| 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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Mangeney, Juliette
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 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
- 2023Spin-momentum locking and ultrafast spin-charge conversion in ultrathin epitaxial Bi 1−x Sb x topological insulatorcitations
- 2023Atomic-layer controlled THz Spintronic emission from Epitaxially grown Two dimensional PtSe$_2$/ferromagnet heterostructures
- 2023Layer‐controlled nonlinear terahertz valleytronics in two‐dimensional semimetal and semiconductor PtSe 2citations
- 2023Spin‐Momentum Locking and Ultrafast Spin‐Charge Conversion in Ultrathin Epitaxial Bi 1 − x Sb x Topological Insulatorcitations
- 2022Spintronic THz emitters based on transition metals and semi-metals/Pt multilayerscitations
- 2022Ultrafast buildup dynamics of terahertz pulse generation in mode-locked quantum cascade laserscitations
- 2021Spin injection efficiency at metallic interfaces probed by THz emission spectroscopycitations
- 2020Ultrafast spin-currents and charge conversion at 3 d -5 d interfaces probed by time-domain terahertz spectroscopycitations
- 2018High permittivity processed SrTiO3 for metamaterials applications at terahertz frequenciescitations
- 2012Carrier localization in InN/InGaN multiple-quantum wells with high In-contentcitations
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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.