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100 1 _ |a Guimarães, Filipe S. M.
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245 _ _ |a Spin-orbit torques and their associated effective fields from gigahertz to terahertz
260 _ _ |a London
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520 _ _ |a Terahertz spintronics offers the prospect of devices which are both faster and more energy-efficient. A promising route to achieve this goal is to exploit current-induced spin-orbit torques. However, the high-frequency properties of these quantities remain unexplored both experimentally and theoretically, within a realistic material-specific approach. Here we investigate the dynamical transverse components of the torques and uncover contributions longitudinal to the magnetic moment capable of changing its magnitude. We show that, while the torques can be drastically altered in the dynamical regime, the effective magnetic fields that accompany them present a frequency-independent behaviour, ranging from the static limit up to the terahertz domain — including the ferromagnetic resonance of the system. The outcomes of this work point to new ways to control magnetic units in next-generation spintronic devices.
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536 _ _ |a Theoretical investigation of spin and charge dynamics in nanostructures (jias15_20161101)
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|f Theoretical investigation of spin and charge dynamics in nanostructures
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700 1 _ |a Bouaziz, Juba
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700 1 _ |a dos Santos Dias, Manuel
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700 1 _ |a Lounis, Samir
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773 _ _ |a 10.1038/s42005-020-0282-x
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|t Communications Physics
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|x 2399-3650
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