July 1, 1982Open Access
Electronic structure of the π-bonded chain model and the nonbuckled antiferromagnetic insulator model for the Si(111) surface
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Abstract
The electronic structure of the Si(111) surface is investigated with the pseudopotential method and the local density functional formalism. The π-bonded chain model proposed by Pandey is found to be more stable than the nonbuckled antiferromagnetic insulating surface by 0.15 eV/ (surface atom).