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Phase Diagrams of Semiconducting Compounds (III) Thermodynamic Calculation of the Ternary Melting Diagram of GaAlAs
Author(s) -
Leonhardt A.,
Buchheiser K.,
Kühn G.
Publication year - 1974
Publication title -
kristall und technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0023-4753
DOI - 10.1002/crat.19740090302
Subject(s) - phase diagram , ternary operation , thermodynamics , formalism (music) , quadratic equation , liquid phase , materials science , ternary plot , phase equilibrium , solid solution , phase (matter) , chemistry , physics , mathematics , metallurgy , geometry , computer science , organic chemistry , art , musical , visual arts , programming language
The ternary phase diagram of GaAlAs has been calculated by V IELAND 'S method. The activity coefficients are determined using D ARKEN 'S quadratic formalism for a ternary liquid in equilibrium with a regular solid solution. The agreement of calculation and experimental results is examinated using data from literature and solution measurements and liquid phase epitaxy experiments of this paper.