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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Muñoz, M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2019Deterministic and time resolved thermo-magnetic switching in a nickel nanowirecitations
- 2017Influence of the thermal contact resistance in current-induced domain wall depinning
- 2016Two-dimensional chiral asymmetry in unidirectional magnetic anisotropy structurescitations
- 2016Generation of coherent spin-wave modes in yttrium iron garnet microdiscs by spin–orbit torquecitations
- 2016Thermal- and photoinduced spin-state switching in an unprecedented three-dimensional bimetallic coordination polymer.citations
- 2016Direct observation of dynamic modes excited in a magnetic insulator by pure spin currentcitations
- 2016Mossbauer investigation of the photoexcited spin states and crystal structure analysis of the spin-crossover dinuclear complex [{Fe(bt)(NCS)(2)}(2)bpym] (bt=2,2'-bithiazoline, bpym=2,2'-bipyrimidine).citations
- 2014Measurement of the intrinsic damping constant in individual nanodisks of Y3Fe5O12 and Y3Fe5O12|Ptcitations
- 2014Full Control of the Spin-Wave Damping in a Magnetic Insulator Using Spin-Orbit Torquecitations
- 2004Preparation and characterization of (CuInSe2)1-x(CoSe)x alloys in the composition range 0 x 2/3.citations
Places of action
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article
Generation of coherent spin-wave modes in yttrium iron garnet microdiscs by spin–orbit torque
Abstract
<jats:title>Abstract</jats:title><jats:p>In recent years, spin–orbit effects have been widely used to produce and detect spin currents in spintronic devices. The peculiar symmetry of the spin Hall effect allows creation of a spin accumulation at the interface between a metal with strong spin–orbit interaction and a magnetic insulator, which can lead to a net pure spin current flowing from the metal into the insulator. This spin current applies a torque on the magnetization, which can eventually be driven into steady motion. Tailoring this experiment on extended films has proven to be elusive, probably due to mode competition. This requires the reduction of both the thickness and lateral size to reach full damping compensation. Here we show clear evidence of coherent spin–orbit torque-induced auto-oscillation in micron-sized yttrium iron garnet discs of thickness 20 nm. Our results emphasize the key role of quasi-degenerate spin-wave modes, which increase the threshold current.</jats:p>