Properties of tunnel Josephson junctions with a ferromagnetic interlayer
A. S. Vasenko, A. A. Golubov, M. Yu. Kupriyanov, M. Weides
DOI 10.1103/PhysRevB.77.134507 · Physical Review B
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Abstract
We investigate superconductor/insulator/ferromagnet/superconductor tunnel Josephson junctions in the dirty limit using the quasiclassical theory. We formulate a quantitative model describing the oscillations of critical current as a function of thickness of the ferromagnetic layer and use this model to fit recent experimental data. We also calculate quantitatively the density of states (DOS) in this type of junctions and compare DOS oscillations with those of the critical current.
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