Tetrahedral semiconductors: Constancy of the midgap energies with respect to the vacuum level

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Abstract

It is shown that the midgap levels EB used to line up band structures at semiconductor heterostructures maintain a constant energy with respect to the experimental vacuum level. This implies that the electron affinity rule for the determination of band offsets is closely related to recent band lineup theories by Flores and Tejedor, Tersoff, and Cardona and Christensen.

Original languageEnglish (US)
Pages (from-to)6305-6307
Number of pages3
JournalPhysical Review B
Volume38
Issue number9
DOIs
StatePublished - Jan 1 1988

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ASJC Scopus subject areas

  • Condensed Matter Physics

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