Title: Asymmetric flux pinning in laterally nanostructured ferromagnetic/superconducting bilayers
Authors: Lange, Martin ×
Van Bael, Margriet
Van Look, Lieve
Temst, Kristiaan
Swerts, Johan
Guntherodt, G
Moshchalkov, Victor
Bruynseraede, Yvan #
Issue Date: Mar-2001
Publisher: E d p sciences
Series Title: Europhysics Letters vol:53 issue:5 pages:646-652
Abstract: We investigated the pinning of flux lines in a superconducting lm by a regular array of magnetic antidots. The sample consists of a Co/Pt multilayer with perpendicular magnetic anisotropy in which a regular pattern of submicron holes is introduced and which is covered by a type-II superconducting Pb film. The resulting ferromagnetic/superconducting heterostructure shows a pronounced asymmetric magnetization curve with respect to the field polarity. This asymmetry clearly demonstrates that the magnetic contribution dominates the pinning potential imposed by the magnetic antidots on the superconducting film.
ISSN: 0295-5075
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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