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4 October 2024 Magnetochiral anomaly of resistance in low symmetry conductors
Yuli B. Lyanda-Geller
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Proceedings Volume PC13119, Spintronics XVII; PC1311905 (2024) https://doi.org/10.1117/12.3028592
Event: Nanoscience + Engineering, 2024, San Diego, California, United States
Abstract
Low symmetry conductors, including 2D topological insulators, topological insulator nanowires and other two and one-dimensional nanostructures with spin-orbit interactions or angular momentum to linear momentum coupling, can exhibit resistance that depends linearly on the magnetic field and is proportional to the electric current. We demonstrate that besides the current, characterized by generation function that relaxes on the time scale of momentum relaxation time, there are also effects associated with non-equilibrium alignment of angular momentum or with spin orientation, when the generation functions relax on much longer time scales of spin or angular momentum relaxation. The emerging currents are generated as a result of spin or angular momentum relaxation or precession in effective fields characterizing spectra of these systems. We demonstrate that these mechanisms can contribute to the enhancement of the value of the effect, allowing to determine best materials for sensors and devices
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Yuli B. Lyanda-Geller "Magnetochiral anomaly of resistance in low symmetry conductors", Proc. SPIE PC13119, Spintronics XVII, PC1311905 (4 October 2024); https://doi.org/10.1117/12.3028592
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KEYWORDS
Resistance
Angular momentum
Dielectrics
Magnetism
Sensors
Magnetic sensors
Nanostructures
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