| 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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Ulstrup, Søren
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2022Visualizing band structure hybridization and superlattice effects in twisted MoS<sub>2</sub>/WS<sub>2</sub> heterobilayerscitations
- 2020Visualizing Orbital Content of Electronic Bands in Anisotropic 2D Semiconducting ReSe 2citations
- 2020Visualizing Orbital Content of Electronic Bands in Anisotropic 2D Semiconducting ReSe2citations
- 2019Imaging microscopic electronic contrasts at the interface of single-layer WS 2 with oxide and boron nitride substratescitations
- 2019Transient hot electron dynamics in single-layer TaS2citations
- 2019Transient hot electron dynamics in single-layer TaS2citations
- 2019Transient hot electron dynamics in single-layer TaS 2citations
- 2019Transient hot electron dynamics in single-layer TaS 2citations
- 2019Tunable electronic structure in gallium chalcogenide van der Waals compoundscitations
- 2018Giant spin-splitting and gap renormalization driven by trions in single-layer WS2/h- BN heterostructurescitations
- 2017Spin and valley control of free carriers in single-layer WS2citations
- 2017Ultrafast band structure control of a two-dimensional heterostructurecitations
- 2017Spin and valley control of free carriers in single-layer WS 2citations
- 2016Ultrafast Band Structure Control of a Two-Dimensional Heterostructurecitations
- 2016Ultrafast band structure control of a two-dimensional heterostructurecitations
- 2015Electronic structure of epitaxial single-layer MoS2citations
- 2015Synthesis of Epitaxial Single-Layer MoS 2 on Au(111)citations
- 2015Synthesis of Epitaxial Single-Layer MoS2 on Au(111)citations
Places of action
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article
Transient hot electron dynamics in single-layer TaS2
Abstract
<p>Using time- and angle-resolved photoemission spectroscopy, we study the response of metallic single-layer TaS2 in the 1H structural modification to the generation of excited carriers by a femtosecond laser pulse. A complex interplay of band structure modifications and electronic temperature increase is observed and analyzed by direct fits of model spectral functions to the two-dimensional (energy and k-dependent) photoemission data. Upon excitation, the partially occupied valence band is found to shift to higher binding energies by up to ≈100meV, accompanied by electronic temperatures exceeding 3000 K. These observations are explained by a combination of temperature-induced shifts of the chemical potential, as well as temperature-induced changes in static screening. Both contributions are evaluated in a semiempirical tight-binding model. The shift resulting from a change in the chemical potential is found to be dominant.</p>