Publications

Highlight publications

J. Barrier et al., One-dimensional proximity superconductivity in the quantum Hall regime
Nature 628 (8009), 741-745 (2024)

J. Barrier, L. Peng, C. De Beule, S. Xu, V.I. Fal'ko, K. Watanabe, T. Taniguchi, A.K. Geim, S. Adam, A.I. Berdyugin, Coulomb screening of superconductivity in magic-angle twisted bilayer graphene
Phys. Rev. X 16, 031040 (2026)

D. Domaretskiy et al., Proximity screening greatly enhances electronic quality of graphene
Nature 644 (8077), 646-651 (2025)

 

Invited perspectives and reviews

J. Barrier, R. Krishna Kumar and F.H.L. Koppens, Moiré nano-optoelectronics
The 2D Materials Roadmap, 2D Materials 13, 021501 (2026)

A. Azimi et al., Photonics in flatland: challenges and opportunities for nanophotonics with 2D semiconductors
npj Nanophotonics 2 (1), 44 (2025)

 

Electron-electron interactions

M.M. Al Ezzi et al., Continuous correlated states and dual-flatness in a moiré heterostructure
Preprint: arXiv:2604.13958 (2026)

N. Xin et al., Giant magnetoresistance of Dirac plasma in high-mobility graphene
Nature 616 (7956), 270-274 (2023)

S. Xu et al., Tunable van Hove singularities and correlated states in twisted monolayer-bilayer graphene
Nature Physics 17, 619-626 (2021)

Y. Shi et al., Electronic phase separation in multilayer rhombohedral graphite
Nature 584 (7820), 210-219 (2020)

 

Nanophotonics

R. Bertini et al., Bandwidth-limited critical currents in electrically tunable moiré bands
Nano Letters (2026)

R. Krishna Kumar et al., Terahertz photocurrent probe of quantum geometry and interactions in magic-angle twisted bilayer graphene
Nature Materials 24, 1034-1041 (2025)

G. Li et al., Infrared spectroscopy for diagnosing superlattice minibands in twisted bilayer graphene near the magic angle
Nano Letters 24 (50), 15956-15963 (2024)

 

Low-dimensional systems

J. Barrier et al., Long-range ballistic transport of Brown-Zak fermions in graphene superlattices
Nature Communications 11, 5756 (2020)