The origins of energy gap bowings in substitutional semiconductor alloys
- 27 April 1972
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 5 (8) , 821-827
- https://doi.org/10.1088/0022-3719/5/8/008
Abstract
Using electronegativity differences the interactions within the primitive cell of a typical substitutional alloy of two binary compounds are estimated. It is shown that the important interactions for energy gap bowing are those between intersubstitutional atoms. From this and a virtual crystal approach, trends in the bowings are explained. Bowings in some substitutional alloys of practical interest are estimated.Keywords
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