| People | Locations | Statistics |
|---|---|---|
| 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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Jugovac, Matteo
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023Giant and Tunable Out-of-Plane Spin Polarization of Topological Antimonenecitations
- 2023Enhancing electron correlation at a 3D ferromagnetic surfacecitations
- 2023Observation of termination-dependent topological connectivity in a magnetic Weyl kagome-latticecitations
- 2023Observation of Termination-Dependent Topological Connectivity in a Magnetic Weyl Kagome Latticecitations
- 2023Observation of termination-dependent topological connectivity in a magnetic Weyl Kagome latticecitations
- 2022All-optical spin injection in silicon investigated by element-specific time-resolved Kerr effectcitations
- 2022Enhancing electron correlation at a 3d ferromagnetic surfacecitations
- 2021Room-temperature on-spin-switching and tuning in a porphyrin-based multifunctional interface
- 2021Room‐Temperature On‐Spin‐Switching and Tuning in a Porphyrin‐Based Multifunctional Interfacecitations
- 2020Operando atomic-scale study of graphene CVD growth at steps of polycrystalline nickelcitations
- 2020Morphology and electronic structure of graphene supported by metallic thin films
- 2019Combined orbital tomography study of multi-configurational molecular adsorbate systemscitations
- 2019Combined orbital tomography study of multi-configurational molecular adsorbate systems
- 2019Topotactic Phase Transition Driving Memristive Behaviorcitations
- 2018Graphene on nickel (100) micrograins: Modulating the interface interaction by extended moiré superstructurescitations
Places of action
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article
All-optical spin injection in silicon investigated by element-specific time-resolved Kerr effect
Abstract
<jats:p>Understanding how a spin current flows across metal-semiconductor interfaces at pico- and femtosecond time scales is of paramount importance for ultrafast spintronics, data processing, and storage applications. However, the possibility to directly access the propagation of spin currents, within such time scales, has been hampered by the simultaneous lack of both ultrafast element-specific magnetic sensitive probes and tailored well-built and characterized metal-semiconductor interfaces. Here, by means of a novel free-electron laser-based element-sensitive ultrafast time-resolved Kerr spectroscopy, we reveal different magnetodynamics for the Ni <jats:inline-formula><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow class="MJX-TeXAtom-ORD"><mml:msub><mml:mtext>M</mml:mtext><mml:mrow class="MJX-TeXAtom-ORD"><mml:mn>2</mml:mn><mml:mo>,</mml:mo><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math></jats:inline-formula> and Si <jats:inline-formula><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow class="MJX-TeXAtom-ORD"><mml:msub><mml:mtext>L</mml:mtext><mml:mrow class="MJX-TeXAtom-ORD"><mml:mn>2</mml:mn><mml:mo>,</mml:mo><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math></jats:inline-formula> absorption edges. These results are assumed to be the experimental evidence of photoinduced spin currents propagating at a speed of <jats:inline-formula><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow class="MJX-TeXAtom-ORD"><mml:mo>∼<!-- ∼ --></mml:mo></mml:mrow><mml:mn>0.2</mml:mn><mml:mspace width="thinmathspace" /><mml:mspace width="thinmathspace" /><mml:mtext>nm/fs</mml:mtext></mml:math></jats:inline-formula> across the Ni/Si interface.</jats:p>