Abstract
Abstract The local environment of metal (arsenic and antimony) atoms in amorphous samples of the ternary system As 2 S 3 Sb 2 S 3 Tl 2 S has been studied by far infrared transmission spectroscopy. Variations in shape and position of observed bands are attributed to changes in the nature of the coordination patterns of the arsenic and antimony atoms. The variations reveal the different influences of the glass forming arsenic sulfide and antimony sulfide and the glass modifying thallium sulfide on the respective host matrices. The results presented here confirm the hypotheses established previously on the basis of studies of this system by EXAFS at the arsenic K-edge and by XAS at the sulfur K- and antimony L III -edges.
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