A microscopic perspective on moiré materials

Balents, L., Dean, C. R., Efetov, D. K. & Young, A. F. Superconductivity and strong correlations in moiré flat bands. Nat. Phys. 16, 725–733 (2020).

Article  CAS  Google Scholar 

Andrei, E. Y. et al. The marvels of moiré materials. Nat. Rev. Mater. 6, 201–206 (2021).

Article  CAS  Google Scholar 

Mak, K. F. & Shan, J. Semiconductor moiré materials. Nat. Nanotechnol. 17, 686–695 (2022).

Article  CAS  PubMed  Google Scholar 

Cao, Y. et al. Correlated insulator behaviour at half-filling in magic-angle graphene superlattices. Nature 556, 80–84 (2018). This article reports the observation of correlated electronic states (correlated insulators) in a moiré material (magic-angle twisted bilayer graphene).

Article  CAS  PubMed  Google Scholar 

Cao, Y. et al. Unconventional superconductivity in magic-angle graphene superlattices. Nature 556, 43–50 (2018). This article reports the observation of a superconducting phase in a moiré material (magic-angle twisted bilayer graphene).

Article  CAS  PubMed  Google Scholar 

Yankowitz, M. et al. Tuning superconductivity in twisted bilayer graphene. Science 363, 1059–1064 (2019).

Article  CAS  PubMed  Google Scholar 

Lu, X. et al. Superconductors, orbital magnets and correlated states in magic-angle bilayer graphene. Nature 574, 653–657 (2019).

Article  CAS  PubMed  Google Scholar 

Polshyn, H. et al. Electrical switching of magnetic order in an orbital Chern insulator. Nature 588, 66–70 (2020).

Article  CAS  PubMed  Google Scholar 

Chen, S. et al. Electrically tunable correlated and topological states in twisted monolayer–bilayer graphene. Nat. Phys. 17, 374–380 (2021).

Article  CAS  Google Scholar 

Polshyn, H. et al. Topological charge density waves at half-integer filling of a moiré superlattice. Nat. Phys. 18, 42–47 (2022).

Article  CAS  Google Scholar 

Liu, X. et al. Tunable spin-polarized correlated states in twisted double bilayer graphene. Nature 583, 221–225 (2020).

Article  CAS  PubMed  Google Scholar 

Cao, Y. et al. Tunable correlated states and spin-polarized phases in twisted bilayer–bilayer graphene. Nature 583, 215–220 (2020).

Article  CAS  PubMed  Google Scholar 

Shen, C. et al. Correlated states in twisted double bilayer graphene. Nat. Phys. 16, 520–525 (2020).

Article  CAS  Google Scholar 

Wang, L. et al. Correlated electronic phases in twisted bilayer transition metal dichalcogenides. Nat. Mater. 19, 861–866 (2020). This article reports the observation of a correlated electronic state (correlated insulator) in a transition metal dichalcogenide moiré material (twisted bilayer WSe2).

Article  CAS  PubMed  Google Scholar 

Ghiotto, A. et al. Quantum criticality in twisted transition metal dichalcogenides. Nature 597, 345–349 (2021).

Article  CAS  PubMed  Google Scholar 

Xu, Y. et al. A tunable bilayer Hubbard model in twisted WSe2. Nat. Nanotechnol. 17, 934–939 (2022).

Article  CAS  PubMed  Google Scholar 

Li, H. et al. Mapping charge excitations in generalized Wigner crystals. Nat. Nanotechnol. https://doi.org/10.1038/s41565-023-01594-x (2024).

Li, H. et al. Imaging moiré excited states with photocurrent tunnelling microscopy. Nat. Mater. 23, 633–638 (2024).

Article  CAS  PubMed  Google Scholar 

Wang, P. et al. One-dimensional Luttinger liquids in a two-dimensional moiré lattice. Nature 605, 57–62 (2022).

Article  CAS  PubMed  Google Scholar 

Yu, G. et al. Evidence for two dimensional anisotropic Luttinger liquids at millikelvin temperatures. Nat. Commun. 14, 7025 (2023).

Article  CAS  PubMed  PubMed Central  Google Scholar 

Anderson, E. et al. Programming correlated magnetic states with gate-controlled moiré geometry. Science 381, 325–330 (2023).

Article  CAS  PubMed  Google Scholar 

Cai, J. et al. Signatures of fractional quantum anomalous Hall states in twisted MoTe2. Nature 622, 63–68 (2023). This article reports the observation of fractional Chern insulators at zero magnetic field (twisted bilayer MoTe2).

Article  CAS  PubMed  Google Scholar 

Zeng, Y. et al. Thermodynamic evidence of fractional Chern insulator in moiré MoTe2. Nature 622, 69–73 (2023).

