Anomalous proximity effect in spin-valve superconductor/ferromagnetic metal/ferromagnetic metal structures
T. Yu. Karminskaya, A. A. Golubov, M. Yu. Kupriyanov
DOI 10.1103/PhysRevB.84.064531 · Physical Review B
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Abstract
We investigate superconductor (S) and ferromagnetic metal (F) SFF structures with noncollinear magnetizations of F films with arbitrary FF interface transparency. We show the existence of phase slips at both the SF and FF interfaces, which manifest themselves in the anomalous dependence of the spin-triplet correlations on the misorientation angle between the magnetization vectors in the F layers. We discuss how these effects can be observed in experiments with Josephson π junctions.
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