Volume 11 Issue 5, May 2016

Volume 11 Issue 5

Bernal (that is, AB-stacked) bilayer graphene (BLG) has a tunable bandgap under an applied electric field. It could find applications in electronics and optoelectronics, for example, and could potentially be converted into diamane. However, scalable synthesis of high-quality BLG has been a challenge. Rodney Ruoff, James Hone, Luigi Colombo and colleagues have now shown that near-millimetre AB-stacked BLG can be grown by oxygen-activated chemical vapour deposition on copper foil and has a bandgap of more than 100 meV. The cover is an artist’s rendition of a Raman mapping image of BLG labelled with carbon isotopes, which has a hexagonal shape and is surrounded by monolayer graphene. Such Raman mapping images helped elucidate the growth mechanism.

Letter p426

IMAGE: YUFENG HAO

COVER DESIGN: BETHANY VUKOMANOVIC

Editorial

  • Editorial |

    The National Nanotechnology Initiative and the challenges of modern society.

Commentary

  • Commentary |

    Discussions about nanotechnology and development focus on applications that directly address the needs of the world's poor. Nanotechnology can certainly make an impact in the fight against global poverty, but we need to broaden our imagination.

    • Koen Beumer

Q&A

  • Q&A |

    Nature Nanotechnology talked to Michael A. Meador, director of the National Nanotechnology Coordination Office in the US, about the way in which the US National Nanotechnology Initiative operates and how this has changed since its launch in 2001.

Research Highlights

News & Views

  • News & Views |

    Scanning near-field optical microscopy combined with pump–probe spectroscopy can resolve ultrafast dynamics at the nanoscale.

    • Hrvoje Petek
  • News & Views |

    Meta-analysis of the literature on quantum dot toxicity using a machine-learning tool helps reveal hidden relationships between material properties and toxicity.

    • Elizabeth A. Casman
    •  & Jeremy M. Gernand
  • News & Views |

    Two complementary strategies show how to control the spatial propagation of spin waves, thus promising complex and reconfigurable wiring in spin-wave-based circuits.

    • Dirk Grundler

Review Article

  • Review Article |

    This Review discusses the fundamental challenges for making enzymatic reactions occur in surface- or volume-confined environments that may be suitable for technological applications in vitro and in vivo.

    • Andreas Küchler
    • , Makoto Yoshimoto
    • , Sandra Luginbühl
    • , Fabio Mavelli
    •  & Peter Walde

Letter

Article

  • Article |

    Magnetic skyrmions can be stabilized at room temperature in cobalt layers sandwiched between heavy metal layers due to engineering of the interfacial Dzyaloshinskii–Moriya interaction.

    • C. Moreau-Luchaire
    • , C. Moutafis
    • , N. Reyren
    • , J. Sampaio
    • , C. A. F. Vaz
    • , N. Van Horne
    • , K. Bouzehouane
    • , K. Garcia
    • , C. Deranlot
    • , P. Warnicke
    • , P. Wohlhüter
    • , J.-M. George
    • , M. Weigand
    • , J. Raabe
    • , V. Cros
    •  & A. Fert
  • Article |

    Stable, single magnetic skyrmions are demonstrated at room temperature in ultrathin cobalt nanostructures.

    • Olivier Boulle
    • , Jan Vogel
    • , Hongxin Yang
    • , Stefania Pizzini
    • , Dayane de Souza Chaves
    • , Andrea Locatelli
    • , Tevfik Onur Menteş
    • , Alessandro Sala
    • , Liliana D. Buda-Prejbeanu
    • , Olivier Klein
    • , Mohamed Belmeguenai
    • , Yves Roussigné
    • , Andrey Stashkevich
    • , Salim Mourad Chérif
    • , Lucia Aballe
    • , Michael Foerster
    • , Mairbek Chshiev
    • , Stéphane Auffret
    • , Ioan Mihai Miron
    •  & Gilles Gaudin
  • Article |

    Metal cations can form coordination complexes with the lone pair electrons of 2D metal chalcogenides, offering a potentially general strategy to surface functionalization.

    • Sidong Lei
    • , Xifan Wang
    • , Bo Li
    • , Jiahao Kang
    • , Yongmin He
    • , Antony George
    • , Liehui Ge
    • , Yongji Gong
    • , Pei Dong
    • , Zehua Jin
    • , Gustavo Brunetto
    • , Weibing Chen
    • , Zuan-Tao Lin
    • , Robert Baines
    • , Douglas S. Galvão
    • , Jun Lou
    • , Enrique Barrera
    • , Kaustav Banerjee
    • , Robert Vajtai
    •  & Pulickel Ajayan
  • Article |

    A composite fibrous material made of carbon nanotubes and graphene responds to small pressure but not to bending deformation.

    • Sungwon Lee
    • , Amir Reuveny
    • , Jonathan Reeder
    • , Sunghoon Lee
    • , Hanbit Jin
    • , Qihan Liu
    • , Tomoyuki Yokota
    • , Tsuyoshi Sekitani
    • , Takashi Isoyama
    • , Yusuke Abe
    • , Zhigang Suo
    •  & Takao Someya
  • Article |

    Literature data mining and knowledge extraction (known as meta-analysis) can be used to derive the relationships between toxicological outcome and the physicochemical properties of cadmium-containing quantum dots.

    • Eunkeu Oh
    • , Rong Liu
    • , Andre Nel
    • , Kelly Boeneman Gemill
    • , Muhammad Bilal
    • , Yoram Cohen
    •  & Igor L. Medintz

In the Classroom

  • In the Classroom |

    Nanotechnology and superheroes can inspire high school students to explore science, as Lisa E. Friedersdorf and Quinn A. Spadola explain.

    • Lisa E. Friedersdorf
    •  & Quinn A. Spadola
Find nanotechnology articles, nanomaterial data and patents all in one place. Visit Nano by Nature Research