Two-dimensional materials articles within Nature Physics

Featured

  • Article |

    The phase diagram of confined ice is different from that of bulk ice. Simulations now reveal several 2D ice phases and show how strong nuclear quantum effects result in rich proton dynamics in 2D confined ices.

    • Jian Jiang
    • , Yurui Gao
    •  & Xiao Cheng Zeng

  • Editorial |

    Two-dimensional crystals have revolutionized fundamental research across a staggering range of disciplines. We take stock of the progress gained after twenty years of work.

  • Article |

    The Haldane model is a paradigmatic example of topological behaviour but has not previously been implemented in condensed-matter experiments. Now a moiré bilayer is shown to realize this model with the accompanying quantized transport response.

    • Wenjin Zhao
    • , Kaifei Kang
    •  & Kin Fai Mak

  • News & Views |

    Semiconducting dipolar excitons — bound states of electrons and holes — in artificial moiré lattices constitute a promising condensed matter system to explore the phase diagram of strongly interacting bosonic particles.

    • Nadine Leisgang

  • Article
    | Open Access

    Interactions between a localized magnetic moment and electrons in a metal can produce an emergent resonance that affects the metal’s properties. A realization of this Kondo effect in MoS2 provides an opportunity to study it in microscopic detail.

    • Camiel van Efferen
    • , Jeison Fischer
    •  & Wouter Jolie

  • Article |

    The boson peak refers to an excess in the phonon density of states seen in three-dimensional amorphous materials. Helium-atom scattering experiments have now revealed a boson peak in a two-dimensional material, too, at a frequency similar to that of the bulk material.

    • Martin Tømterud
    • , Sabrina D. Eder
    •  & Bodil Holst

  • Article |

    The behaviour of a superconductor can be altered by changing its symmetry properties. Coherently coupling two Josephson junctions breaks time-reversal and inversion symmetries, giving rise to a device with a controllable superconducting diode effect.

    • Sadashige Matsuo
    • , Takaya Imoto
    •  & Seigo Tarucha

  • News & Views |

    Generating and controlling noncollinear spin textures is a promising route towards developing next-generation logic architectures beyond CMOS. Now, these spin textures can be engineered in twisted magnetic two-dimensional materials.

    • Bevin Huang

  • Article |

    A moiré potential may play a role in determining the magnetic properties of a two-dimensional homo or heterostructure. Now, non-collinear spin structures are observed in twisted double bilayer CrI3, providing a platform to engineer unusual magnetic textures.

    • Hongchao Xie
    • , Xiangpeng Luo
    •  & Liuyan Zhao

  • Article |

    Switching of magnetic behaviour is one of the main ideas that drives spintronics. Now, magnetic switching via spin-orbit torque is shown in a moiré bilayer, introducing a platform for spintronic applications.

    • C. L. Tschirhart
    • , Evgeny Redekop
    •  & A. F. Young

  • Article |

    The ultrafast structural dynamics in 2D perovskites are an important part of their non-equilibrium properties. Now, their visualization reveals a light-induced reduction in the antiferro-distortion initiated by the electron–hole plasma.

    • Hao Zhang
    • , Wenbin Li
    •  & Aditya D. Mohite

  • Article |

    Hexagonal boron nitride is a common component of 2D heterostructures. Defects implanted in boron nitride crystals can be used to perform spatially resolved sensing of properties, including temperature, magnetism and current.

    • A. J. Healey
    • , S. C. Scholten
    •  & J.-P. Tetienne

  • Letter |

    Stacking monolayer WS2 on top of bilayer WSe2 creates conditions where electrons and holes can coexist in the structure. Their Coulomb interaction allows them to form bound pairs and hence an excitonic insulator state.

    • Dongxue Chen
    • , Zhen Lian
    •  & Su-Fei Shi

  • Letter |

    A heterostructure supports the equilibrium bound states of an electron and hole—excitons—that strongly interact with each other. This provides a platform for the quantum simulation of bosonic lattice models.

    • Jie Gu
    • , Liguo Ma
    •  & Kin Fai Mak

  • News & Views |

    Light travels through disordered media on a random path that is hard to control. A comprehensive study has now shown that optical energy can be deposited at a desired depth in a disordered waveguide by injecting a light field with a particular shape.

    • Oluwafemi S. Ojambati

  • Letter |

    A semiconductor platform for experimentally investigating the multiorbital Bose–Hubbard model with long-range interactions is demonstrated. The interactions between the excitons are strong enough to reach the Mott insulator regime.

    • Camille Lagoin
    • , Stephan Suffit
    •  & François Dubin

  • News & Views |

    Most systems exhibiting topological superconductivity are artificial structures that require precise engineering. Now, a layered material shows tantalizing signs of the phenomenon.

    • Jose L. Lado
    •  & Peter Liljeroth

  • Article |

    Moiré potentials substantially alter the electronic properties of twisted bilayer graphene at a magic twist angle. A propagating plasmon mode, which can be observed with optical nano-imaging, is associated with transitions between the moiré minibands.

    • Niels C. H. Hesp
    • , Iacopo Torre
    •  & Frank H. L. Koppens

  • News & Views |

    Some material defects have quantum degrees of freedom that are measurably disturbed by environmental changes, making them excellent sensors. A two-dimensional material with such defects could improve the versatility of quantum-sensing technologies.

    • J.-P. Tetienne

  • Article |

    Macroscale patterns seen in biological systems such as animal coats or skin can be described by Turing’s reaction–diffusion theory. Now Turing patterns are shown to also exist in bismuth monolayers, an exemplary nanoscale atomic system.

    • Yuki Fuseya
    • , Hiroyasu Katsuno
    •  & Aharon Kapitulnik

  • Article |

    A two-fold rotational symmetry is observed in the superconducting state of NbSe2. This is strikingly different from the three-fold symmetry of the lattice, and suggests that a mixed conventional and unconventional order parameter exists in this material.

    • Alex Hamill
    • , Brett Heischmidt
    •  & Vlad S. Pribiag

  • Letter |

    The electrical potential created by a moiré pattern in twisted transition metal dichalcogenide bilayers can be surprisingly deep, trapping electrons that can possibly be used for opto-electronic or quantum simulation applications.

    • Sara Shabani
    • , Dorri Halbertal
    •  & Abhay N. Pasupathy

  • Review Article |

    Moiré heterostructures have latterly captured the attention of condensed-matter physicists. This Review Article explores the idea of adopting them as a quantum simulation platform that enables the study of strongly correlated physics and topology in quantum materials.

    • Dante M. Kennes
    • , Martin Claassen
    •  & Angel Rubio

  • Letter |

    Transport measurements show that spontaneous symmetry breaking plays a crucial role in the correlated insulating and metallic states in twisted double bilayer graphene.

    • Minhao He
    • , Yuhao Li
    •  & Matthew Yankowitz

  • Article |

    High-quality WSe2–MoSe2 heterostructures support strong coupling between the two layers, which is associated with tight hybridization and effective charge separation. In these structures, the bands of the interlayer excitons can be pressure-engineered.

    • Juan Xia
    • , Jiaxu Yan
    •  & Zexiang Shen

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