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| Main Authors: | , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.18317 |
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| _version_ | 1866911694077296640 |
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| author | Du, Hugo Le Zullo, Ludovica Cordiez, Justine Salvatore, Robin Marini, Giovanni Hervé, Marie Pierucci, Debora Sasaki, Shunsuke Pawula, Florent Janod, Etienne Bigi, Chiara Zonno, Marta Bertran, François Jaouen, Thomas Fèvre, Patrick Le Calandra, Matteo Cario, Laurent Cren, Tristan Angelo, Marie D |
| author_facet | Du, Hugo Le Zullo, Ludovica Cordiez, Justine Salvatore, Robin Marini, Giovanni Hervé, Marie Pierucci, Debora Sasaki, Shunsuke Pawula, Florent Janod, Etienne Bigi, Chiara Zonno, Marta Bertran, François Jaouen, Thomas Fèvre, Patrick Le Calandra, Matteo Cario, Laurent Cren, Tristan Angelo, Marie D |
| contents | Misfit layer compounds (MLCs) are a versatile platform for exploring the electronic phase diagram of two dimensional (2D) materials beyond the limits of conventional gating techniques. This work demonstrates the precise tunability of electron doping in NbSe2 monolayers through chemical alloying within the rocksalt layer of (LaxPb1xSe)1.14(NbSe2)2 heterostructures. By combining first principles density functional theory (DFT) calculations with angle resolved photoemission spectroscopy (ARPES), we prove that the rocksalt unit acts as an universal electron donor. We show that varying the La Pb ratio results in a rigid Fermi level shift, still preserving the NbSe2 electronic structure. Crucially, photon energy dependent ARPES confirms that the NbSe2 layers nearly maintain their intrinsic 2D character and orbital identity within the three dimensional misfit. This study establishes MLCs as a reliable platform for engineering emergent states in 2D transition metal dichalcogenides through precise stoichiometric control. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_18317 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Tuning the Charge Transfer of Transition Metal Dichalcogenides via Misfit Layer Compounds Du, Hugo Le Zullo, Ludovica Cordiez, Justine Salvatore, Robin Marini, Giovanni Hervé, Marie Pierucci, Debora Sasaki, Shunsuke Pawula, Florent Janod, Etienne Bigi, Chiara Zonno, Marta Bertran, François Jaouen, Thomas Fèvre, Patrick Le Calandra, Matteo Cario, Laurent Cren, Tristan Angelo, Marie D Materials Science Misfit layer compounds (MLCs) are a versatile platform for exploring the electronic phase diagram of two dimensional (2D) materials beyond the limits of conventional gating techniques. This work demonstrates the precise tunability of electron doping in NbSe2 monolayers through chemical alloying within the rocksalt layer of (LaxPb1xSe)1.14(NbSe2)2 heterostructures. By combining first principles density functional theory (DFT) calculations with angle resolved photoemission spectroscopy (ARPES), we prove that the rocksalt unit acts as an universal electron donor. We show that varying the La Pb ratio results in a rigid Fermi level shift, still preserving the NbSe2 electronic structure. Crucially, photon energy dependent ARPES confirms that the NbSe2 layers nearly maintain their intrinsic 2D character and orbital identity within the three dimensional misfit. This study establishes MLCs as a reliable platform for engineering emergent states in 2D transition metal dichalcogenides through precise stoichiometric control. |
| title | Tuning the Charge Transfer of Transition Metal Dichalcogenides via Misfit Layer Compounds |
| topic | Materials Science |
| url | https://arxiv.org/abs/2605.18317 |