Numerical Studies on Superconducting Proximity Effects and of Superconductor/Ferromagnet Spin Valve Transport Phenomena
These researchers are continuing and enhancing their research program in the areas of superconducting proximity effects, spin valves, and switching phenomena in superconductor-ferromagnet (S/F) heterostructures. This includes studies of the transport properties of spin valve F/F/S F/N/F/S heterostructures and Josephson S/F/N/F/S ferromagnetic junctions. The group is studying the behavior of high-quality multilayer nanostructures comprised of superconducting and ferromagnetic materials, which will be fabricated at UC Irvine. Their objective is to predict the quantitative behavior of the fabricated structures and predict the optimal configurations. They will use numerical methods they have developed to solve the exact microscopic equations for such systems. These methods have been shown to yield detailed agreement with experiment for equilibrium properties and the researchers are now extending them, via transfer matrix methods, to transport. Switching phenomena is the main focus; in particular, they will study spin valve configurations and their possible applications to energy efficient memory storage and also ferromagnetic Josephson junction structures. The computations require the parallel computing capabilities available at MSI.
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