Materials science

  • Article |

    By combining the use of photoswitchable photoinitators and intersecting light beams, objects and complex systems can be produced rapidly with higher definition than is possible using state-of-the art macroscopic volumetric methods.

    • Martin Regehly
    • , Yves Garmshausen
    •  & Stefan Hecht
  • Article |

    The number of edge channels in quantum anomalous Hall insulators is controlled by varying either the magnetic dopant concentration or the interior spacer layer thickness, yielding Chern numbers up to 5.

    • Yi-Fan Zhao
    • , Ruoxi Zhang
    •  & Cui-Zu Chang
  • 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 |

    Estimates of global total biomass (the mass of all living things) and anthopogenic mass (the mass embedded in inanimate objects made by humans) over time show that we are roughly at the timepoint when anthropogenic mass exceeds total biomass.

    • Emily Elhacham
    • , Liad Ben-Uri
    •  & Ron Milo
  • Article |

    Non-volatile electrical switching of magnetic order in an orbital Chern insulator is experimentally demonstrated using a moiré heterostructure and analysis shows that the effect is driven by topological edge states.

    • H. Polshyn
    • , J. Zhu
    •  & A. F. Young
  • Article |

    Electronic ferroelectricity is observed in a graphene-based moiré heterostructure, which is explained using a spontaneous interlayer charge-transfer model driven by layer-specific on-site Coulomb repulsion.

    • Zhiren Zheng
    • , Qiong Ma
    •  & Pablo Jarillo-Herrero
  • Article |

    Spectroscopic studies and theoretical calculations of the electrocatalytic oxygen evolution reaction establish that reaction rates depend on the amount of charge stored in the electrocatalyst, and not on the applied potential.

    • Hong Nhan Nong
    • , Lorenz J. Falling
    •  & Travis E. Jones
  • Article |

    Strain gauges with both high sensitivity and high mechanical resilience, based on strain-mediated contact in anisotropically resistive structures, are demonstrated within a sensor-integrated, textile-based sleeve that can recognize human hand motions via muscle deformations.

    • Oluwaseun A. Araromi
    • , Moritz A. Graule
    •  & Robert J. Wood
  • Article |

    High-throughput calculations are performed to predict approximately 130 magnetic topological materials, with complete electronic structure calculations and topological phase diagrams.

    • Yuanfeng Xu
    • , Luis Elcoro
    •  & B. Andrei Bernevig
  • Article |

    A jigsaw-style configuration of interlocking structures identified in the elytra of the remarkably tough diabolical ironclad beetle, Phloeodes diabolicus, is used to inspire crush-resistant multilayer composites for engineering joints.

    • Jesus Rivera
    • , Maryam Sadat Hosseini
    •  & David Kisailus
  • Article |

    Cadmium-free blue quantum dot light-emitting diodes are constructed with a quantum yield of unity, an efficiency at the theoretical limit, high brightness and long operational lifetime.

    • Taehyung Kim
    • , Kwang-Hee Kim
    •  & Eunjoo Jang
  • Article |

    Microscale magnetic devices containing nanoscale spin helices produce an inductance comparable in magnitude to that of a commercial inductor, in a volume about a million times smaller.

    • Tomoyuki Yokouchi
    • , Fumitaka Kagawa
    •  & Yoshinori Tokura
  • 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 |

    Self-assembly of cubic diamond crystals is demonstrated, by using precursor clusters of particles with carefully placed ‘sticky’ patches that attract and bind adjacent clusters in specific geometries.

    • Mingxin He
    • , Johnathon P. Gales
    •  & David J. Pine
  • Article |

    An air gap embedded within the structure of a thermophotovoltaic device acts as a near-perfect reflector of low-energy photons, resulting in their recovery and recycling by the thermal source, enabling excellent power-conversion efficiency.

    • Dejiu Fan
    • , Tobias Burger
    •  & Stephen R. Forrest
  • Article |

    The building blocks of the nanostructures observed on Drosophila corneas are determined, and then used to create artificial nanostructures with anti-reflective and anti-adhesive properties.

