Electronic properties of multinary alloys |
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Authors: | F Aymerich C Verié |
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Institution: | (1) Istituto di Fisica dell' Università, Cagliari, Italia;(2) Gruppo Nazionale di Struttura della Materia del C.N.R., Cagliari, Italia;(3) Laboratoire de Physique du Solide et Energie Solaire C.N.R.S., 06560 Valbonne, France |
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Abstract: | Summary A model version of the coherent-potential approximation (CPA) is outlined to evaluate the fundamental energy gapsΓ
15v
-Γ
1c
′,Γ
15v
-L
1c
,Γ
15v
-X
1c
of a multinary solid solution. A comparison of theoretical results with the transition energy values obtained from direct
interpolation of the corresponding values of ternary alloys is presented for some composition of the solution Al1−x−y
Ga
x
In
y
As at fixed lattice constants (matching the lattice constants of InP and AlAs).
Paper presented at the ?V International Conference on Ternary and Multinary Compounds?, held in Cagliari, September 14–16,
1982. |
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Keywords: | General theories and computational techniques |
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