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Title: Critical currents and flux-creep in low T(c) Pb/Ge multilayers
Authors: Temst, Kristiaan ×
Baert, M
Rosseel, E
Moshchalkov, Victor
Van Haesendonck, Christian
Bruynserade, Y
Metlushko, VV
Guntherodt, G #
Issue Date: Feb-1994
Publisher: Elsevier science bv
Series Title: Physica B vol:194 pages:2393-2394
Abstract: Magnetization studies of critical currents J(c)(H(perpendicular-to)T) and of the flux creep rate dlnM/dlnt have been carried out on low T(c) Pb/Ge multilayers, which can be used to model the superconducting properties of the layered high T(c) cuprates. By taking a proper Ge separator thickness a crossover between two different pinning regimes can be observed. This transition leads to an anomalous dependence of critical current and the flux creep rate on perpendicular magnetic field H(perpendicular-to) in Pb/Ge multilayers, while a single Pb film demonstrates a monotonous suppression of J. by H(perpendicular-to). These magnetization data fully confirm the anomalous behaviour of J(c)(H(perpendicular-to) previously found in Pb/Ge multilayers from measurements of transport critical current.
ISSN: 0921-4526
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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