News & Comment

  • News & Views |

    Physicists are searching for superconducting materials that can host Majoranas. New evidence for these elusive particles is provided by missing Shapiro steps in a Josephson effect mediated by an accidental Dirac semimetal.

    • Fan Zhang
    •  & Wei Pan
  • News & Views |

    The metallic state of an iron chalcogenide superconductor is demonstrated to be characterized by the simultaneous presence of itinerant carriers with different degrees of correlation. This orbital-selective metal arises from a sizeable Hund’s coupling.

    • Massimo Capone
  • News & Views |

    Line defects in two-dimensional borophene can self-assemble into new crystalline phases, blurring the distinctions between perfect and defective crystal.

    • Arkady V. Krasheninnikov
  • News & Views |

    A quantitative description of sound wave propagation in suspensions of self-propelled colloidal particles is achieved by combining microfluidics, video microscopy and theory.

    • Jörn Dunkel
  • News & Views |

    The van der Waals material Fe3–xGeTe2 is shown to be a strong candidate for a ferromagnetic nodal-line semimetal with a very large anomalous Hall effect.

    • D. A. Pesin
  • News & Views |

    An orally administered bifunctional gastrointestinal coating has been developed and shown to limit nutrient absorption through the bowel mucosa ultimately lowering blood glucose and also acting as a platform for delivery of drugs to the gastrointestinal tract.

    • Gregor Fuhrmann
  • Editorial |

    Treating living matter as a material has immense biomedical potential, but it’s worth acknowledging how the notion unsettles longstanding preconceptions and raises challenging new questions.

  • News & Views |

    Magnetization in magnetoresistive memory devices can be controlled at room temperature by spin–orbit torques originating from the surface states of topological insulators.

    • Chi-Feng Pai
  • Editorial |

    Lessons learnt from Horizon 2020 and a determination to become a world-class hub for entrepreneurship form the basis of the European Commission’s ambitious Research and Innovation budget.

  • News & Views |

    Single-particle tracking of nanoparticles dispersed in the cytoplasm of living cells shows that non-specific interactions with the intracellular environment are the major contributors for the anomalous diffusion characteristics of intracellular motion.

    • Matthias Weiss
  • News & Views |

    Charge order has been established as a ubiquitous instability of the underdoped copper-oxide superconductors. New investigations reveal that it extends to the overdoped side of the phase diagram, a region otherwise known to host a conventional Fermi liquid state.

    • Jonathan Pelliciari
    •  & Riccardo Comin
  • News & Views |

    Angle-resolved photoemission spectroscopy of MoS2 doped with Rb atoms unveiled the existence of polarons, whose presence seems to coincide with the onset of superconductivity.

    • Kai Rossnagel
  • News & Views |

    A means of reversibly switching spin conductance on or off is demonstrated and brings spintronics using pure spin currents — a prime candidate for the next generation of low-power microelectronic devices — a step closer.

    • Peter Wadley
  • News & Views |

    A micropatterned human pluripotent stem cell-based developmental model was utilized to demonstrate the role of biophysical cues such as cell size and cytoskeletal contractile forces in directing patterning of neuroepithelial and neural plate border cells.

    • Mukul Tewary
    •  & Peter W. Zandstra
  • News & Views |

    A paradigm relating ultrahigh piezoelectricity and multiscale inhomogeneous structure in relaxor ferroelectrics emerges from state-of-the-art neutron and X-ray diffuse scattering measurements.

    • Hiroyuki Takenaka
    • , Ilya Grinberg
    •  & Andrew M. Rappe
  • News & Views |

    An injectable biomaterial with angiogenic and immune-modulatory properties was developed and shown to support brain tissue repair and functional recovery in a mouse model of stroke.

    • Anup Tuladhar
    •  & Molly S. Shoichet
  • Editorial |

    Large-scale, environmentally friendly hydrogen production will rely on steam methane reforming coupled with carbon capture and electrolysis, but solar fuels could have a disruptive role to play.

  • News & Views |

    By transferring the symmetry conditions of electric polarization patterns to the field of magnetism, a particularly stable magnetic configuration is obtained that could be interesting for voltage-controlled magnetic devices.

    • Manfred Fiebig
  • News & Views |

    Monatomic glassy antimony can now be achieved via melt-quenching in a nanoconfined volume in a device setting. In contrast to alloys currently used in phase-change memories, deviation from optimized composition is no longer an issue in this simple material.

    • Wei Zhang
    •  & Evan Ma
  • News & Views |

    A two-step deposition method has been developed that enables the conformal coating of textured surfaces with perovskite films. This allows the realization of perovskite/silicon tandem solar cells with increased short-circuit current density.

    • Anita Ho-Baillie
  • News & Views |

    Advanced characterization and modelling techniques provide unique insights into oxidant transport processes in growing scales of high-temperature alloys and alloy design for improving their degradation resistance in harsh environments.

