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A XANES study at the Na and Al K-edge of soda-lime aluminosilicate glasses and crystals

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Published under licence by IOP Publishing Ltd
, , Citation D R Neuville et al 2005 Phys. Scr. 2005 316 DOI 10.1238/Physica.Topical.115a00316

1402-4896/2005/T115/316

Abstract

X-ray absorption near edge structure (XANES) spectra, at the Na and Al K-edge, have been measured for Ca-Na aluminosilicate glasses. This allows a determination of the local cationic sites corresponding to 6–8 oxygen neighbours in a distorted first shell for Na and to 4 oxygen neighbours for Al. The Al XANES spectra show a strong dependence on the medium range organisation of the polymeric network.

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10.1238/Physica.Topical.115a00316