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20 August 2020 Electrical spin current generation in ferromagnets
Vivek Amin, Mark Stiles, Paul Haney
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Proceedings Volume 11470, Spintronics XIII; 114701F (2020) https://doi.org/10.1117/12.2569122
Event: SPIE Nanoscience + Engineering, 2020, Online Only
Abstract
In this talk, we explore the variety of ways in which ferromagnets electrically generate spin currents. We present first principles transport calculations giving the strength and magnetization dependence of these various mechanisms in transition metal ferromagnets. We compute full spin current tensors to probe all spin directions and show how each mechanism contributes to the spin currents allowed by symmetry. To help guide the interpretation of experiments, we also present calculations of spin current generation in magnetic heterostructures to quantify their transmission through interfaces and the spin torques they exert. Finally, we discuss experiments that have probed these novel mechanisms of spin current generation. Unlocking the full potential of ferromagnets as spin current sources will help create a powerful tool for spintronic devices such as magnetic memories.
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Vivek Amin, Mark Stiles, and Paul Haney "Electrical spin current generation in ferromagnets", Proc. SPIE 11470, Spintronics XIII, 114701F (20 August 2020); https://doi.org/10.1117/12.2569122
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KEYWORDS
Electrons
Magnetism
Heterojunctions
Spintronics
Transition metals
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