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Optically active semiconductor quantum dots have so far suffered from nuclear inhomogeneity limiting all dynamical decoupling measurements to a few microseconds. Lattice-matched GaAs–AlGaAs quantum dots now enable decoupling schemes to achieve a 0.11 ms spin coherence time.

Two Co single crystal surfaces remain metallic up to 1 bar during Fischer-Tropsch synthesis. The observed intermediates support the carbide mechanism as the reaction pathway. By adding and removing CO we can follow the dynamics of the (dis)appearance of intermediates.

Future quantum communication technologies require entanglement between stationary and flying qubits, in systems that are inherently scalable. To this end, De Greveet al.present full state tomography of a qubit pair formed by entangling a quantum dot spin and a photon, with a fidelity of over 90%.

Pulse-excited resonance-fluorescence single-photons are generated on demand from a single quantum dot embedded in a microcavity under s-shell excitation with an ultrafast laser source.

While transition metals commonly coordinate and substitute hydrocarbons, such reactivity is rare for first-row p-block elements. Now it has been shown that a monovalent boron system can coordinate olefins and mediate their liberation and functionalization through borylene–olefin π complexes.

A high-resolution spectroscopic tool is demonstrated using the stochastically fluctuating intensity spikes in time and energy domains of a self-amplified spontaneous emission X-ray free-electron laser.

The study reveals strikingly different nonlinear Rabi splitting dynamics in MoSe₂ monolayers and (Ga,In)As quantum wells, highlighting the pivotal role of Coulomb interactions in shaping light–matter coupling in two-dimensional semiconductors.

Electron spin in quantum dots are extensively studied as a qubit for quantum information processing. However, the coherence of electron spin is deleteriously influenced by nuclear spin. Quantum-dot holes are a potential alternative. Full control over hole-spin qubits is now achieved using picosecond lasers.

Colloidal quantum dots may be used in a variety of emerging technologies, particularly if charged states can be stabilized. Here, cadmium selenide core-shell nanocrystals are engineered for trion emission at low temperatures, and their finite size introduces an acoustic phonon bottleneck, inhibiting spin relaxation.

The researchers showcase all-crystalline and hybrid mid-infrared supermirrors with the lowest optical losses ever demonstrated in this wavelength range, representing an unprecedented improvement over any existing mirrors made with any production technology.

Quantum communication requires quantum correlations between the information processing units and the information carrying units. Here, the authors use time-bin encoding and frequency downconversion to telecom wavelengths to achieve kilometre-scale spin-photon correlations.

Interleukin-1β is a pro-inflammatory cytokine of medical importance. Here the authors describe the discovery of a low-molecular weight compound that antagonizes hIL-1β function in cells, demonstrating the relevance of this discovery for future development of hIL-1β directed therapeutics.

Electrodes exhibiting single-phase lithium insertion processes can be advantageous for storage applications such as lithium-ion batteries. By modifying the particle size and ion ordering of LiFeFO₄ electrodes an unprecedented single-phase room-temperature process is observed.

Epicardial engineered heart muscle allografts from induced pluripotent stem cell-derived cardiomyocytes can safely and effectively remuscularize chronically failing hearts in rhesus macaques, leading to improved cardiac function and paving the way for human clinical trials.

Establishing structure–activity relationships is crucial for the design of improved catalysts. Now, by developing a method based on electrochemical scanning tunnelling microscopy, the active sites of graphene/iron/platinum interfaces are visualized with atomic-scale precision in real time during the hydrogen evolution reaction.

To realize electronic operations beyond the von Neumann bottleneck, a new type of switch that can mimic self-learning is needed. Here, the authors demonstrate all-in-one-place logic and memory operations based on dynamic molecular switch that can emulate brain-like synaptic and Pavlovian response, bringing the field a step closer to molecular-scale hardware.

Nanostructured zeolites were synthesized without hydrophilic silanol groups, and without fluoridation, via the introduction of atomically dispersed tungsten. This resulted in improved catalytic and gas separation properties.

Entanglement of the spin of an electron in a semiconductor quantum dot with a single photon is reported, and verified by means of time-resolved frequency downconversion to a telecommunications wavelength; this process is an essential requirement for future quantum networks.

This Review discusses the biodiversity effects of onshore wind energy generation (including changes to land and aerial habitats, altered wildlife behaviour and wildlife fatalities) and present and future opportunities to mitigate these impacts as the technology grows rapidly worldwide.

Exsolved metal nanoparticles are widely believed to exhibit an exceptional robustness against coarsening. Here, the authors demonstrate that the coarsening behavior depends on the surface defect chemistry of the respective oxide support as well as the oxophilicity of the exsolved metal.

