Title: Superconductor/ferromagnet current source
Authors: Golubovic, DS ×
Morelle, Mathieu
Moshchalkov, Victor #
Issue Date: Feb-2005
Series Title: Journal of Applied Physics vol:97 issue:3
Conference: date:Katholieke Univ Leuven, Nanoscale Supercond & Magnetism Grp, Lab Solid State Phys & Magnetism, B-3001 Louvain, Belgium
Abstract: We demonstrate that a multiply connected superconducting structure in combination with a perpendicularly magnetized magnetic dot can be used as a current source for superconducting elements and as an external phase shifter. The concept has been tested by measuring the superconducting T-c(B) phase boundary and critical current of an Al superconducting loop placed on the top of a micron-sized Co/Pd magnetic dot. A pronounced asymmetry in the voltage - current characteristic of the loop with respect to the polarity of the external magnetic field, as well as a shift of the T-c(B) phase boundary along the field axis indicate the presence of a persistent current in the loop. (C) 2005 American Institute of Physics.
ISSN: 0021-8979
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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