TITLE

Investigations of the quantum photovoltaic effect in InAs-GaSb semiconductor superlattices

AUTHOR(S)
Bleuse, J.; Voisin, P.; Voos, M.; Munekata, H.; Chang, L. L.; Esaki, L.
PUB. DATE
February 1988
SOURCE
Applied Physics Letters;2/8/1988, Vol. 52 Issue 6, p462
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the observation in InAs-GaSb semiconductor superlattices of a photovoltaic effect that has a quantum origin, as it arises from the spatial separation of the electron and hole ground-state wave functions in these type II superlattices. The results are consistent with the simplest theoretical predictions, except for the voltage sign, which evidences a depopulation of the surface layer.
ACCESSION #
9825915

 

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