TITLE

Andreev reflection at superconducting contacts to GaAs/AlGaAs heterostructures

AUTHOR(S)
Lenssen, K.-M.H.; Matters, M.
PUB. DATE
October 1993
SOURCE
Applied Physics Letters;10/11/1993, Vol. 63 Issue 15, p2079
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Examines the development of superconducting contacts to two-dimensional electron gas in gallium arsenide (GaAs)/aluminum GaAs (AlGaAs) heterostructures for observing Andreev reflection. Use of tin to act as a sieve during annealing; Treatment of GaAs surface to obtain diffusion; Growth of GaAs/AlGaAs heterostructure by molecular beam epitaxy.
ACCESSION #
4240840

 

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