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Title: High magnetic field matching effects in NbN films induced by template grown dense ferromagnetic nanowires arrays
Authors: Hallet, X ×
Matefi-Tempfli, M
Michotte, S
Piraux, L
Vanacken, Johan
Moshchalkov, Victor
Matefi-Tempfli, S #
Issue Date: Dec-2009
Publisher: Amer inst physics
Series Title: Applied physics letters vol:95 issue:25 pages:1-3
Abstract: Dense arrays of ordered ferromagnetic nanowires have been used to create periodic magnetic pinning centers in thin superconducting NbN films. The nanowires were electrodeposited in a highly ordered porous alumina membrane and the thin NbN film was deposited on top of the perpendicularly oriented magnetic nanowires. Matching effects have been observed up to 2.5 T (11th matching field) and are maintained at low temperature. An appreciable enhancement of the superconducting properties is observed. At low fields, a hysteretic behavior in the magnetoresistance is found, directly related to the magnetization processes of arrays of interacting single domain ferromagnetic nanowires. (C) 2009 American Institute of Physics. [doi:10.1063/1.3276557]
URI: 
ISSN: 0003-6951
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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