Techniques and instrumentation articles within Nature

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  • Article
    | Open Access

    A high-sensitivity, broadband, transient, full-Stokes spectroscopy setup is demonstrated, which can detect quickly varying small signals from chiral emitters.

    • Antti-Pekka M. Reponen
    • , Marcel Mattes
    •  & Sascha Feldmann

  • Article |

    In situ vibrational electron energy-loss spectroscopy is used to examine phonon transport dynamics across the AlN–SiC interface during thermal transport at sub-nanometre resolution, demonstrating a sharp temperature drop within about 2 nm across the interface.

    • Fachen Liu
    • , Ruilin Mao
    •  & Peng Gao

  • Article |

    A digital restoration technique for damaged paintings was developed, in which a colour-accurate bilayer mask of printed pigments on polymeric films was used, reducing treatment time and cost while adhering to ethical conservation principles.

    • Alex Kachkine

  • Article
    | Open Access

    A precise structure measurement of liquid carbon at pressures of around 1 million atmospheres obtained by in situ X-ray diffraction at an X-ray free-electron laser shows a complex fluid with transient bonding and approximately four nearest neighbours on average.

    • D. Kraus
    • , J. Rips
    •  & M. I. McMahon

  • Article
    | Open Access

    The successful transport of a trapped proton cloud from the antimatter factory of CERN using a transportable, superconducting, autonomous and open Penning-trap system that can distribute antiprotons into other experiments is reported.

    • M. Leonhardt
    • , D. Schweitzer
    •  & C. Smorra

  • Article
    | Open Access

    Generalization of a quantum twisting microscope to cryogenic temperatures in twisted bilayer graphene shows the ability to map phononic dispersions through inelastic momentum-conserving tunnelling and reveals an angle-dependent coupling between electrons and phonons.

    • J. Birkbeck
    • , J. Xiao
    •  & S. Ilani

  • Article
    | Open Access

    A new non-destructive spectroscopic method, ptychographic X-ray linear dichroic orientation tomography, is described, allowing the intragranular and intergranular characterization of extended polycrystalline and non-crystalline materials in three dimensions with nanoscale spatial resolution.

    • Andreas Apseros
    • , Valerio Scagnoli
    •  & Johannes Ihli

  • Article
    | Open Access

    Nanoscale imaging and control of altermagnetism in manganese telluride is achieved, paving the way for the experimental realization of the theoretically predicted field of altermagnetism.

    • O. J. Amin
    • , A. Dal Din
    •  & P. Wadley

  • Article |

    The bulk–edge correspondence is directly imaged in a fractional Chern insulator at zero magnetic field with exciton-resonant microwave impedance microscopy, revealing spatially resolved bulk and edge characteristics, and the evolution of topological states in twisted MoTe2.

    • Zhurun Ji
    • , Heonjoon Park
    •  & Zhi-Xun Shen

  • Article
    | Open Access

    The collective-flow-assisted nuclear shape-imaging method images the nuclear global shape by colliding them at ultrarelativistic speeds and analysing the collective response of outgoing debris.

    • M. I. Abdulhamid
    • , B. E. Aboona
    •  & M. Zyzak

  • Article
    | Open Access

    Dynamic interface printing is a new form of 3D printing that leverages an acoustically modulated, constrained air–liquid boundary to rapidly generate centimetre-scale 3D structures within tens of seconds.

    • Callum Vidler
    • , Michael Halwes
    •  & David J. Collins

  • Article |

    The development of advanced polymer electrochemical liquid cells for transmission electron microscopy allows direct monitoring of the atomic dynamics of electrified solid–liquid interfaces during copper-catalysed CO2 electroreduction reactions.

    • Qiubo Zhang
    • , Zhigang Song
    •  & Haimei Zheng

  • Article |

    The charge-density-wave state in RbV3Sb5 can be optically manipulated by applying linearly polarized light along high-symmetry directions, which demonstrates the potential of light as a control knob to manipulate complex quantum phenomena in correlated materials.

    • Yuqing Xing
    • , Seokjin Bae
    •  & Vidya Madhavan

  • Article |

    Assessment of surface contamination shows that trace oxygen is a key factor influencing the trajectory and quality of graphene grown by low-pressure chemical vapour deposition, with oxygen-free synthesis showing increased reproducibility and quality.

    • Jacob Amontree
    • , Xingzhou Yan
    •  & James Hone

  • Article |

    Inspired by the human visual system, a vision chip with primitive-based complementary pathways is developed to overcome the power and bandwidth wall of vision systems, achieving fast, precise, robust and high-dynamic-range sensing efficiently in the open world.

    • Zheyu Yang
    • , Taoyi Wang
    •  & Luping Shi

  • Article |

    Enhanced light–molecule interactions in high-finesse fibre-based Fabry–Pérot microcavities are used to detect and profile individual unlabelled solution-phase biomolecules, leading to potential applications in the life and chemical sciences.

    • Lisa-Maria Needham
    • , Carlos Saavedra
    •  & Randall H. Goldsmith

  • Article
    | Open Access

    We introduce a scalable, high-resolution, 3D printing technique for the fabrication of shape-specific particles based on roll-to-roll continuous liquid interface production, enabling direct integration within biomedical, analytical and advanced materials applications.

