Search

Investigating the inner structure of baryons is important to further our understanding of the strong interaction. Here, the BESIII Collaboration extracts the absolute value of the ratio of the electric to magnetic form factors and its relative phase for e + e − → J/ψ → ΛΣ decays, enhancing the signal thanks to the vacuum polarisation effect at the J/ψ peak.

A scanning tunnelling microscopy study of monolayer FeSe on strontium titanate reveals that this intriguing system has a plain s-wave pairing symmetry.

High-precision photoemission measurements determine that the superconducting pairing symmetry in KFe₂As₂ is the same as in other types of iron-based superconductors, despite having different features in the band structure.

Disorder may play a dominant role in determining the nonlinear Hall effect in a topological material. Here, Du et al. derive formulas of the nonlinear Hall conductivity and construct the general scaling law of the nonlinear Hall effect in a tilted two dimensional Dirac model.

To realize long-distance quantum communication it is required to have individually addressable quantum memories with programmable access to many cells. Here the authors report DLCZ-type quantum memories with 225 individually accessible memory cells in a macroscopic atomic ensemble

Tibetan adaptation to the high-altitude environment represents a case of natural selection during recent human evolution. Here the authors investigated the chromatin and transcriptional landscape of umbilical endothelial cells from Tibetan and Han Chinese donors and provide genome-wide characterization of the hypoxia regulatory network associated high-altitude adaptation.

Analysis of a set of 1,863 bursts from the repeating source FRB 20201124A provides evidence of a complicated magnetized site within about an astronomical unit from the source in a barred galaxy.

Two dimensional materials are promising for electronic applications, which await the exploration of cooperative phenomena. Here, Liu et al. report switchable ferroelectric polarization in thin CuInP₂S₆film at room temperature, demonstrating good memory behaviour with on/off ratio of ∼100 based on two-dimensional ferroelectricity.

Antiskyrmions, like skyrmions, are a form of topological spin texture, with a topological charge of opposite sign to the equivalent skyrmion with the same polarity. While antiskyrmions have been less explored, they offer some potential advantages for applications, and here, Guang et al demonstrate antiskyrmion motion within stripe domains.

The authors propose a graded ball milling strategy to improve the strength and efficiency of brittle Zintl thermoelectrics, enabling robust, high-performance modules for stable and scalable waste heat energy harvesting.

Zeolites are porous aluminosilicate molecular sieves with uniform pores of molecular dimensions that have a wide range of applications. Here authors use machine learning to guide zeolite synthesis and predict the structure and properties of faujasite zeolites from synthesis conditions.

Understanding and exploiting the redox properties of uranium is of great importance but stabilizing both low and high valent uranium ions in a preserved ligand environment remains challenging. Here, the authors report the synthesis and characterisation of a series of uranium(II–VI) complexes supported by a tripodal tris(amido)arene ligand.

Optical amplifiers based on erbium ions typically require high pump power densities to produce gain. Now, an organic optical amplifier material composed of erbium ions and a zinc-based organic chromophore is demonstrated to reach population inversion using low-power visible light.

The anisotropic electrical and optical response of materials has allowed for the development of variety of sensors, memories and other interesting devices. Here, Qi et al turn their attention to the van der Waals antiferromagnetic insulator CrPS₄, and demonstrate a very large, electrically tunable anisotropy in magnon transport, and present a multibit read-only memory based on this anisotropy.

The LHCb experiment at CERN has observed significant asymmetries between the decay rates of the beauty baryon and its CP-conjugated antibaryon, thus demonstrating CP violation in baryon decays.

Multi-modal analysis is used to generate a 3D atlas of the upper limb area of the mouse primary motor cortex, providing a framework for future studies of motor control circuitry.

This work proposes a wet-chemical etching assisted aberration-enhanced single-pulsed femtosecond laser nanolithography, named “WEALTH”, for manufacturing small-size, large-area, deep holey nanostructures, promising for emerging nanophotonic devices.

Understanding interfacial proton transport in an excited state is crucial for catalytic and diagnostic applications of nanomaterials. Here, the authors combine ultra-low-field NMR relaxometry with a light source to study the light-induced proton dissociation of graphene quantum dots.

Africa will drive much future urbanization. Using data from 1950–2020 and techniques from urban science, this study finds increasing economies of scale in land use and increasing concentrations of people in larger cities, contributing to broader patterns of urban evolution.

Topological insulators like bismuth selenide exhibit Dirac surface states in which the electron spin is locked with the crystal momentum. Using spin- and angle-resolved photoemission spectroscopy, the authors observe a new kind of coupling between the spin and orbital texture of the Dirac cones.

Electron doping is a powerful way to induce quantum phase transitions in materials and explore exotic states of matter. Here, Wen et al. present carefully-controlled potassium dosing in FeSe films and FeSe_0.93S_0.07bulk, which enhances superconductivity and induces other anomalous phases, revealing a complex phase diagram.

The ATLAS Collaboration reports a measurement of the ratio of the decay rates of W bosons to τ leptons and muons, in agreement with universal lepton couplings as postulated in the standard model of particle physics.

Perovskite manganites exhibit intriguing but poorly understood properties, including multiferroicity. Here, the authors synthesize a Ce₃Mn₈ cluster that structurally resembles a perovskite repeat unit, and use this molecular analogue to elucidate mechanisms driving bulk perovskite properties.