    • Mikhail Kryuchkov
    • , Oleksii Bilousov
    •  & Vladimir L. Katanaev
  • Article |

    Miniature gut tubes grown in vitro from mouse intestinal stem cells are perfusable, can be colonized with microorganisms and exhibit a similar arrangement and diversity of specialized cell types to intestines in vivo.

    • Mikhail Nikolaev
    • , Olga Mitrofanova
    •  & Matthias P. Lutolf
  • Article |

    Simulations using machine-learning-based interatomic potentials in dense hydrogen overcome system size and timescale limitations, providing evidence of a supercritical behaviour of high-pressure liquid hydrogen and reconciling theoretical and experimental discrepancies.

    • Bingqing Cheng
    • , Guglielmo Mazzola
    •  & Michele Ceriotti
  • Article |

    A direct ink writing protocol for silica aerogels enables 3D printing of lightweight, miniaturized objects with complex shapes, with the possibility to easily add functionality by incorporating nanoparticles.

    • Shanyu Zhao
    • , Gilberto Siqueira
    •  & Wim J. Malfait
  • Article |

    A superconducting diode that has zero resistance in only one direction is realized in an artificially engineered superlattice without inversion symmetry, enabling directional charge transport without energy loss.

    • Fuyuki Ando
    • , Yuta Miyasaka
    •  & Teruo Ono
  • Article |

    Under high pressure, elemental sulfur shows a sharp density discontinuity that evolves with pressure and temperature and terminates at a critical point, indicating a first-order liquid–liquid phase transition.

    • Laura Henry
    • , Mohamed Mezouar
    •  & Frédéric Datchi
  • Article |

    A method of endowing thermoset plastics with a degree of recyclability and reprocessability by incorporating cleavable chemical linkages in the strands of the polymer, rather than in the crosslinks, is presented.

    • Peyton Shieh
    • , Wenxu Zhang
    •  & Jeremiah A. Johnson
  • Article |

    A mobile robot autonomously operates analytical instruments in a wet chemistry laboratory, performing a photocatalyst optimization task much faster than a human would be able to.

    • Benjamin Burger
    • , Phillip M. Maffettone
    •  & Andrew I. Cooper
  • Article |

    Hydroxylapatite crystallites in human dental enamel show gradients in chemical composition, with a layer of magnesium enrichment on each side of a core rich in sodium, fluoride and carbonate ions.

    • Karen A. DeRocher
    • , Paul J. M. Smeets
    •  & Derk Joester
  • Article |

    A Damascus-like steel consisting of alternating hard and soft layers is created by using a laser additive manufacturing technique and digital control of the processing parameters.

    • Philipp Kürnsteiner
    • , Markus Benjamin Wilms
    •  & Dierk Raabe
  • Article |

    Combining thermal scanning-probe lithography with templating enables the production of high-quality gratings that manipulate light through Fourier-spectrum engineering in ways that are not achievable with conventional gratings.

    • Nolan Lassaline
    • , Raphael Brechbühler
    •  & David J. Norris
  • Article |

    Thin films of amorphous boron nitride are mechanically and electrically robust, prevent diffusion of metal atoms into semiconductors and have ultralow dielectric constants that exceed current recommendations for high-performance electronics.

    • Seokmo Hong
    • , Chang-Seok Lee
    •  & Hyeon Suk Shin
  • Article |

    The coupling between light and relativistic free electrons is enhanced through phase matching of electrons with optical whispering-gallery modes in dielectric microspheres and through extended modal lifetimes.

    • Ofer Kfir
    • , Hugo Lourenço-Martins
    •  & Claus Ropers
  • Article |

    Water-repellent nanostructures are housed within an interconnected microstructure frame to yield mechanically robust superhydrophobic surfaces.

    • Dehui Wang
    • , Qiangqiang Sun
    •  & Xu Deng
  • Article |

    Water splitting with an internal quantum efficiency of almost unity is achieved using a modified semiconductor photocatalyst that selectively promotes the hydrogen and oxygen evolution reactions on separate crystal facets.

    • Tsuyoshi Takata
    • , Junzhe Jiang
    •  & Kazunari Domen