Title: Local suppression of Josephson currents in niobium/two-dimensional electron gas/niobium structures by an injection current
Authors: Neurohr, K
Schapers, T
Malindretos, J
Lachenmann, S
Braginski, AI
Luth, H
Behet, M
Borghs, Gustaaf
Golubov, AA #
Issue Date: May-1999
Publisher: American physical soc
Series Title: Physical Review B vol:59 issue:17 pages:11197-11200
Abstract: We investigated niobium-AlGaSb/InAs-niobium hybrid structures using a high mobility two-dimensional electron gas as a weak link. The Josephson current observed in this structure was suppressed by an injection current driven into the weak link via an additional normal lead. Using a four-terminal configuration the supercurrent is suppressed all over the weak link. In a three-terminal configuration it was possible to suppress the supercurrent locally. [S0163-1829(99)06217-7].
ISSN: 2469-9950
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
# (joint) last author

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