Journal
APPLIED PHYSICS LETTERS
Volume 86, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1897436
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The interface-induced gap states (IFIGS) are the fundamental mechanism which determines the band structure lineup at semiconductor interfaces. The valence-band offsets of semiconductor heterostructures are given by the difference of the respective IFIGS branch-point energies and electric-dipole terms which may be omitted for elemental group-IV semiconductors, SiC, as well as the III-V, II-VI, and I-III-VI2 compounds and alloys. The branch-point energy of ZnO is deter-mined as 3.04 ± 0.21 eV from an analysis of experimental valence-band offsets reported for various ZnO heterostructures. © 2005 American Institute of Physics.
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