Article (Scientific journals)
Magnetically controlled superconducting weak links
Van de Vondel, J.; Silhanek, Alejandro; Raes, B. et al.
2009In Applied Physics Letters, 95 (3)
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Keywords :
flux-line lattice; Josephson effect; superconducting junction devices; superconducting thin films
Abstract :
[en] We have designed and characterized a magnetic template which can be switched between chains of parallel and antiparallel field distribution by applying an in-plane magnetic field. The parallel field profile creates highly mobile vortex channels in a superconducting film deposited on top, reproducing the behavior of a weak link as evidenced by the presence of Shapiro steps in the current-voltage characteristics under rf excitation. The Josephson coupling can be fully suppressed by changing the field distribution to the antiparallel state. As a result, a reversible ON/OFF switch for magnetically induced weak links has been demonstrated.
Disciplines :
Physics
Author, co-author :
Van de Vondel, J.
Silhanek, Alejandro  ;  Katholieke Universiteit Leuven - KUL
Raes, B.
Gillijns, W.
Kramer, R. B. G.
Moshchalkov, V. V.
Sautner, J.
Metlushko, V.
Language :
English
Title :
Magnetically controlled superconducting weak links
Publication date :
2009
Journal title :
Applied Physics Letters
ISSN :
0003-6951
eISSN :
1077-3118
Publisher :
American Institute of Physics, Melville, United States - New York
Volume :
95
Issue :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 November 2011

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