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Erschienen in:
01.11.2008
Structural investigation of xAg2O · (100 − x)[2B2O3 · As2O3] glass system
Erschienen in: Journal of Materials Science | Ausgabe 22/2008
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Abstract
Structural analysis of xAg2O · (100 − x)[2B2O3 · As2O3] glass system, with 0 ≤ x ≤ 10 mol%, was performed by means of FT-IR and Raman spectroscopies. The purpose of this work is to investigate the structural changes that appear in the 2B2O3 · As2O3 glass matrix with the addition and increase of silver ions content. Boroxol rings, pyro-, ortho-, di-, tri-, tetra-, and penta-borate groups, structural units characteristic to As2O3 were found in the structure of the studied glasses. FT-IR spectroscopy measurements show that BO3 units are the main structural units of the glass system. The presence of structural units characteristic to Ag2O were not directly evidenced by FT-IR spectroscopy. Raman analysis leads to similar conclusions as that obtained from FT-IR measurements.