Dissipative current in SIFS Josephson junctions

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Vasenko, A.S. and Kawabata, S. and Golubov, A.A. and Kupriyanov, M. Yu. and Hekking, F.W.J. (2010) Dissipative current in SIFS Josephson junctions. Physica C: Superconductivity, 470 (19). pp. 863-866. ISSN 0921-4534

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Abstract:We investigate superconductor/insulator/ferromagnet/superconductor (SIFS) tunnel Josephson junctions in the dirty limit, using the quasiclassical theory. We consider the case of a strong tunnel barrier such that the left S layer and the right FS bilayer are decoupled. We calculate quantitatively the density of states (DOS) in the FS bilayer for arbitrary length of the ferromagnetic layer, using a self-consistent numerical method. We compare these results with a known analytical DOS approximation, which is valid when the ferromagnetic layer is long enough. Finally we calculate quantitatively the current–voltage characteristics of a SIFS junction
Item Type:Article
Copyright:© 2010 Elsevier B.V.
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/74009
Official URL:http://dx.doi.org/10.1016/j.physc.2010.02.081
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