Nanoscale devices

  • Article |

    Engineering of the coupling between optical modes in a lithium niobate chip enables the realization of tunable, bi-directional and low-loss electro-optic frequency shifters controlled using only continuous and single-tone microwaves.

    • Yaowen Hu
    • , Mengjie Yu
    •  & Marko Lončar
  • Article |

    In a tiny chip-based particle accelerator, phase-space control of the emerging electron beam demonstrates guiding over a length of nearly 80 micrometres and an indispensable prerequisite to electron acceleration to high energies.

    • R. Shiloh
    • , J. Illmer
    •  & P. Hommelhoff
  • Article |

    Gold nanoflake pairs form by self-assembly in an aqueous ligand solution and offer stable and tunable microcavities by virtue of equilibrium between attractive Casimir forces and repulsive electrostatic forces.

    • Battulga Munkhbat
    • , Adriana Canales
    •  & Timur O. Shegai
  • Article |

    High-performance optoelectronic devices that operate in the infrared regime at room temperature exhibit wide-range, active and reversible tunability of the operating wavelengths with black phosphorus.

    • Hyungjin Kim
    • , Shiekh Zia Uddin
    •  & Ali Javey
  • Article |

    Flexible electronic platforms would enable the integration of functional electronic circuitry with many everyday objects; here, a low-cost and fully flexible 32-bit microprocessor is produced.

    • John Biggs
    • , James Myers
    •  & Scott White
  • Article |

    A molecular-scale pump whose operation is driven by a catalytic process when in the presence of chemical fuel is autonomous, within an operating window, as long as the fuel lasts.

    • Shuntaro Amano
    • , Stephen D. P. Fielden
    •  & David A. Leigh
  • Article |

    Direct infrared nano-imaging of plasmonic waves in graphene carrying high current density reveals the Fizeau drag of plasmon polaritons by fast-moving quasi-relativistic electrons.

    • Y. Dong
    • , L. Xiong
    •  & D. N. Basov
  • Article |

    An integrated photonic processor, based on phase-change-material memory arrays and chip-based optical frequency combs, which can operate at speeds of trillions of multiply-accumulate (MAC) operations per second, is demonstrated.

    • J. Feldmann
    • , N. Youngblood
    •  & H. Bhaskaran
  • Article |

    A chip-scale platform is developed for the conversion of a single microwave excitation of a superconducting qubit into optical photons, with potential uses in quantum computer networks.

    • Mohammad Mirhosseini
    • , Alp Sipahigil
    •  & Oskar Painter
  • Article |

    In the tiniest of capillaries, barely larger than a water molecule, condensation is surprisingly predictable from the macroscopic Kelvin condensation equation, a coincidence partially owing to elastic deformation of the capillary walls.

    • Qian Yang
    • , P. Z. Sun
    •  & A. K. Geim
  • Article |

    Logic operations and reconfigurable circuits are demonstrated that can be directly implemented using memory elements based on floating-gate field-effect transistors with monolayer MoS2 as the active channel material.

    • Guilherme Migliato Marega
    • , Yanfei Zhao
    •  & Andras Kis
  • Article |

    An ultimately thin microwave bolometric sensor based on a superconductor–graphene–superconductor Josephson junction with monolayer graphene has a sensitivity approaching the fundamental limit imposed by intrinsic thermal fluctuations.

    • Gil-Ho Lee
    • , Dmitri K. Efetov
    •  & Kin Chung Fong
  • Article |

    A fundamental superconducting qubit is introduced: ‘blochnium’ is dual to the transmon, relies on a circuit element called hyperinductance, and its fundamental physical variable is the quasicharge of the Josephson junction.

    • Ivan V. Pechenezhskiy
    • , Raymond A. Mencia
    •  & Vladimir E. Manucharyan
  • Article |

    A new class of voltage-controllable electrochemical actuators that are compatible with silicon processing are used to produce over one million sub-hundred-micrometre walking robots on a single four-inch wafer.