Article  CAS  PubMed  Google Scholar 

Park, J. M., Cao, Y., Watanabe, K., Taniguchi, T. & Jarillo-Herrero, P. Tunable strongly coupled superconductivity in magic-angle twisted trilayer graphene. Nature 590, 249–255 (2021). This article reports the observation of highly tunable superconducting phases in magic-angle twisted trilayer graphene.

Article  CAS  PubMed  Google Scholar 

Hao, Z. et al. Electric field-tunable superconductivity in alternating-twist magic-angle trilayer graphene. Science 371, 1133–1138 (2021). This article reports the observation of highly tunable superconducting phases in magic-angle twisted trilayer graphene.

Article  CAS  PubMed  Google Scholar 

Park, J. M. et al. Robust superconductivity in magic-angle multilayer graphene family. Nat. Mater. 21, 877–883 (2022).

Article  CAS  PubMed  Google Scholar 

Zhang, Y. et al. Promotion of superconductivity in magic-angle graphene multilayers. Science 377, 1538–1543 (2022).

Article  CAS  PubMed  Google Scholar 

Uri, A. et al. Superconductivity and strong interactions in a tunable moiré quasicrystal. Nature 620, 762–767 (2023).

Article  CAS  PubMed  Google Scholar 

Xia, L.-Q. et al. Helical trilayer graphene: a moiré platform for strongly-interacting topological bands. Preprint at https://arxiv.org/abs/2310.12204 (2023).

Tang, Y. et al. Simulation of Hubbard model physics in WSe2/WS2 moiré superlattices. Nature 579, 353–358 (2020).

Article  CAS  PubMed  Google Scholar 

Regan, E. C. et al. Mott and generalized Wigner crystal states in WSe2/WS2 moiré superlattices. Nature 579, 359–363 (2020). This article reports the observation of correlated insulators (generalized Wigner crystals) at fractional fillings of a moiré flat band (AA-stacked WSe2/WS2).

Article  CAS  PubMed  Google Scholar 

Li, T. et al. Quantum anomalous Hall effect from intertwined moiré bands. Nature 600, 641–646 (2021). This article reports the observation of a Chern insulator in a transition metal dichalcogenide moiré material, showing a quantized anomalous Hall effect (AB-stacked MoTe2/WSe2).

Article  CAS  PubMed  Google Scholar 

Zhao, W. et al. Realization of the Haldane Chern insulator in a moiré lattice. Nat. Phys. 20, 275–280 (2024).

Article  CAS  Google Scholar 

Zhao, W. et al. Gate-tunable heavy fermions in a moiré Kondo lattice. Nature 616, 61–65 (2023).

Article  CAS  PubMed  Google Scholar 

Yankowitz, M. et al. Emergence of superlattice Dirac points in graphene on hexagonal boron nitride. Nat. Phys. 8, 382–386 (2012).

Article  CAS  Google Scholar 

Dean, C. R. et al. Hofstadter’s butterfly and the fractal quantum Hall effect in moiré superlattices. Nature 497, 598–602 (2013). This article reports a high-electronic-quality, gate-tunable moiré material (bilayer graphene aligned to hexagonal boron nitride).

Article  CAS  PubMed  Google Scholar 

Hunt, B. et al. Massive Dirac fermions and Hofstadter butterfly in a van der Waals heterostructure. Science 340, 1427–1430 (2013). This article reports a high-electronic-quality, gate-tunable moiré material (monolayer graphene aligned to hexagonal boron nitride).

Article  CAS  PubMed  Google Scholar 

Ponomarenko, L. et al. Cloning of Dirac fermions in graphene superlattices. Nature 497, 594–597 (2013). This article reports a high-electronic-quality, gate-tunable moiré material (monolayer graphene aligned to hexagonal boron nitride).

Article  CAS  PubMed  Google Scholar 

Yankowitz, M., Ma, Q., Jarillo-Herrero, P. & LeRoy, B. J. van der Waals heterostructures combining graphene and hexagonal boron nitride. Nat. Rev. Phys. 1, 112–125 (2019).

Article  CAS  Google Scholar 

Khalaf, E., Kruchkov, A. J., Tarnopolsky, G. & Vishwanath, A. Magic angle hierarchy in twisted graphene multilayers. Phys. Rev. B 100, 085109 (2019). This article predicts a hierarchy of graphene-based moiré materials with flat moiré bands.

Article  CAS  Google Scholar 

Ledwith, P. J., Vishwanath, A. & Khalaf, E. Family of ideal Chern flatbands with arbitrary Chern number in chiral twisted graphene multilayers. Phys. Rev. Lett. 128, 176404 (2022).

Article  CAS  PubMed 

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