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Domain-wall guided nucleation of superconductivity in hybrid ferromagnet-superconductor-ferromagnet layered structures | | W Gillijns
; A Yu Aladyshkin
; M Lange
; M J Van Bael
; V V Moshchalkov
; | | Date: |
25 Nov 2005 | | Journal: | Phys Rev Lett, 95 (22), 227003 | | Abstract: | Domain-wall superconductivity is studied in a superconducting Nb film placed between two ferromagnetic Co/Pd multilayers with perpendicular magnetization. The parameters of top and bottom ferromagnetic films are chosen to provide different coercive fields, so that the magnetic domain structure of the ferromagnets can be selectively controlled. From the dependence of the critical temperature Tc on the applied magnetic field H, we have found evidence for domain-wall superconductivity in this three-layered F/S/F structure for different magnetic domain patterns. The phase boundary, calculated numerically for this structure from the linearized Ginzburg-Landau equation, is in good agreement with the experimental data. | | Source: | PubMed, pmid16384256 | | Services: | Forum | Review | Favorites | |
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