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Solid State Ionics, Vol.96, No.1-2, 119-122, 1997
X-Ray-Diffraction Studies on AgI-Ag2O-V2O5 Glasses
Results of X-ray diffraction studies on glasses in the AgI-Ag2O-V2O5, system are presented. In these glasses, the vanadium atom adopted five-fold coordination of oxygen atoms more frequently than four-fold and six-fold and the V-O distances lay between 1.76 and 1.79 Angstrom. The VOx polyhedra in the glasses shared corners, the V-V distances in the glasses lay between 3.30-3.41 Angstrom. Short and long Ag-O interactions were observed. An Ag-I interaction between 2.829-2.876 Angstrom was observed, which is characteristic of all AgI based glasses. The I-I distance decreased as the iodine content increased, having a value close to that in alpha-AgI at a high AgI content and approaching the value of beta-AgI with decreasing AgI content.