Nanoscale devices articles within Nature Communications

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  • Article
    | Open Access

    Optical computing, involving on-chip integrated logic units, could provide improved performance over semiconductor-based computing. Here, a binary NOR gate is developed from cascaded OR and NOT gates in four-terminal plasmonic nanowire networks; the work could lead to new optical computing technologies.

    • Hong Wei
    • , Zhuoxian Wang
    •  & Hongxing Xu

  • Article |

    Metal-based nanostructures offer a solution to scale down photonics to the nanoscale. Sorgeret al. directly demonstrate waveguiding of ultra-small propagating waves at visible and near-infrared frequencies using NSOM imaging, with the potential for nanoscale photonic applications such as bio-sensing.

    • Volker J. Sorger
    • , Ziliang Ye
    •  & Xiang Zhang

  • Article
    | Open Access

    The conductance of single-molecule junctions is affected by the structure of the molecule and how it is bound to the electrodes, which may be examined using Raman spectroscopy. Liuet al. have developed 'fishing-mode' tip-enhanced Raman spectroscopy, which allows the simultaneous determination of conductance and Raman spectra.

    • Zheng Liu
    • , Song-Yuan Ding
    •  & Zhong-Qun Tian

  • Article |

    Infrared cameras are used for night vision and in medical diagnostics, but currently only present monochrome images. Krishnaet al. demonstrate a monolithically intergrated plasmonic infrared quantum dot camera as a step towards coloured infrared imaging.

    • Sang Jun Lee
    • , Zahyun Ku
    •  & Sam Kyu Noh

  • Article |

    Single-molecule force spectroscopy is used to study single molecule interactions, but probing short-lived events is difficult. Here, a nanomechanical interface is developed, which allows the study of microsecond timescale interactions.

    • Mingdong Dong
    •  & Ozgur Sahin

  • Article
    | Open Access

    New memory devices are being developed to overcome the limitations of conventional silicon-based flash memory. Here, a non-volatile memory design is reported that uses a micromechanical cantilever to charge and discharge a floating gate, which controls charge transport through a carbon nanotube field-effect transistor.

    • Sang Wook Lee
    • , Seung Joo Park
    •  & Yung Woo Park

  • Article
    | Open Access

    In molecular spintronics, the spin state of a molecule may be switched by changing the molecular structure. Here, the spin of a single-molecule magnet is switched by applying an electric current using a scanning tunnelling microscope, which may aid in information coding at the single-molecule level.

    • Tadahiro Komeda
    • , Hironari Isshiki
    •  & Masahiro Yamashita

  • Article
    | Open Access

    Molecular fluctuations are a source of noise that can impede single-molecule identification. Here, quantum-fluctuation-induced inelastic noise is observed as current fluctuations in individual molecules, suggesting that inelastic noise could be used as a molecular signature.

    • Makusu Tsutsui
    • , Masateru Taniguchi
    •  & Tomoji Kawai

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