| People | Locations | Statistics |
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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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Jaffrès, Henri
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Interfacial spin-orbitronic effects controlled with different oxidation levels at the Co|Al interface
- 2024Atomic‐Layer Controlled Transition from Inverse Rashba–Edelstein Effect to Inverse Spin Hall Effect in 2D PtSe<sub>2</sub> Probed by THz Spintronic Emissioncitations
- 2024Large chiral orbital texture and orbital Edelstein effect in Co/Al heterostructurecitations
- 2024Controlling the helicity of light by electrical magnetization switchingcitations
- 2023Large Interfacial Rashba Interaction Generating Strong Spin–Orbit Torques in Atomically Thin Metallic Heterostructurescitations
- 2023Emission of coherent THz magnons in an antiferromagnetic insulator triggered by ultrafast spin–phonon interactionscitations
- 2021Spin injection efficiency at metallic interfaces probed by THz emission spectroscopycitations
- 2020Ultrafast spin-currents and charge conversion at 3d-5d interfaces probed by time-domain terahertz spectroscopycitations
- 2018Toward efficient spin/charge conversion using topological insulator surface (Conference Presentation)
- 2016Spin Hall effect in AuW alloys
- 2013Transition from spin accumulation into interface states to spin injection in silicon and germanium conduction bandscitations
- 2013Transition from spin accumulation into interface states to spin injection in silicon and germanium conduction bandscitations
Places of action
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article
Spin injection efficiency at metallic interfaces probed by THz emission spectroscopy
Abstract
Terahertz (THz) spin-to-charge conversion has become an increasingly important process for THz pulse generation and as a tool to probe ultrafast spin interactions at magnetic interfaces. However, its relation to traditional, steady state, ferromagnetic resonance techniques is poorly understood. Here we investigate nanometric trilayers of Co/X/Pt (X=Ti, Au or Au0:85W0:15) as a function of the 'X' layer thickness, where THz emission generated by the inverse spin Hall effect is compared to the Gilbert damping of the ferromagnetic resonance. Through the insertion of the 'X' layer we show that the ultrafast spin current injected in the non-magnetic layer defines a direct spin conductance, whereas the Gilbert damping leads to an effective spin mixing-conductance of the trilayer. Importantly, we show that these two parameters are connected to each other and that spinmemory losses can be modeled via an effective Hamiltonian with Rashba fields. This work highlights that magneto-circuits concepts can be successfully extended to ultrafast spintronic devices, as well as enhancing the understanding of spin-to-charge conversion processes through the complementarity between ultrafast THz spectroscopy and steady state techniques.