Surface states of ternary semiconductor alloys: Effect of alloy fluctuations in one-dimensional models with realistic atoms

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Abstract
Calculations of the local electronic surface densities of states (DOS) of semi-infinite one-dimensional chain models for ternary semiconductor alloys are presented to illustrate the effects of alloy fluctuations on semiconductor surface states. The atoms are modeled with a basis set of s and p levels which produces the correct level mixing and energy-band dispersion.