Miscibility gaps and spinodal decomposition in III/V quaternary alloys of the type A x B y C1−x−y D
- 1 January 1983
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 54 (1) , 404-409
- https://doi.org/10.1063/1.331719
Abstract
Thermodynamic concepts have been developed for the calculation of solid‐phase miscibility gaps and spinodal decomposition in quaternary alloys of the type AxByC1−x−yD. These concepts have been applied to the analysis of III/V quaternary alloys using the delta‐lattice‐parameter (DLP) solution model. In addition, the effects of coherency strain energy have been included in the calculation. Results are presented for the systems AlxGayIn1−x−yP, AlxGayIn1−x−yAs, InPxAsySb1−x−y, and GaPxAsySb1−x−y. Even though these systems all have miscibility gaps, they are shown to be stable against spinodal decomposition at all temperatures due to the elastic strain energy inherent in coherent decomposition of single crystalline alloys.This publication has 16 references indexed in Scilit:
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