Materials science articles within Nature

Featured

  • Article |

    Analysis of dendrite initiation, owing to filling of pores with lithium by means of microcracks, and propagation, caused by wedge opening, shows that there are two separate processes during dendrite failure of lithium metal solid-state batteries.

    • Ziyang Ning
    • , Guanchen Li
    •  & Peter G. Bruce

  • Research Briefing |

    An original class of strong, ductile titanium alloy containing the inexpensive and abundant oxygen and iron as principal alloying elements has been created using 3D printing. The research findings offer promise for turning low‑quality titanium sponge — a waste product of the energy-intensive production of titanium — into high‑performance titanium alloys, and for innovative alloy engineering.

  • Article
    | Open Access

    Combining alloy design with additive manufacturing process design creates α–β titanium–oxygen–iron alloys that are both strong and ductile, with the potential to revitalize off-grade sponge titanium and thereby reduce the carbon footprint of the titanium industry.

    • Tingting Song
    • , Zibin Chen
    •  & Ma Qian

  • Article |

    The cycles of laser light have been used to advance transmission electron microscopy to attosecond time resolution, revealing the interactions between light and matter in terms of their fundamental dimensions in space and time.

    • David Nabben
    • , Joel Kuttruff
    •  & Peter Baum

  • Outlook |

    A nature-inspired adhesive offers hope for wound healing and haemorrhage control.

    • Elie Dolgin

  • Research Briefing |

    Although crystalline silicon (c-Si) solar cells were developed nearly 70 years ago, their use is still limited. Tailoring the structural symmetry on the edges of textured c-Si wafers changes their fracture mechanism such that they can be used to fabricate flexible solar cells with a bending radius of about 8 millimetres.

  • Perspective |

    An analysis of chemical processes to immobilize lead from perovskite solar cells is presented, highlighting the need for a standard lead-leakage test and mathematical model to reliably evaluate the potential environmental risk of perovskite optoelectronics.

    • Hui Zhang
    • , Jin-Wook Lee
    •  & Nam-Gyu Park

  • Article |

    A dimethylacridine-based molecular doping process is used to construct a well-matched p-perovskite/indium tin oxide contact, along with all-round passivation of grain boundaries, achieving a certified power conversion efficiency of 25.39%.

    • Qin Tan
    • , Zhaoning Li
    •  & Zhubing He

  • News & Views |

    Light-sensitive particles have been shown to stratify in solution in a way that changes the colour of the whole suspension. The system forms a colour-changing ink that could make electronic paper a viable technology.

    • Hector Lopez-Rios
    •  & Monica Olvera de la Cruz

  • Article
    | Open Access

    A simple spectral selective active colloidal system is designed in which TiO2 colloidal species are coded with dyes to form a photochromic swarm that adapts the appearance of incident light due to layered phase segregation.

    • Jing Zheng
    • , Jingyuan Chen
    •  & Jinyao Tang

  • Article
    | Open Access

    Nitrogen-doped lutetium hydrides LuH2±xNy synthesized using a high-pressure and high-temperature synthesis technique did not show near-ambient superconductivity at pressures below 40.1 GPa.

    • Xue Ming
    • , Ying-Jie Zhang
    •  & Hai-Hu Wen

  • Article
    | Open Access

    Lithographically patterned perovskite nanocrystal arrays were used to determine radiation vectors from X-rays to visible light and the emission colours of the nanoparticles was used to create images of three-dimensional objects and for phase-contrast imaging.

    • Luying Yi
    • , Bo Hou
    •  & Xiaogang Liu

  • Article
    | Open Access

    The authors report a high-throughput combinatorial printing method capable of fabricating materials with compositional gradients at microscale spatial resolution, demonstrating a variety of high-throughput printing strategies and applications in combinatorial doping, functional grading and chemical reaction.

    • Minxiang Zeng
    • , Yipu Du
    •  & Yanliang Zhang

  • Article |

    We report a simple method to fabricate chiroptical flexible layers via supramolecular helical ordering of conjugated polymer chains, providing direct, scalable realization of on-chip detection of the spin degree of freedom of photons.

    • Inho Song
    • , Jaeyong Ahn
    •  & Joon Hak Oh

  • News & Views |

    Waste plastics contain immiscible polymers, making recycling challenging. A new additive enables the thermal reprocessing of mixed plastics into recyclable, high-performance materials.

    • Mathieu L. Lepage
    •  & Jeremy E. Wulff

  • Article |

    The authors develop a strategy that allows the diffusion limit of ions in water to be approached for large-area, free-standing, synthetic membranes using covalently bonded polymer frameworks with rigidity-confined ion channels.

    • Peipei Zuo
    • , Chunchun Ye
    •  & Tongwen Xu

  • Article |

    A new compatibilization strategy installs dynamic crosslinkers into several classes of binary, ternary and postconsumer immiscible polymer mixtures in situ, with the resulting compatibilized dynamic thermosets exhibiting intrinsic reprocessability and enhanced tensile strength and creep resistance.

    • Ryan W. Clarke
    • , Tobias Sandmeier
    •  & Eugene Y.-X. Chen

  • Article
    | Open Access

    The authors develop a new oxide-dispersion-strengthened NiCoCr-based alloy using a model-driven alloy design approach and laser-based additive manufacturing, showing how such designs can provide superior compositions using far fewer resources than previous methods.