Nanocatalysts can undergo various dynamic phenomena that affect their activity, such as restructuring and spillover. Now, using spatially and temporally resolved imaging of individual catalytic reactions, cooperative communication between different sites within single palladium- and gold-based nanocatalysts, and between different nanocatalysts, has been observed during three distinct catalytic reactions.

The ATLAS experiment at the Large Hadron Collider reports a search for charged-lepton-flavour violation in decays of Z bosons into a τ lepton and an electron or muon of opposite charge.

The coexistence of topological and superconducting states in a single layer of FeSe on a SrTiO₃ substrate is reported.

In this Stage 2 Registered Report, Buchanan et al. show evidence confirming the phenomenon of semantic priming across speakers of 19 diverse languages.

Hybrid perovskites are highly promising for photovoltaic applications, but they are prone to decomposition. Here, the authors probe the stability of CH₃NH₃PbI₃ films in a transmission electron microscope, defining the threshold conditions to avoid damage under the electron beam, and describing a decomposition pathway.

Low effective doping of boron limits the performance of solar cells based on hydrogenated amorphous silicon. Liu et al. show that light induces the diffusion of hydrogen atoms, which activates boron doping, enabling a power conversion efficiency of over 25%.

The interaction between antiferromagnetic magnons and electrons sits at the heart of many strongly correlated systems, however, investigation has been hampered by a lack of clear-cut examples. Here, Yu et al directly observe a kink in the dispersion, a result of renormalization due to the electron-antiferromagnetic magnon interaction.

Using spin-entangled baryon–antibaryon pairs, the BESIII Collaboration reports on high-precision measurements of potential charge conjugation and parity (CP)-symmetry-violating effects in hadrons.

Modules of foldable crystalline silicon solar cells retain their power-conversion efficiency after being subjected to bending stress or exposure to air-flow simulations of a violent storm.

It is extremely difficult to separate tritium from radioactively contaminated water. Here the authors introduce catalytic hydrogen isotope exchange to water distillation, realizing excellent detritiation performance.

Kagome superconductors host a panoply of condensed matter phenomena, some of which are mediated by band topology. Here, authors use ARPES and DFT to identify type-II and type-III Dirac nodal lines, flat bands and topological surface states in the kagome metal CsTi₃Bi₅.

The ATLAS Collaboration reports the observation of the electroweak production of two jets and a Z-boson pair. This process is related to vector-boson scattering and allows the nature of electroweak symmetry breaking to be probed.

From achromatic to apochromatic X-ray lenses: a new chapter in X-ray microscopy. Our work demonstrates the first experimental realization of X-ray apochromatic lenses, paving the way for enhanced imaging and analysis capabilities in the field.

A state of matter known as a three-dimensional Dirac semimetal has latterly garnered significant theoretical and experimental attention. Using angle-resolved photoelectron spectroscopy, it is shown that Cd₃As₂ is an experimental realization of a three-dimensional Dirac semimetal that is stable at ambient conditions.

Results from the first experimental campaign of the Wendelstein 7-X stellarator demonstrate that its magnetic-field design grants good control of parasitic plasma currents, leading to long energy confinement times.

Ten years after the discovery of the Higgs boson, the ATLAS  experiment at CERN probes its kinematic properties with a significantly larger dataset from 2015–2018 and provides further insights on its interaction with other known particles.

This study reveals how infections that increase long-term dementia risk can contribute to longitudinal brain volume loss and regulate immunological proteins in plasma, and which of these proteins may drive infection-specific neurodegeneration.

Limited by challenges in light-atom imaging, microscopic investigations of ferroelectricity have used cation–cation displacements as a proxy for the true cation–anion distortions. Using electron ptychography, oxygen anions can be tracked to observe an otherwise-hidden ferroelectric mechanism in thin-film NaNbO₃, which would have appeared antiferroelectric from cations alone.

P2X3 activation requires tightening the inner pocket of the head domain (IP-HD) following ATP binding. Here the authors demonstrate that targeting the IP-HD with allosteric small molecules presents a potential strategy for the development of therapeutics for refractory chronic cough without taste abnormalities.

The BRAIN Initiative Cell Census Network has constructed a multimodal cell census and atlas of the mammalian primary motor cortex in a landmark effort towards understanding brain cell-type diversity, neural circuit organization and brain function.

Most neuronal reconstruction software can automatically trace single neuronal morphologies but tracing multiple, densely interwoven neurons is much more challenging. Here the authors develop G-Cut, a computational approach for accurate segmentation of densely interconnected neuron clusters.

Quantum electrodynamics predicts a rare process in which light is scattered by light. The ATLAS Collaboration reports signs of this elusive effect in the collisions of ultra-relativistic lead ions.

CO₂ electroreduction is a promising process for the production of high-value chemicals, but achieving high selectivities for specific products is challenging. Now, a Faradaic efficiency of 87% for acetate is achieved on a Cu/CuO_x catalyst under 58 atm CO₂(g), where high and low concentrations of dissolved CO₂(aq) and proton donor HCO₃⁻ are shown to promote acetate formation, respectively.

The measurement of the total cross-section of proton–proton collisions is of fundamental importance for particle physics. Here, the first measurement of the inelastic cross-section is presented for proton–proton collisions at an energy of 7 teraelectronvolts using the ATLAS detector at the Large Hadron Collider.