Time-resolved X-ray scattering is utilized to demonstrate an ultrafast 300 ps topological phase transition to a skyrmionic phase. This transition is enabled by the formation of a transient topological fluctuation state.

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.

Energy alignment in molecular tunnelling junctions is desirable for altering their electrical properties, however controllability is still an issue. Here the authors report a 2 orders-of-magnitude increase in the tunnelling current via chemical control of the energy-level alignment at a two-terminal junction.

Authors present a centimeter-scale miniaturized Raman spectrometer using cheap nonstabilized laser diodes, densely packed optics, and non-cooled small sensors while the performance is comparable with expensive bulky research-grade Raman systems.

Europe’s aviation must reduce more than just flight CO₂ emissions to achieve net-zero. Synthetic fuels and carbon capture and storage could help but decreasing air traffic is crucial due to non-CO₂ climate impacts and resource constraints.

The electronic coupling between the active components and electrodes in molecular electronics determines the device performance. Here, Yuan et al. show that a non-covalent coupling is sufficiently strong to induce molecular-based rectification, while weak enough to minimize leakage current.

The costs of echolocation during flight were thought to be negligible for bats, but here it is shown that this is true only below a certain intensity threshold. Above 130 dB, the costs of sound production become too expensive for small bats.

Here, the authors investigate excitonic transitions in mono- and multi-layer WSe₂ and MoSe₂ by time-resolved Faraday ellipticity (TRFE) with in-plane magnetic fields, and attribute the oscillatory TRFE signal in the multilayer samples to pseudospin quantum beats of excitons, a manifestation of spin- and pseudospin layer locking.

The structure and function of the MCR activation complex from Methanococcus maripaludis were revealed, demonstrating its ATP-dependent ability to activate MCR and form methane while uncovering a unique electron transfer pathway involving iron–sulfur clusters similar to the nitrogenase cofactor intermediates.

Charge transport in molecular junctions can be incoherent, yet virtually independent of temperature.

To date the performance of molecular electronics compared to silicon limits their applications. Yang et al. develop the first mechano-optoelectronic switch based on mechanically controlled aggregation-induced emission of the self-assembled molecules, which can be reversibly switched at high speed.

Understanding the structure of domain walls is an important step in developing nanoscale ferroelectric devices. Here, the authors use second harmonic imaging to verify predictions of Bloch and Néel, rather than simple Ising, domain wall structures in lead zirconium titanate and lithium tantalate.

Responsiveness in metal-organic frameworks involving amorphous phases remains poorly understood. Here, the authors demonstrate MOFs that reversibly switch between well-defined crystalline and structurally degenerate amorphous states mediated by competing intra-framework forces.

For molecular magnets and qubits, coupling between vibrations and electronic spins has a strong influence on spin state lifetime. Here, Kragskow et al present direct measurements of the vibronic transitions in a molecular magnet, showing the critical role of an “envelope effect” in the spectra.

Aperiodic tessellation is an important concept not only in art and mathematics, but also in materials science. Here the authors report on aperiodic tiling through two-dimensional molecular self-assembly on a surface involving dynamic chirality.

AMPK regulates cellular energy balance using its γ subunit as an energy sensor of cellular AMP and ADP to ATP ratios. Here, the authors show that γ2 AMPK activation lowers heart rate by reducing the activity of pacemaker cells, whereas loss of γ2 AMPK increases heart rate and prevents the adaptive bradycardia of endurance training in mice.

Ongoing hydrogen loss from two sibling exoplanets provides support for the role of such hydrogen loss in the evolution of close-orbiting sub-Neptunes.

Whilst terahertz optical spectroscopy allows for the study of coupled spin and lattice excitations, it is limited in momentum space. Here, the authors use inelastic x-ray scattering to demonstrate strong magnon-phonon coupling and electromagnon excitations across the Brillouin zone of LiCrO₂.

The mesoSPIM is an open hardware axially scanned light-sheet microscope for the rapid imaging of large cleared samples with isotropic resolution.

In photosynthesis the oxidation of water is a requirement for providing sufficient protons and electrons for fuel formation. A biphasic water splitting catalyst tailored for integration with high-performance semiconductor photoanodes is now reported.

The protein complexes associated with specific chromatin marks in living cells are identified using engineered binding proteins.

Removing the large inverted repeat region from the chloroplast genome revealed a gene dosage benefit for the ribosomal RNA operon. The reduced genome size resulted in increased genome copy numbers and offers potential for synthetic biology.