Abstract
The bonding and chemical state of sulfur in binary As‐S glasses were investigated by determining the SKβ spectra with a vacuum 2‐crystal X‐ray spectrometer equipped with Ge(ll1) crystal analyzers. For glasses with sulfur contents <60 at.%, the spectra were similar to those of realgar (crystalline As4S4) and orpiment (crystalline As2S3); the profile of the SKβ spectrum did not change when half the sulfur was replaced by selenium. For sulfur contents > 60 at.%, the spectra became progressively similar to that of elemental sulfur with increasing sulfur content. It was found that S‐S bonding occurs in the high‐sulfur glasses.
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