Abstract:The angular dependence of magnetoresistance ͑MR͒ of distributed NbN-Fe-NbN Josephson-junctions in the out-of-plane and in-plane magnetic field geometries shows a striking anisotropy on the polarity of the current ͑I + / I − ͒ and its direction with respect to the applied field. The origin of this anisotropy is suggested to be the difference in the degree of spin polarization of electrons injected from Fe nanoplaquettes into the superconducting NbN for I + and I − . Such a conclusion is based on the topography … Show more
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