Impact of magnesium on the structure of aluminoborosilicate glasses: A solid-state NMR and Raman spectroscopy study

Bisbrouck N, Bertani M, Angeli F, Charpentier T, de Ligny D, Delaye JM, Gin S, Micoulaut M (2021)

Publication Type: Journal article

Publication year: 2021

Journal

Journal of the American Ceramic Society Wiley-Blackwell

DOI: 10.1111/jace.17876

Abstract

Seven magnesium-containing aluminoborosilicate glasses, with three to five oxides, have been studied through comprehensive multinuclear solid-state NMR (B-11, Al-27, Si-29, Na-23, O-17, and Mg-25) and Raman spectroscopy. The progressive addition of cations and the substitution of sodium and calcium by magnesium illuminate the impact of magnesium on the glass structure. The proportion of tri-coordinated boron drastically increased with magnesium addition, demonstrating the poor charge-compensating capabilities of magnesium in tetrahedral boron units. Oxygen-17 NMR showed the formation of mixing sites containing both Na and Mg near nonbridging oxygen sites. Furthermore, a high magnesium content appears to result in the formation of two subnetworks (boron and silicon rich) with different polymerization degrees as well as to promote the formation of high-coordination aluminum sites (Al[V] and Al[VI]). Finally, magnesium coordination ranging from 4 to 6, with a mean value shifting from 5 to 6 along the series, suggests that magnesium might endorse an intermediate role in these glasses.

Authors with CRIS profile

Dominique de Ligny Professur für Werkstoffwissenschaften (Glas und Keramik)

Involved external institutions

University of Montpellier / Université Montpellier FR France (FR) École Polytechnique - Université Paris-Saclay FR France (FR) University of Paris 4 - Paris-Sorbonne / Université paris IV Paris-Sorbonne FR France (FR)

How to cite

APA:

Bisbrouck, N., Bertani, M., Angeli, F., Charpentier, T., de Ligny, D., Delaye, J.-M.,... Micoulaut, M. (2021). Impact of magnesium on the structure of aluminoborosilicate glasses: A solid-state NMR and Raman spectroscopy study. Journal of the American Ceramic Society. https://dx.doi.org/10.1111/jace.17876

MLA:

Bisbrouck, Nicolas, et al. "Impact of magnesium on the structure of aluminoborosilicate glasses: A solid-state NMR and Raman spectroscopy study." Journal of the American Ceramic Society (2021).

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