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Title: Flux phases in superconducting antidot arrays: Influence of the antidot size
Authors: Rosseel, E ×
Metlushko, V
Van Bael, Margriet
Baert, M
Puig, T
Temst, Kristiaan
Moshchalkov, Victor
Bruynseraede, Yvan #
Issue Date: 1996
Publisher: Kluwer/Plenum Publishers
Series Title: Czechoslovak Journal of Physics vol:46 pages:885-886
Abstract: We have studied the magnetization (M(H)) and critical currents (I-c(H)) of superconducting a-W0.67Ge0.33 films with a square array of submicron holes (antidots) having a fixed periodicity of 1 mu m for different antidot sizes. Pronounced anomalies are present in M(H) and I-c(H) when the external magnetic field is equal to a matching field. For small antidot sizes the nucleation of Abrikosov vortices at interstitial positions occurs, leading to a drastic reduction of the critical currents. For large antidots, a crossover to a wire network regime is observed.
URI: 
ISSN: 0011-4626
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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