Semiconductors articles within Nature

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  • Article
    | Open Access

    Minimization of kinetic energy leads to ferromagnetic correlations between itinerant electrons in MoSe2/WS2 moiré lattices even in the absence of exchange interactions.

    • L. Ciorciaro
    • , T. Smoleński
    •  & A. İmamoğlu

  • Article |

    Thermodynamic evidence of both integer and fractional Chern insulators at zero magnetic field is reported in small-angle twisted bilayer MoTe2 by combining the local electronic compressibility and magneto-optical measurements.

    • Yihang Zeng
    • , Zhengchao Xia
    •  & Jie Shan

  • Article |

    A minimal artificial Kitaev chain can be realized by using two spin-polarized quantum dots in an InSb nanowire strongly coupled by both elastic co-tunnelling and crossed Andreev reflection.

    • Tom Dvir
    • , Guanzhong Wang
    •  & Leo P. Kouwenhoven

  • Article |

    Valentini et al. devise a method through which they can perform both tunnelling spectroscopy and Coulomb blockade spectroscopy on the same hybrid nanowire island to reduce ambiguities in the detection of Majorana.

    • Marco Valentini
    • , Maksim Borovkov
    •  & Georgios Katsaros

  • Article |

    Spin correlation experiments are demonstrated in an electron entangler device based on the ‘splitting’ of Cooper pairs from a superconductor, which can potentially be used to investigate many fundamental phases and processes related to the electron spin.

    • Arunav Bordoloi
    • , Valentina Zannier
    •  & Andreas Baumgartner

  • Article |

    By forcing electron–hole pairs onto closed trajectories attosecond clocking of delocalized Bloch electrons is achieved, enabling greater understanding of unexpected phase transitions and quantum-dynamic phenomena.

    • J. Freudenstein
    • , M. Borsch
    •  & R. Huber

  • Article |

    Reduced dielectric screening in a free-standing heterobilayer results in higher formation efficiency of interlayer excitons and leads to strongly enhanced dipole–dipole interactions, enabling the observation of many-body correlations at the quantum limit.

    • Xueqian Sun
    • , Yi Zhu
    •  & Yuerui Lu

  • Article
    | Open Access

    By using three silicon spin qubits to construct a phase-correcting code, quantum error correction is implemented and protection of the three-qubit state against any phase-flip error on one of the three qubits is demonstrated.

    • Kenta Takeda
    • , Akito Noiri
    •  & Seigo Tarucha

  • Article
    | Open Access

    A method for mapping phonon momenta reveals non-equilibrium phonon dynamics at nanoscale interfaces enabling study of actual nanodevices and aiding understanding of heat dissipation near nanoscale hotspots.

    • Chaitanya A. Gadre
    • , Xingxu Yan
    •  & Xiaoqing Pan

  • Article |

    Single- and two-qubit gate fidelities above the fault-tolerance threshold for quantum computation are demonstrated in silicon quantum dots by fast electrical control using a micromagnet-induced gradient field and tunable coupling.

    • Akito Noiri
    • , Kenta Takeda
    •  & Seigo Tarucha

  • Article
    | Open Access

    A spin-based quantum processor in silicon achieves single-qubit and two-qubit gate fidelities above 99.5% using gate-set tomography, exceeding the theoretical threshold required for fault-tolerant quantum computing.

    • Xiao Xue
    • , Maximilian Russ
    •  & Lieven M. K. Vandersypen

  • Article |

    An electric-field-induced topological phase transition from a Mott insulator to a quantum anomalous Hall insulator in near-60-degree-twisted (or AB-stacked) MoTe2/WSe2 heterobilayers is reported.

    • Tingxin Li
    • , Shengwei Jiang
    •  & Kin Fai Mak

  • Article |

    So far only signatures of excitonic insulators have been reported, but here direct thermodynamic evidence is provided for a strongly correlated excitonic insulating state in transition metal dichalcogenide semiconductor double layers.

