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July 15, 2026Nano Letters

Probing Moiré Excitons in MoSe 2 /WSe 2 Heterobilayers by Combined Micro-photoluminescence and Lateral Force Microscopy

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Authors

LCL. CaussouCentre National de la Recherche ScientifiqueHMH. MoutaabbidCentre National de la Recherche ScientifiqueMBM. BernardCentre National de la Recherche Scientifique

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Overview

Randomized trial investigates exciton behavior in heterobilayers, highlighting new confinement strategies.

Key Points

  • This research aims to examine interlayer excitons in MoSe2/WSe2 heterobilayers using innovative microscopy techniques.
  • Combined micro-photoluminescence and lateral force microscopy employed.
  • Analysis focused on moiré lattice in twisted heterostructures.
  • Spatial correlation between moiré geometry and optically active states assessed.
  • Continuous moiré lattice achieved across optical diffraction limit regions.
  • Photoluminescence reduced to narrow-band lines consistent with moiré lattice geometry.
  • Controlled periodic confinement of interlayer excitons revealed, allowing for potential Bose-Hubbard applications.

Cite This Study

Caussou et al. (2026) studied this question.

synapsesocial.com/papers/6a5722f088b21df87547fd74https://doi.org/10.1021/acs.nanolett.6c02116
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Nature of Emergent Moiré Excitations in MoSe <sub>2</sub> /WS <sub>2</sub> Moiré Superlattices2026
  2. 2Excitonic Landscape and Phonon-Mediated Recombination in Moiré-Engineered Twisted WSe <sub>2</sub> Bilayers2026
  3. 3Field-Induced Hybridization of Moiré Excitons in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>MoSe</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mo>/</mml:mo><mml:msub><mml:mrow><mml:mi>WS</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> Heterobilayers2024 · 24 citations
  4. 4Mapping the spatial modulations of excitons in moiré heterostructures2024
  5. 5Moiré-controllable exciton localization and dynamics through spatially-modulated inter- and intralayer excitons in a MoSe2/WS2 heterobilayer2025 · 4 citations