Nano Science and Technology Institute
Nanotech 2003 Vol. 2
Nanotech 2003 Vol. 2
Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 2
Chapter 5: Quantum Effects, Quantum Devices and Spintronics

Critical Current Oscillations versus Pureness of Superconductor-ferromagnet Nanoscopic Multilayers

Authors:S.E. Shafranjuk and J. Ketterson
Affilation:Northwestern University, US
Pages:174 - 177
Keywords:ferromagnet superconductor multilayer
Abstract:In our report we study how the oscillations and reentrant behaviour of critical parameters depends on the elastic scattering of electrons on atomic impurities in S/F multilayers. The expressions for the electric supercurrent and for the critical temperature were obtained from solutions of quasiclassical Eilenberger equations using the continuous boundary conditions. The obtained equations are used in this work to study the influence of elastic electron impurity scattering to the nonmonotonic behavior of the critical parameters. The obtained results indicate that both the and dependencies are strongly affected by elastic scattering in the electrodes. In marginal dirty and clean cases, the obtained results coincide with the known characteristics, while in the newly studied intermediate case one finds a number of peculiar features, which are probably observed in experiments.
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