    • Brian Gleeson
  • News & Views |

    By inserting potassium into a 3D metal–organic framework band delocalization occurs, enabling mobilities and conductivities similar to organic polymers.

    • A. Alec Talin
    •  & François Léonard
  • News & Views |

    By using high-concentration salt in electrolyte, water is replaced in the zinc solvation-sheath and a zinc anode is developed with high reversibility and stability

    • Enyuan Hu
    •  & Xiao-Qing Yang
  • News & Views |

    Spin currents in magnetic trilayers exhibit an unexpected spin polarization that facilitates current-induced switching of magnetization.

    • Frank Freimuth
  • Feature |

    Camille M. Le Gall, Jorieke Weiden, Loek J. Eggermont and Carl G. Figdor provide an overview of immunotherapeutics for cancer treatment that harness dendritic cells, their challenges in clinical use, and approaches employed to enhance their recruitment and activation to promote effective anti-tumour immunity.

    • Camille M. Le Gall
    • , Jorieke Weiden
    • , Loek J. Eggermont
    •  & Carl G. Figdor
  • Feature |

    Darrell Irvine provides an overview of the recent advances in materials science that have enabled the use of innovative natural and synthetic compounds in vaccine development capable of regulating the potency and safety of new vaccines progressing towards the clinic.

    • Darrell Irvine
  • Feature |

    Tumour heterogeneity and off-target toxicity are current challenges of cancer immunotherapy. Karine Dzhandzhugazyan, Per Guldberg and Alexei Kirkin discuss how epigenetic induction of tumour antigens in antigen-presenting cells may form the basis for multi-target therapies.

    • Karine N. Dzhandzhugazyan
    • , Per Guldberg
    •  & Alexei F. Kirkin
  • Editorial |

    As the interaction of the immune system with the tumour microenvironment becomes increasingly understood, more evidence indicates how immunotherapy can be employed to better eliminate cancers.

  • News & Views |

    A strategy to enhance antigen immunogenicity was developed by adsorption of polyethyleneimine on a mesoporous silica microrod vaccine for the presentation of tumour viruses and neoantigens, demonstrating their ability to drive anti-tumour immunity.

    • Cornelis J. M. Melief
  • Feature |

    Heavy atoms and crystal or inversion symmetry breaking may promote Rashba effects in halide perovskites. Sam Stranks and Paulina Plochocka propose experiments to assess the existence of these effects and their implications on the photophysics of perovskites.

    • Samuel D. Stranks
    •  & Paulina Plochocka
  • News & Views |

    Microbial gas vesicles have been developed for use as MRI contrast agents whose contrast can be inactivated by applying ultrasound waves to collapse the vesicles.

    • Jeff W. M. Bulte
  • News & Views |

    Voltage control of recently discovered two-dimensional magnets has been demonstrated, highlighting their potential for low-power data storage.

    • Ajit Srivastava
  • Comment |

    Solar cells based on metal halide perovskites continue to approach their theoretical performance limits thanks to worldwide research efforts. Mastering the materials properties and addressing stability may allow this technology to bring profound transformations to the electric power generation industry.

    • Henry J. Snaith
  • Feature |

    Kiyoshi Miyata and X.-Y. Zhu analyse the ferroelectric-like dielectric response of lead halide perovskites in the terahertz region and discuss the potential role of polar nanodomains in accounting for the defect tolerance and low recombination rates of these materials.

    • Kiyoshi Miyata
    •  & X.-Y. Zhu
  • Feature |

    Charge carriers in metal halide perovskites seem to be only marginally affected by defect-related trap states. Filippo De Angelis and Annamaria Petrozza suggest that the key to this behaviour lies in the redox chemistry of halide defects.

    • Filippo De Angelis
    •  & Annamaria Petrozza
  • Feature |

    Claudine Katan, Aditya D. Mohite and Jacky Even discuss the possible impact of various entropy contributions (stochastic structural fluctuations, anharmonicity and lattice softness) on the optoelectronic properties of halide perovskite materials and devices.

    • Claudine Katan
    • , Aditya D. Mohite
    •  & Jacky Even
  • Editorial |

    Whether you like exploring the mysteries of light–matter interactions, playing with a versatile chemical platform, or developing the most efficient devices, metal halide perovskites could be the materials for you.

  • News & Views |

    Using a thin-film geometry and electric-field-driven enhancement of pyroelectric response, a relaxor ferroelectric is shown to display superior power densities for thermal harvesting.

    • Joseph P. Feser
    •  & Jayakanth Ravichandran
  • News & Views |

    Unlike conventional inorganic semiconductors, which are typically brittle, α-Ag2S exhibits room-temperature ductility with favourable electrical properties, offering promise for use in high-performance flexible and stretchable devices.

    • Dae-Hyeong Kim
    •  & Gi Doo Cha
  • News & Views |

    A theoretical framework for the design of so-called perturbative metamaterials, based on weakly interacting unit cells, has led to the experimental demonstration of a quadrupole topological insulator.

    • Michel Fruchart
    •  & Vincenzo Vitelli