Glass-forming region and structure of oxyhalide tellurite glasses containing LiX(X=F and Br) and Li2O

Abstract

The glass-forming regions in the ternary systems LiX(X = F and Br)-Li2O-TeO2 were established in the present study. For X = Br the glass-forming region was found to be widened up to about 75 mol % LiBr on the LiBr rich side compared to the system containing LiCl which was studied previously, while the region for X = F was restricted to the Li2O side, and no glass was formed in the binary LiF-TeO2 system. These results were interpreted based on the glass structure which was mainly deduced from the IR measurement.