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Programmable phonon-assisted resonant energy transfer between moiré cells in charge-tunable MoSe2-WS2 heterobilayers
Parzefall, Philipp, Paulik, Nicolas, Serati de Brito, Caique, Göser, Jonas, Trapp, Julian, Watanabe, Kenji, Taniguchi, Takashi, Erkensten, Daniel, Meneghini, Giuseppe, Gobato, Yara Galvão, Malic, Ermin, Högele, Alexander and Schüller, Christian
(2025)
Programmable phonon-assisted resonant energy transfer between moiré cells in charge-tunable MoSe2-WS2 heterobilayers.
npj 2D Materials and Applications 9, p. 84.
Date of publication of this fulltext: 06 Oct 2025 08:51
Article
DOI to cite this document: 10.5283/epub.77922
Abstract
Moiré superlattices in van-der-Waals heterostructures offer a versatile platform for exploring emergent quantum phenomena. In type-I MoSe2-WS2 moiré superlattices, the large lattice mismatch ensures robustness of the moiré period against twist-angle disorder. The excitonic ground state is formed by moiré-trapped MoSe2 intralayer excitons. However, a key challenge is the controlled transfer of ...
Moiré superlattices in van-der-Waals heterostructures offer a versatile platform for exploring emergent quantum phenomena. In type-I MoSe2-WS2 moiré superlattices, the large lattice mismatch ensures robustness of the moiré period against twist-angle disorder. The excitonic ground state is formed by moiré-trapped MoSe2 intralayer excitons. However, a key challenge is the controlled transfer of excitonic energy across moiré sites. This work investigates gate-controlled phonon-assisted resonant energy transfer (RET) as a means to transfer excitonic energy between moiré cells. By harnessing the interplay between resonantly excited moiré excitonic complexes and single or few phonons, energy transfer pathways can be modulated via the charging state of moiré cells. We discuss two potential RET mechanisms: phonon-assisted resonant tunneling and Förster-like dipole–dipole transfer. Our findings highlight the potential of this approach for excitonic circuits and nanoscale energy transport, paving the way for future applications in quantum technologies.
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Details
| Item type | Article | ||||
| Journal or Publication Title | npj 2D Materials and Applications | ||||
| Publisher: | Springer | ||||
|---|---|---|---|---|---|
| Open Access Type: | DEAL (Springer Gold) | ||||
| Volume: | 9 | ||||
| Page Range: | p. 84 | ||||
| Date | 30 September 2025 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller | ||||
| Projects |
Funded by:
Deutsche Forschungsgemeinschaft (DFG)
(314695032)
Funded by:
Deutsche Forschungsgemeinschaft (DFG)
(422707584)
| ||||
| Identification Number |
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| Keywords | Nanoscience and technology, Physics | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Partially | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-779227 | ||||
| Item ID | 77922 |
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