Abstract
Structural analysis of x Ag 2 O · (100-x)[ B 2 O 3 · As 2 O 3] 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 B 2 O 3 · As 2 O 3 glass matrix with the addition and increase of silver ion content. Boroxol rings, pyro-, ortho-, di-, tri-, tetra- and penta-borate groups, structural units characteristic to As 2 O 3 were found in the structure of the studied glasses. FT-IR spectroscopy measurements show that BO 3 units are the main structural units of the glass system. The presence of structural units characteristic to Ag 2 O were not directly evidenced by FT-IR spectroscopy. The Raman analysis leads to similar conclusions as the FT-IR measurements.
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