TITLE

Resonant tunneling via X-point states in AlAs-GaAs-AlAs heterostructures

AUTHOR(S)
Mendez, E. E.; Wang, W. I.; Calleja, E.; Gonçalves da Silva, C. E. T.
PUB. DATE
May 1987
SOURCE
Applied Physics Letters;5/4/1987, Vol. 50 Issue 18, p1263
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have observed resonant tunneling of electrons in AlAs-GaAs-AlAs heterostructures, via a quantum state localized in AlAs. The resonance manifests itself as a distinct feature in the current-voltage characteristics, at 4 K. The confined energy state arises from a potential profile derived from the X point of the Brillouin zone, in which AlAs behaves as a quantum well and GaAs as a barrier.
ACCESSION #
9822861

 

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