    • Timothy M. Smith
    • , Christopher A. Kantzos
    •  & John W. Lawson

  • Research Briefing |

    An innovative approach has been developed to break down plastic polymers into their monomer building blocks. It uses a continuous melting, wicking, vaporization and reaction process in a porous carbon-bilayer structure, and can convert two model plastic polymers to their monomers at high yields without a catalyst.

  • Article |

    A depolymerization method is described that uses electrified spatiotemporal heating to selectively generate monomers from the commodity plastics polypropylene and poly(ethylene terephthalate), allowing control over the pyrolysis of plastic waste and reducing the formation of side products.

    • Qi Dong
    • , Aditya Dilip Lele
    •  & Liangbing Hu

  • Research Briefing |

    Quantum materials can host exotic phases of matter in which electrons form unusual collective states. Scientists have struggled to observe the quantization that these electronic states are expected to show, but this phenomenon has now been detected in heavy states at the surface of a superconducting quantum material.

  • News & Views |

    A molecular process called singlet fission might boost solar-cell efficiency, but the mechanism must first be determined. A technique that probes molecules undergoing this process finally reveals the excited states involved.

    • Andrew J. Musser
    •  & Hannah Stern

  • Article
    | Open Access

    Time- and angle-resolved photoemission spectroscopy is used to observe the primary step of singlet fission with orbital resolution indicating a charge-transfer mediated mechanism with a hybridization of states in the lowest bright singlet exciton.

    • Alexander Neef
    • , Samuel Beaulieu
    •  & Ralph Ernstorfer

  • Article
    | Open Access

    A porous organic crystal readily and reversibly adsorbs water, with dehydration occurring well below the freezing point of water, which could be seen by a change in colour.

    • Alan C. Eaby
    • , Dirkie C. Myburgh
    •  & Leonard J. Barbour

  • Article
    | Open Access

    A Dirac plasma in high-mobility graphene shows anomalous magnetotransport and giant magnetoresistance that reaches more than 100 per cent in a low magnetic field at room temperature.

    • Na Xin
    • , James Lourembam
    •  & Alexey I. Berdyugin

  • Article
    | Open Access

    A single-element ferroelectric state is observed in a black phosphorus-like bismuth layer, in which the ordered charge transfer and the regular atom distortion between sublattices happen simultaneously and ferroelectric switching is further visualized experimentally.

    • Jian Gou
    • , Hua Bai
    •  & Andrew Thye Shen Wee

  • Article |

    By creating nanosized grains and defects in lanthanum trihydride, its electronic conductivity can be suppressed, transforming it into a superionic conductor at −40 °C with a record high H− conductivity.

    • Weijin Zhang
    • , Jirong Cui
    •  & Ping Chen

  • Article |

    Suppression of shallow traps responsible for dark count rates in polycrystalline methylammonium lead triiodide using diphenyl sulfide enables the production of metal-halide perovskite photon-counting detectors that allow sensitive detection of γ-ray spectra.

    • Ying Zhou
    • , Chengbin Fei
    •  & Jinsong Huang

  • Article |

    A LaCl3-based lithium superionic conductor is developed that has excellent interfacial compatibility with lithium metal electrodes, with its optimized Li0.388Ta0.238La0.475Cl3 electrolyte exhibiting good Li+ conductivity and low activation energy.

    • Yi-Chen Yin
    • , Jing-Tian Yang
    •  & Hong-Bin Yao

  • Research Briefing |

    The number of distinguishable conductance levels in memristor devices — electronic components that store information without power — has been limited by noise. An understanding of the source of the noise, and development of an effective denoising process, have now enabled 2,048 conductance levels to be achieved in memristors in large arrays fabricated in a chip factory.

  • Article |

    Tracking the formation of cubic ice (ice Ic) using transmission electron microscopy and low-dose imaging shows preferential nucleation of ice Ic at low-temperature interfaces and two types of stacking disorder.

    • Xudan Huang
    • , Lifen Wang
    •  & Xuedong Bai

  • Article |

    Chips with 256 × 256 memristor arrays that were monolithically integrated on complementary metal–oxide–semiconductor (CMOS) circuits in a commercial foundry achieved 2,048 conductance levels in individual memristors.

    • Mingyi Rao
    • , Hao Tang
    •  & J. Joshua Yang

  • Article |

    A self-assembled monolayer of (4-(7H-dibenzo[c,g]carbazol-7-yl)butyl)phosphonic acid is integrated in wide-bandgap perovskite solar cells, which enables a high power conversion efficiency and low open-circuit voltage deficiency, as well as efficient centimetre-scale all-perovskite tandem solar cells.

    • Rui He
    • , Wanhai Wang
    •  & Dewei Zhao

  • Article
    | Open Access

    High-integration-density 2D–CMOS hybrid microchips for memristive applications are made demonstrating in-memory computation and electrical response suitable for the implementation of spiking neural networks representing an advance towards integration of 2D materials in microelectronic products and memristive applications.

    • Kaichen Zhu
    • , Sebastian Pazos
    •  & Mario Lanza

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