    • Marc Z. Miskin
    • , Alejandro J. Cortese
    •  & Itai Cohen
  • Article |

    Room-temperature electrical switching of a topological antiferromagnetic state in polycrystalline Mn3Sn thin films is demonstrated using the same protocol as that used for conventional ferromagnetic metals.

    • Hanshen Tsai
    • , Tomoya Higo
    •  & Satoru Nakatsuji
  • 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 |

    An on-chip, all-electronic device based on the formation of a nanoplasma provides ultrafast electron transfer, enabling picosecond switching of electric signals and the generation of high-power terahertz pulses.

    • Mohammad Samizadeh Nikoo
    • , Armin Jafari
    •  & Elison Matioli
  • Article |

    Coherent quantum control of a single 123Sb nucleus using electric fields produced within a silicon nanoelectronic device is demonstrated experimentally, validating a concept predicted theoretically in 1961.

    • Serwan Asaad
    • , Vincent Mourik
    •  & Andrea Morello
  • Article |

    Chiral coupling between neighbouring magnetic domains is used in domain-wall racetracks to realize various all-electric logic operations by cascading the gates.

    • Zhaochu Luo
    • , Aleš Hrabec
    •  & Laura J. Heyderman
  • Article |

    The existence of the Kondo cloud is revealed by the spatially resolved characterization of the oscillations of the Kondo temperature in a Fabry–Pérot interferometer and its extent is shown to be several micrometres.

    • Ivan V. Borzenets
    • , Jeongmin Shim
    •  & Michihisa Yamamoto
  • Article |

    Optical chiral induction and spontaneous gyrotropic electronic order are realized in the transition-metal chalcogenide 1T-TiSe2 by using illumination with mid-infrared circularly polarized light and simultaneous cooling below the critical temperature.

    • Su-Yang Xu
    • , Qiong Ma
    •  & Nuh Gedik
  • Article |

    A universal mechanical exfoliation method of creating freestanding membranes of complex-oxide materials with different crystal structures and orientations and stacking them to produce a range of artificial heterostructures with hybridized physical properties is described.

    • Hyun S. Kum
    • , Hyungwoo Lee
    •  & Jeehwan Kim
  • Article |

    A fully hardware-based memristor convolutional neural network using a hybrid training method achieves an energy efficiency more than two orders of magnitude greater than that of graphics-processing units.

    • Peng Yao
    • , Huaqiang Wu
    •  & He Qian
  • 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 |

    Microwave-mediated coupling of electron spins separated by more than 4 mm is demonstrated, suggesting the possibility of using photons at microwave frequencies to create long-range two-qubit gates between distant spins.

    • F. Borjans
    • , X. G. Croot
    •  & J. R. Petta
  • 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
  • Article |

    A micromachine less than 100 micrometres across, made of arrays of nanomagnets on hinged panels, is encoded with multiple shape transformations  and actuated with a magnetic field.

    • Jizhai Cui
    • , Tian-Yun Huang
    •  & Laura J. Heyderman
  • 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 probabilistic computer utilizing probabilistic bits, or p-bits, is implemented with stochastic nanomagnetic devices in a neural-network-inspired electrical circuit operating at room temperature and demonstrates integer factorization up to 945.

    • William A. Borders
    • , Ahmed Z. Pervaiz
    •  & Supriyo Datta
  • Letter |

    A hybrid platform comprising a microwave superconducting qubit and a nanomechanical piezoelectric oscillator is used to resolve the phonon number states of the oscillator.

    • Patricio Arrangoiz-Arriola
    • , E. Alex Wollack
    •  & Amir H. Safavi-Naeini
  • 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 |

    The thermal conductance of single-molecule junctions is measured using picowatt-resolution calorimetric scanning probes and is found to be nearly independent of the length of the alkanedithiol molecules studied.

    • Longji Cui
    • , Sunghoon Hur
    •  & Edgar Meyhofer