Abstract
Alloys of Au-Ge-Si in a narrow composition range near the eutectic were prepared in amorphous solid form with splat quenching techniques. The glass transition temperature, T g , decreases slightly with increase in gold content of the alloy but the reduced glass temperature, gt g = kT g h v was nearly independent of composition and ~0.006. It was found that the addition of gold to the eutectic alloy increases the resistance of the amorphous alloy to crystallization. This is attributed to a decreasing rate of crystallization of the metastable γ phase with excess of gold. A splat of Au 0.789Ge 0.124Si 0.087 alloy remained amorphous without appreciable crystallization up to 13°K above its T g with a heating rate of 20°K/min.
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