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| VOLUME 88 (2008) | ISSUE 6 | PAGE 431 |
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Resistive transitions in Nb/Cu0.41Ni0.59/Nb trilayers
S. L. Prischepa+*, C. Cirillo*, C. Bell∇, V. N. Kushnir+, J. Aarts∇, C. Attanasio*, M. Yu. Kupriyanov
 +Belarus State University of Informatics and RadioElectronics, 220013 Minsk, Belarus *Laboratorio Regionale SuperMat, CNR-INFM Salerno and Dipartimento di Fisica "E.R.Caianiello", Università degli Studi di Salerno, I-84081 Baronissi (Sa), Italy ∇Kamerlingh Onnes Laboratory, Leiden University, 2300 RA Leiden, The Netherlands Nuclear Physics Institute, Moscow State University, 119992 Moscow, Russia PACS: 74.45.+c, 74.50.+r
Abstract
The superconducting phase transition in Nb/Cu0.41Ni0.59/Nb trilayers, with superconducting (S) Nb and ferromagnetic (F) Cu0.41Ni0.59, has been experimentally studied as function of the F-layer thickness by measuring the temperature dependence of the electrical resistance R(T). It is shown that the shape and the width of the R(T) curves depends on the Cu0.41Ni0.59 thickness, in particular in the regime where π-coupling between the S-layers can be expected. To explain the data we developed a qualitative model which makes the interconnection between the superconducting phase transition and the 0 to π transition in SFS structures more evident. |