Calculation of InAsBi ternary phase diagram

• Phase diagram of InAsBi ternary system is calculated.
• The calculations were based on the thermodynamic properties of the constituent binary systems.
• The isothermal sections at different temperatures and liquidus projection of the InAsBi ternary system were determined.
• The calculated results predict the domination of solid phases at low temperatures.
• The fusion temperature depends on crystallographic structure of InAsBi and on Bi and In concentrations.

The phase diagrams of the InAsBi system were predicted at different temperatures by using the Calphad method. The calculations were based on the thermodynamic properties of the constituent binary systems. These properties were collected from selected literature. They were then used to calculate the constituent binary phase diagrams (InAs, InBi and AsBi) and the results were compared with the experimentally determined phase diagrams for evaluating the reliability of the binary data before the ternary phase diagrams were calculated. The isothermal sections at different temperatures and liquidus projection of the InAsBi ternary system were calculated. The calculated results predict the domination of solid phases at low temperatures and show also that the fusion temperature depends on crystallographic structure of InAsBi and the chemical Bi and In concentrations. Such results were helpful for successful growth of InAsBi alloys.