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Journal Articles Physical Review Applied Year : 2018

Emission of coherent propagating magnons by insulator-based spin-orbit torque oscillators

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Abstract

We experimentally demonstrate generation of coherent propagating magnons in ultra-thin magnetic-insulator films by spin-orbit torque induced by dc electric current. We show that this challenging task can be accomplished by utilizing magnetic-insulator films with large perpendicular magnetic anisotropy. We demonstrate simple and flexible spin-orbit torque devices, which can be used as highly efficient nanoscale sources of coherent propagating magnons for insulator-based spintronic applications.
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Dates and versions

cea-01935392 , version 1 (26-11-2018)

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M. Evelt, L. Soumah, A. B. Rinkevich, O. Demokritov, A. Anane, et al.. Emission of coherent propagating magnons by insulator-based spin-orbit torque oscillators. Physical Review Applied, 2018, 10, pp.041002. ⟨10.1103/PhysRevApplied.10.041002⟩. ⟨cea-01935392⟩
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