Radial Distribution Studies of Glassy GexS1−x Alloys

Abstract

X‐ray diffraction radial distribution studies of glassy Ge_xS_1−x alloys, with x=0.33 and 0.42, have been performed. The interatomic distances in the x=0.33 sample, 2.2 and 3.55 Å, are consistent with those in the covalently bonded crystalline GeS₂. The distances in the x=0.42 sample, 2.3 and 3.65 Å, are also consistent with covalent bonding, and show no relationship to those found in crystalline GeS. No evidence of a previously proposed octahedral coordination of Ge can be found. A tentative explanation for the existence of two separated glass‐forming regions in this system is put forth.