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Aluminium XAS and NMR Spectroscopic Studies of Calcium Aluminosilicate Glasses
Author(s) -
Landron C.,
Cote B.,
Massiot D.,
Coutures J. P.,
Flank A. M.,
Flank A. M.
Publication year - 1992
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221710102
Subject(s) - aluminosilicate , aluminium , x ray absorption spectroscopy , silicon , calcium , nmr spectra database , materials science , mineralogy , absorption spectroscopy , chemistry , spectral line , analytical chemistry (journal) , inorganic chemistry , metallurgy , organic chemistry , optics , physics , catalysis , astronomy
The local geometric and electronic order around aluminium atoms in calcium aluminosilicate glasses is comparatively investigated by X‐ray absorption (XAS) and by nuclear magnetic resonance (MAS NMR). The Al absorption spectra contain features which can be decomposed into two subpeaks, the relative contribution of the subpeaks appears to be related to the silicon/aluminium ratio in the glass. MAS NMR data analysis of the same samples clearly shows differences in site structures. It is of great interest to compare the results of both techniques in order to describe a reliable picture of Al surroundings related to a number of physical properties of calcium aluminosilicate glasses.