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Research Interests:

Quantum coherent materials have become important in magnetic sensors as well as information processing technology. For magnetic sensors, spin-based transport in metals and across tunnel barriers is important because it can increase the signal to noise and reduce the power. These devices have applications in a wide variety of fields, ranging from sensing to imaging. We have developed large (256 element) arrays and systems to make forensic copies of magnetic tapes for data migration and authenticity analysis. In the area of quantum computing, we are developing crystalline tunnel junctions that will improve quantum state visibility and measurements. We are also working to improve the coherence of these devices by developing low-loss dielectrics.