Femtosecond concerted rotation of molecules on a 2D material interface
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2026
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| author | Baumgärtner, Kiana Nozaki, Misa Reuner, Marvin Wind, Nils Oliver Haniuda, Masato Metzger, Christian Heber, Michael Kutnyakhov, Dmytro Pressacco, Federico Wenthaus, Lukas Hara, Keisuke Chordiya, Kalyani Min, Chul-Hee Beye, Martin Reinert, Friedrich Roth, Friedrich Mahatha, Sanjoy Kr Madsen, Anders Wehling, Tim Oliver Niki, Kaori Popova-Gorelova, Daria Rossnagel, Kai Scholz, Markus |
| author_facet | Baumgärtner, Kiana Nozaki, Misa Reuner, Marvin Wind, Nils Oliver Haniuda, Masato Metzger, Christian Heber, Michael Kutnyakhov, Dmytro Pressacco, Federico Wenthaus, Lukas Hara, Keisuke Chordiya, Kalyani Min, Chul-Hee Beye, Martin Reinert, Friedrich Roth, Friedrich Mahatha, Sanjoy Kr Madsen, Anders Wehling, Tim Oliver Niki, Kaori Popova-Gorelova, Daria Rossnagel, Kai Scholz, Markus |
| contents | <p>This dataset was measured using a momentum microscopeby integrating four modalities of time-resolved photoelectron spectroscopy: <span>Interfaces between molecules and 2D materials exhibit energy-driven functionalities<span>, wherein charge transfer directs molecular motion. Unlike equilibrium systems, where molecular assemblies settle into static configurations, continuous energy input can drive transient, collective molecular rearrangements. Here, we reveal ultrafast spectroscopic fingerprints of a collective rotational response of molecules on a 2D material following photoexcitation. Our results suggest that photoinduced charge transfer reshapes the interfacial energy potential, giving rise to macroscopic, unidirectional molecular rotation and the formation of a homochiral molecular arrangement. Using a multiplexed ultrafast photoemission spectroscopy approach, we simultaneously track, electronic states, atomic positions, and orbital wavefunctions with femtosecond and sub-Ångström resolution. Multimodal valence and core electron emission analysis disentangles the intertwined electronic-structural dynamics of the molecule and the 2D material, revealing the dynamic modulation of charge distribution and intermolecular forces that drive collective molecular motion. Our findings open a pathway for designing energy-driven molecular systems with tunable interfacial dynamics, with potential applications in chiral engineering and active matter systems.</span></span></p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17975298 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Femtosecond concerted rotation of molecules on a 2D material interface Baumgärtner, Kiana Nozaki, Misa Reuner, Marvin Wind, Nils Oliver Haniuda, Masato Metzger, Christian Heber, Michael Kutnyakhov, Dmytro Pressacco, Federico Wenthaus, Lukas Hara, Keisuke Chordiya, Kalyani Min, Chul-Hee Beye, Martin Reinert, Friedrich Roth, Friedrich Mahatha, Sanjoy Kr Madsen, Anders Wehling, Tim Oliver Niki, Kaori Popova-Gorelova, Daria Rossnagel, Kai Scholz, Markus photoemission spectroscopy momentum microscopy Condensed matter physics Soft matter physics <p>This dataset was measured using a momentum microscopeby integrating four modalities of time-resolved photoelectron spectroscopy: <span>Interfaces between molecules and 2D materials exhibit energy-driven functionalities<span>, wherein charge transfer directs molecular motion. Unlike equilibrium systems, where molecular assemblies settle into static configurations, continuous energy input can drive transient, collective molecular rearrangements. Here, we reveal ultrafast spectroscopic fingerprints of a collective rotational response of molecules on a 2D material following photoexcitation. Our results suggest that photoinduced charge transfer reshapes the interfacial energy potential, giving rise to macroscopic, unidirectional molecular rotation and the formation of a homochiral molecular arrangement. Using a multiplexed ultrafast photoemission spectroscopy approach, we simultaneously track, electronic states, atomic positions, and orbital wavefunctions with femtosecond and sub-Ångström resolution. Multimodal valence and core electron emission analysis disentangles the intertwined electronic-structural dynamics of the molecule and the 2D material, revealing the dynamic modulation of charge distribution and intermolecular forces that drive collective molecular motion. Our findings open a pathway for designing energy-driven molecular systems with tunable interfacial dynamics, with potential applications in chiral engineering and active matter systems.</span></span></p> |
| title | Femtosecond concerted rotation of molecules on a 2D material interface |
| topic | photoemission spectroscopy momentum microscopy Condensed matter physics Soft matter physics |
| url | https://doi.org/10.5281/zenodo.17975298 |