    • Liguo Ma
    • , Phuong X. Nguyen
    •  & Jie Shan

  • Article |

    So far, only indirect evidence of Wigner crystals has been reported, but a specially designed scanning tunnelling microscope is used here to directly image them in a moiré heterostructure.

    • Hongyuan Li
    • , Shaowei Li
    •  & Feng Wang

  • Article |

    Fizeau drag of plasmon polaritons by an electron flow in strongly biased monolayer graphene is directly observed by exploiting the high electron mobility and slow plasmon propagation of Dirac electrons.

    • Wenyu Zhao
    • , Sihan Zhao
    •  & Feng Wang

  • Article |

    Optical experiments on WSe2/MoSe2 heterobilayers reveal signatures of moiré trions, including interlayer emission with sharp lines and a complex charge-density dependence, features that differ markedly from those of conventional trions.

    • Erfu Liu
    • , Elyse Barré
    •  & Chun Hung Lui

  • Article |

    Nanoscale imaging of edge currents in charge-neutral graphene shows that charge accumulation can explain various exotic nonlocal transport measurements, bringing into question some theories about their origins.

    • A. Aharon-Steinberg
    • , A. Marguerite
    •  & E. Zeldov

  • Article |

    Using germanium quantum dots, a four-qubit processor capable of single-, two-, three-, and four-qubit gates, demonstrated by the creation of four-qubit Greenberger−Horne−Zeilinger states, is the largest yet realized with solid-state electron spins.

    • Nico W. Hendrickx
    • , William I. L. Lawrie
    •  & Menno Veldhorst

  • Article |

    The binding of multidentate ligands to the surface of lead halide perovskite nanocrystals suppresses the formation of surface defects that result in halide segregation, yielding materials with efficient and colour-stable red emission.

    • Yasser Hassan
    • , Jong Hyun Park
    •  & Henry J. Snaith

  • Article |

    Lithographically defined qubits are shown to support full two-qubit logic at temperatures above one kelvin by using electron spin states in silicon quantum dots.

    • L. Petit
    • , H. G. J. Eenink
    •  & M. Veldhorst

  • Article |

    A hexagonal (rather than cubic) alloy of silicon and germanium that has a direct (rather than indirect) bandgap emits light efficiently across a range of wavelengths, enabling electronic and optoelectronic functionalities to be combined on a single chip.

    • Elham M. T. Fadaly
    • , Alain Dijkstra
    •  & Erik P. A. M. Bakkers

  • Article |

    Spin qubits based on hole states in strained germanium could offer the most scalable platform for quantum computation.

    • N. W. Hendrickx
    • , D. P. Franke
    •  & M. Veldhorst

  • Article |

    The emergence of a liquid-like electronic flow from ballistic flow in graphene is imaged, and an almost-ideal viscous hydrodynamic fluid of electrons exhibiting a parabolic Poiseuille flow profile is observed.

    • Joseph A. Sulpizio
    • , Lior Ella
    •  & Shahal Ilani

  • Letter |

    Transmission of single-spin and entangled quantum states without the physical displacement of electrons is demonstrated in a quadruple quantum dot array using the Heisenberg exchange interaction and coherent SWAP gates.

    • Yadav P. Kandel
    • , Haifeng Qiao
    •  & John M. Nichol

  • Letter |

    A fast, high-fidelity two-qubit exchange gate between phosphorus donor electron spin qubits in silicon is demonstrated by creating a tunable exchange interaction between two electrons bound to phosphorus atom qubits.

    • Y. He
    • , S. K. Gorman
    •  & M. Y. Simmons

  • Letter |

    Two-qubit logic gates in a silicon-based system are shown (using randomized benchmarking) to have high gate fidelities of operation and are used to generate Bell states, a step towards solid-state quantum computation.

    • W. Huang
    • , C. H. Yang
    •  & A. S. Dzurak

  • Letter |

    A part-light, part-matter exciton-polariton topological insulator is created in an array of semiconductor microcavities.

    • S. Klembt
    • , T. H. Harder
    •  & S. Höfling

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