Title: Zero-dimensional states in submicron double-barrier heterostructures laterally constricted by hydrogen plasma isolation
Authors: Vanhove, M
Pereira, R
Deraedt, W
Borghs, Gustaaf
Jonckheere, R
Sala, C
Magnus, W
Schoenmaker, W
Van Rossum, Marc #
Issue Date: Jul-1992
Publisher: Amer inst physics
Series Title: Journal of Applied Physics vol:72 issue:1 pages:158-160
Abstract: The lateral dimensions of resonant tunneling AlGaAs-GaAs double barrier heterostructures have been restricted by hydrogen plasma exposure. Ohmic contacts to the submicron diodes have been made by solid phase epitaxial growth of Ge on GaAs. The current-voltage characteristics show a fine structure splitting that is inversely proportional to the lateral size of the diode. The results are interpreted as resonant tunneling through zero-dimensional states in the quantum box confined by the AlGaAs barriers and a harmonic lateral confining potential.
ISSN: 0021-8979
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
# (joint) last author

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