STRUNGARU, Mara, ELLIS, Matthew OA, RUTA, Sergiu, EVANS, Richard FL, CHANTRELL, Roy W and CHUBYKALO-FESENKO, Oksana (2024). Route to minimally dissipative switching in magnets via terahertz phonon pumping. Physical Review B, 109 (22): 224412. [Article]
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Ruta-RouteToMinimallyDissipativeSwitching(VoR).pdf - Published Version
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Ruta-RouteToMinimallyDissipativeSwitching(VoR).pdf - Published Version
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Abstract
Ultrafast switching of magnetic materials has been shown to be predominantly thermally driven, but excess heating limits the energy efficiency of this process. By employing atomistic spin-lattice dynamics simulations, we show that efficient coherent magnetization switching of an insulating magnet can be triggered by a THz excitation of phonons. We find that switching is driven by excitation near the
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