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First-principles calculation of the physical properties of GaAs 1- x Bi x alloys

โœ Scribed by Mbarki, M; Rebey, A


Book ID
121247978
Publisher
Institute of Physics
Year
2011
Tongue
English
Weight
387 KB
Volume
26
Category
Article
ISSN
0268-1242

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## Abstract The large, negative, and asymmetric bandgap bowing in (GaAs)~1โ€“__x__~(Ge~2~)~__x__~ alloys is investigated as function of Ge concentration, via the combination of density functional theory and __GW__~0~ approach. We revealed that the large negative character of the gap bowing is due to