Abstract

As part of a programme to review the III–V semiconductor binary and ternary alloy systems, the Al-Ga system has been re-assessed. Although no new experimental data has been produced since earlier assessments, the present work has allowed the inclusion of the latest accepted values for the phase stability expressions for pure aluminium and gallium in the fcc, liquid, and orthorhombic structures as proposed by the SGTE, (Scientifique Group Thermodata Europe). Using the latest version of the binary optimising program, BINGSS, as written by Dr. H.L.Lukas, an assessed phase diagram has been produced. The calculated phase diagram and thermodynamic properties are in excellent agreement with the selected values.

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