    • Jason M. Kronenfeld
    • , Lukas Rother
    •  & Joseph M. DeSimone

  • Article |

    A quasi-true time delay is demonstrated for a microwave device implemented in a CMOS technology to miniaturize true-time-delay components of beam-steering systems, addressing the fundamental channel-capacity limitations and increasing data transmission in wireless communications.

    • Bala Govind
    • , Thomas Tapen
    •  & Alyssa Apsel

  • Article
    | Open Access

    We demonstrate a photon-counting approach that extends the unique advantages of spectroscopy with interfering frequency combs into regions where nonlinear frequency conversion tends to be very inefficient, providing a step towards precision broadband spectroscopy at short wavelengths and extreme-ultraviolet dual-comb spectroscopy.

    • Bingxin Xu
    • , Zaijun Chen
    •  & Nathalie Picqué

  • Article |

    A plasma set-up consisting of a pair of carbon-fibre-tip-enhanced electrodes enables the generation of a uniform, ultra-high temperature and stable plasma (up to 8,000  K) at atmospheric pressure using a combination of vertically oriented long and short carbon fibres.

    • Hua Xie
    • , Ning Liu
    •  & Liangbing Hu

  • Article
    | Open Access

    An autonomous laboratory, the A-Lab, is presented that combines computations, literature data, machine learning and active learning, which discovered and synthesized 41 novel compounds from a set of 58 targets after 17 days of operation.

    • Nathan J. Szymanski
    • , Bernardus Rendy
    •  & Gerbrand Ceder

  • Article |

    A high-throughput, non-contact framework is described that uses the laser-induced vibrational signatures of metamaterials to non-destructively quantify their omnidirectional elastic information, dynamic linear properties, damping properties and defects.

    • Yun Kai
    • , Somayajulu Dhulipala
    •  & Carlos M. Portela

  • Article |

    In situ liquid-cell electrochemical transmission electron microscopy allows the direct visualization of the transformation of lithium polysulfides over electrode surfaces at the atomic scale, leading to a new energy-storage mechanism in lithium–sulfur batteries.

    • Shiyuan Zhou
    • , Jie Shi
    •  & Hong-Gang Liao

  • Article |

    Spectroscopic measurements of individual rare-earth ion electron spins are performed by detecting their microwave fluorescence, with the method coming close to practical single-electron spin resonance at millikelvin temperatures.

    • Z. Wang
    • , L. Balembois
    •  & E. Flurin

  • Article |

    Using a specialized tip as a detector, the fingerprints of a single atom of iron and terbium are observed in synchrotron X-ray absorption spectra, allowing elemental and chemical characterization one atom at a time.

    • Tolulope M. Ajayi
    • , Nozomi Shirato
    •  & Saw-Wai Hla

  • Article
    | Open Access

    The authors introduce a single-molecule DNA-barcoding method, resolution enhancement by sequential imaging, that improves the resolution of fluorescence microscopy down to the Ångström scale using off-the-shelf fluorescence microscopy hardware and reagents.

    • Susanne C. M. Reinhardt
    • , Luciano A. Masullo
    •  & Ralf Jungmann

  • Article |

    The authors report on the radiative decay of a low-energy isomer in thorium-229 (229mTh), which has consequences for the design of a future nuclear clock and eases the search for direct laser excitation of the atomic nucleus.

    • Sandro Kraemer
    • , Janni Moens
    •  & Ulrich Wahl

  • 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

  • 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 |

    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 |

    Self-limited assembly of 'imperfect' chiral nanoparticles enables formation of bowtie-shaped microparticles with size monodispersity and continuously variable chirality to be used for printing photonically active metasurfaces.

    • Prashant Kumar
    • , Thi Vo
    •  & Nicholas A. Kotov

  • Article |

    A quantum twisting microscope based on a unique van der Waals tip and capable of performing local interference experiments opens the way for new classes of experiments on quantum materials.

    • A. Inbar
    • , J. Birkbeck
    •  & S. Ilani

  • Article
    | Open Access

    Nanoscale magnetic fluctuations are spatiotemporally resolved beyond conventional resolution limits using coherent correlation imaging, in which frames in Fourier space are recorded and analysed using an iterative hierarchical clustering algorithm.

    • Christopher Klose
    • , Felix Büttner
    •  & Bastian Pfau

  • Article |

    An additive manufacturing technique that infuses 3D printed hydrogels with metallic precursors leads to metallic micromaterials, providing new opportunities for the fabrication of energy materials, micro-electromechanical systems and biomedical devices.

    • Max A. Saccone
    • , Rebecca A. Gallivan
    •  & Julia R. Greer

  • Article
    | Open Access

    A meta-imaging sensor detects an extra-fine 4D light field distribution using a vibrating microlens array, enabling high-resolution 3D photography up to a gigapixel with fast aberration correction, demonstrated on a telescope aimed at the Moon.

    • Jiamin Wu
    • , Yuduo Guo
    •  & Qionghai Dai

  • Article
    | Open Access

    Stochastic cooling at optical frequencies is demonstrated in an experiment at the Fermi National Accelerator Laboratory’s Integrable Optics Test Accelerator, substantially increasing the bandwidth of stochastic cooling compared with conventional systems.

    • J. Jarvis
    • , V. Lebedev
    •  & A. Valishev

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