Coupling of the phase diagram and thermochemistry in the Ga-Sb and In-Sb systems

Terry Aselage*, Kow-Ming Chang, Tim Anderson

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

The calculation of phase diagrams for binary and multicomponent Group III-V semiconductor systems has drawn a great deal of attention recently. A simple formalism for the calculation of such diagrams which includes a consistent representation of standard state properties is presented. The ability of a number of solution models to represent the liquidus and thermochemical data for the In-Sb and Ga-Sb systems is evaluated. It is found that the non-random two-liquid theory (NRTL) best represents the asymmetric and temperature-dependent properties of the In-Sb system, but little advantage is gained in the use of the NRTL equation over the simple solution model for the Ga-Sb system. The problems encountered when calculating thermochemical properties from liquidus fits and performing analogous procedures are also considered.

Original languageEnglish
Pages (from-to)227-256
Number of pages30
JournalCalphad
Volume9
Issue number3
DOIs
StatePublished - 1 Jan 1985

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