. 111, No. 2-3, 01.10.2008, p. 455-462.

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

Harvard

Qiu, D, Guerry, P, Ahmed, I, Pickup, DM, Carta, D, Knowles, JC, Smith, ME & Newport, RJ 2008, 'A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses', Materials Chemistry and Physics, vol. 111, no. 2-3, pp. 455-462. https://doi.org/10.1016/j.matchemphys.2008.04.045

APA

Qiu, D., Guerry, P., Ahmed, I., Pickup, D. M., Carta, D., Knowles, J. C., Smith, M. E., & Newport, R. J. (2008). A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses. Materials Chemistry and Physics, 111(2-3), 455-462. https://doi.org/10.1016/j.matchemphys.2008.04.045

Vancouver

Qiu D, Guerry P, Ahmed I, Pickup DM, Carta D, Knowles JC et al. A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses. Materials Chemistry and Physics. 2008 Oct 1;111(2-3):455-462. doi: 10.1016/j.matchemphys.2008.04.045

Author

Qiu, Dong ; Guerry, Paul ; Ahmed, Ifty et al. / A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses. In: Materials Chemistry and Physics. 2008 ; Vol. 111, No. 2-3. pp. 455-462.

Bibtex

@article{7d22fc9fa2fb444b8ae0bf7269b656aa,
title = "A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses",
abstract = "The structure of aged melt-quenched sodium borophosphate glasses of composition (P2O5)(40)(B2O3)(x)(Na2O)(60-x) (with x in the range 10-40) has been studied by high-energy X-ray diffraction (HEXRD), P-31 and B-11 magic angle spinning (MAS) NMR. Similar to the fresh samples, both P-O-P and P-O-B linkages are found to be present in these glasses. All three techniques show that the cross-linking between borate and phosphate units increases with boron oxide content. Distinctively upon aging, the glass is found to hydrolyze causing the network to degrade. At the same time, crystalline phases are now also observed. XRD and DTA show that the samples have a higher tendency towards crystallization with increasing boron oxide content upon exposed to moisture. P-31 and B-11 MAS NMR results are in agreement with these findings. TGA data show that samples with higher boron oxide content take up more moisture upon aging, suggesting that crystallization may be associated with glass hydrolysis. HEXRD results also suggest that sodium ions are preferentially associated with borate units with increasing boron oxide content. (C) 2008 Elsevier B.V. All rights reserved.",
keywords = "sodium borophosphate glass, high-energy X-ray diffraction, solid-state NMR",
author = "Dong Qiu and Paul Guerry and Ifty Ahmed and Pickup, {Dave M.} and Daniela Carta and Knowles, {Jonathan C.} and Smith, {Mark E.} and Newport, {Robert J.}",
year = "2008",
month = oct,
day = "1",
doi = "10.1016/j.matchemphys.2008.04.045",
language = "English",
volume = "111",
pages = "455--462",
journal = "Materials Chemistry and Physics",
publisher = "Elsevier BV",
number = "2-3",

}

RIS

TY - JOUR

T1 - A high-energy X-ray diffraction, P-31 and B-11 solid-state NMR study of the structure of aged sodium borophosphate glasses

AU - Qiu, Dong

AU - Guerry, Paul

AU - Ahmed, Ifty

AU - Pickup, Dave M.

AU - Carta, Daniela

AU - Knowles, Jonathan C.

AU - Smith, Mark E.

AU - Newport, Robert J.

PY - 2008/10/1

Y1 - 2008/10/1

N2 - The structure of aged melt-quenched sodium borophosphate glasses of composition (P2O5)(40)(B2O3)(x)(Na2O)(60-x) (with x in the range 10-40) has been studied by high-energy X-ray diffraction (HEXRD), P-31 and B-11 magic angle spinning (MAS) NMR. Similar to the fresh samples, both P-O-P and P-O-B linkages are found to be present in these glasses. All three techniques show that the cross-linking between borate and phosphate units increases with boron oxide content. Distinctively upon aging, the glass is found to hydrolyze causing the network to degrade. At the same time, crystalline phases are now also observed. XRD and DTA show that the samples have a higher tendency towards crystallization with increasing boron oxide content upon exposed to moisture. P-31 and B-11 MAS NMR results are in agreement with these findings. TGA data show that samples with higher boron oxide content take up more moisture upon aging, suggesting that crystallization may be associated with glass hydrolysis. HEXRD results also suggest that sodium ions are preferentially associated with borate units with increasing boron oxide content. (C) 2008 Elsevier B.V. All rights reserved.

AB - The structure of aged melt-quenched sodium borophosphate glasses of composition (P2O5)(40)(B2O3)(x)(Na2O)(60-x) (with x in the range 10-40) has been studied by high-energy X-ray diffraction (HEXRD), P-31 and B-11 magic angle spinning (MAS) NMR. Similar to the fresh samples, both P-O-P and P-O-B linkages are found to be present in these glasses. All three techniques show that the cross-linking between borate and phosphate units increases with boron oxide content. Distinctively upon aging, the glass is found to hydrolyze causing the network to degrade. At the same time, crystalline phases are now also observed. XRD and DTA show that the samples have a higher tendency towards crystallization with increasing boron oxide content upon exposed to moisture. P-31 and B-11 MAS NMR results are in agreement with these findings. TGA data show that samples with higher boron oxide content take up more moisture upon aging, suggesting that crystallization may be associated with glass hydrolysis. HEXRD results also suggest that sodium ions are preferentially associated with borate units with increasing boron oxide content. (C) 2008 Elsevier B.V. All rights reserved.

KW - sodium borophosphate glass, high-energy X-ray diffraction, solid-state NMR

U2 - 10.1016/j.matchemphys.2008.04.045

DO - 10.1016/j.matchemphys.2008.04.045

M3 - Journal article

VL - 111

SP - 455

EP - 462

JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

IS - 2-3

ER -