Abstract
We report on the dielectric properties of the chalcogenide ternary GexSb40−xSe60 glasses with composition x = 12, 25, 30 at%. By combining the Swanepoel method with a formalism based on the Hilliard theory of the surface tension, the linear dielectric constants and the third-order optical susceptibility are predicted. The glasses are synthesized from elements with 5N purity (Ge, Sb, Se) by the conventional melt-quenching method. The mixture was sealed into quartz ampoules after evacuation down to a pressure of 10−3 Pa, in a rotary furnace for 24 h at 950 °C.
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