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Title: Magnetic tunable confinement of the superconducting condensate in superconductor/ferromagnet hybrids
Authors: Aladyshkin, A. Yu ×
Gillijns, Werner
Silhanek, Alejandro
Moshchalkov, Victor #
Issue Date: Apr-2008
Publisher: Elsevier science bv
Series Title: Physica c-superconductivity and its applications vol:468 issue:7-10 pages:737-740
Conference: Vortex V Conference on Nanoscience and Engineering in Superconductivity location:Rhodos, Greece date:08-14 September 2007
Abstract: The effect of a nonuniform magnetic field induced by a ferromagnet on the magnetoresistance of thin-film superconductor/ferromagnet hybrid structures was investigated experimentally. Two different magnetic textures with out-of-plane magnetization were considered: a plain ferromagnetic film with bubble domains and a regular array of ferromagnetic dots. The stray fields of the structures are able to affect the spatial profile of the superconducting condensate, leading to a modification of the dependence of the critical temperature T-c on an external magnetic field H. We showed how the standard linear T-c(H) dependence with a single maximum at H = 0 can be continuously transformed into so-called reentrant phase boundary with two T-c peaks. We demonstrated that both domain-wall superconductivity and field-induced superconductivity are different manifestations of the magnetic confinement effect in various magnetic patterns. (C) 2008 Elsevier B.V. All rights reserved.
URI: 
ISSN: 0921-4534
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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