Spin-Polarized Non-Local Transport in Hybrid Structures with Magnetic and Superconducting Correlations

摘要: In this thesis we theoretically examine spin-polarized non-local transport in two junctions built up by materials with superconducting and magnetic properties. The first consists of a Zeeman-split superconductor placed between normal metals. We find that such systems can generate current even when the injected is unpolarized. effect however mostly geometric take place also switched metal. second system ferromagnetic wires coupled via spin-active interfaces. investigate circumstances which allow for an inverse spin-valve effect. For certain parameter ranges crossover positive negative magnetoresistance possible as function temperature.