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Model calculation of binding energies for multihole copper centers in germanium

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
56
Issue
1
Identifiers
DOI: 10.1016/0038-1098(85)90529-0

Abstract

Abstract Multihole binding energies of copper centers in germanium are calculated within a pseudoatom variational scheme in which a Heine-Abarenkov-type model potential is used as the impurity potential. Screening the hole-hole interaction by a position-dependent dielectric function is found to be crucial in understanding the observed multihole binding energies.

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