Mischungsenthalpie und Dampfdrücke der flüssigen Legierungen Ga-As, In-As, Ga-P und In-P

Katsunori Yamaguchi; Kimio Itagaki; Adolf Mikula

doi:10.3139/ijmr-1998-0049

Mischungsenthalpie und Dampfdrücke der flüssigen Legierungen Ga-As, In-As, Ga-P und In-P

Translated title of the contribution: Free Energy of Mixing and Vapour Pressure of Liquid Ga-As, In-As, Ga-P and In-P Alloys

Katsunori Yamaguchi^*, Kimio Itagaki, Adolf Mikula

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

The change of the Gibbs energy of the reaction between group IIIA and VA elements to form a liquid III-V alloy was derived for the Ga-As, In-As, Ga-P and In-P systems by combining the heat content of the alloy with the heat and entropy of formation of the equiatomic compound at a reference temperature. The obtained data were analysed by using a Redlich-Kister polynomial equation and the optimized parameters were derived for a temperature range between 873 and 1523 K and a composition range between xv = 0 and 0.5 (for the Ga-P system between xp = 0 and 0.1). The partial pressures of these liquid alloys were expressed as a function of alloy composition and temperature. Partial pressure and total pressure-composition-temperature diagrams were constructed.

Translated title of the contribution	Free Energy of Mixing and Vapour Pressure of Liquid Ga-As, In-As, Ga-P and In-P Alloys
Original language	German
Pages (from-to)	279-285
Number of pages	7
Journal	International Journal of Materials Research
Volume	89
Issue number	4
DOIs	https://doi.org/10.3139/ijmr-1998-0049
Publication status	Published - 1998 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Metals and Alloys
Materials Chemistry

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title = "Mischungsenthalpie und Dampfdr{\"u}cke der fl{\"u}ssigen Legierungen Ga-As, In-As, Ga-P und In-P",

abstract = "The change of the Gibbs energy of the reaction between group IIIA and VA elements to form a liquid III-V alloy was derived for the Ga-As, In-As, Ga-P and In-P systems by combining the heat content of the alloy with the heat and entropy of formation of the equiatomic compound at a reference temperature. The obtained data were analysed by using a Redlich-Kister polynomial equation and the optimized parameters were derived for a temperature range between 873 and 1523 K and a composition range between xv = 0 and 0.5 (for the Ga-P system between xp = 0 and 0.1). The partial pressures of these liquid alloys were expressed as a function of alloy composition and temperature. Partial pressure and total pressure-composition-temperature diagrams were constructed.",

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AU - Mikula, Adolf

PY - 1998/1/1

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N2 - The change of the Gibbs energy of the reaction between group IIIA and VA elements to form a liquid III-V alloy was derived for the Ga-As, In-As, Ga-P and In-P systems by combining the heat content of the alloy with the heat and entropy of formation of the equiatomic compound at a reference temperature. The obtained data were analysed by using a Redlich-Kister polynomial equation and the optimized parameters were derived for a temperature range between 873 and 1523 K and a composition range between xv = 0 and 0.5 (for the Ga-P system between xp = 0 and 0.1). The partial pressures of these liquid alloys were expressed as a function of alloy composition and temperature. Partial pressure and total pressure-composition-temperature diagrams were constructed.

AB - The change of the Gibbs energy of the reaction between group IIIA and VA elements to form a liquid III-V alloy was derived for the Ga-As, In-As, Ga-P and In-P systems by combining the heat content of the alloy with the heat and entropy of formation of the equiatomic compound at a reference temperature. The obtained data were analysed by using a Redlich-Kister polynomial equation and the optimized parameters were derived for a temperature range between 873 and 1523 K and a composition range between xv = 0 and 0.5 (for the Ga-P system between xp = 0 and 0.1). The partial pressures of these liquid alloys were expressed as a function of alloy composition and temperature. Partial pressure and total pressure-composition-temperature diagrams were constructed.

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Mischungsenthalpie und Dampfdrücke der flüssigen Legierungen Ga-As, In-As, Ga-P und In-P

Abstract

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