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Single-atom catalysts excel in selective hydrogenation but are limited by insufficient binding sites for larger multidentate substrates. Here, the authors report a heteronuclear Rh–Co dual-atom catalyst anchored on defective graphene, overcoming the activity–selectivity trade-off in nitrile hydrogenation.

The interaction between correlated states and the excitonic emission coherence in van der Waals moiré systems remains largely unexplored. Here, the authors report evidence of enhanced interlayer exciton emission coherence in twisted WSe₂/MoS₂ heterobilayers, attributed to exciton-exciton and exciton-electron interactions.

The nature of localized interlayer excitons (LIXs) in moiré superlattices is still elusive Here, the authors propose a donor-acceptor pair mechanism for LIXs in MoSe₂/WSe₂ heterobilayers.

Optical switching of a moiré Chern ferromagnet is demonstrated in twisted molybdenum ditelluride bilayers using continuous-wave circularly polarized light, paving the way for dissipationless spintronics and quantized Chern junction devices.

In the presence of a sufficient magnetic field, magnetofluids can resist high-speed blood flow, offering a personalized and complete strategy for left atrial appendage occlusion.

It is highly desired to explore cheap, non-toxic transition metals catalysts for semihydrogenation of acetylene. Here, isolated Cu atoms anchored onto a defective nanodiamond-graphene support exhibit robust catalytic performance in acetylene semihydrogenation in comparison with supported Cu clusters.

Barrier-free metal-semiconductor interfaces are crucial to improve the performance of 2D electronic devices. Here, the authors report a strategy to induce local bonding distortion in 2D transition metal dichalcogenides via soft oxygen plasma treatments, leading to reduced contact resistance and improved transport properties.

The correlation between charged and antiphase states in BiFeO₃ remain elusive. Here, the authors report a fabrication of in-plane charged antiphase boundaries in BiFeO₃ thin films, revealing the atomic bonding configurations and atomically sharp 180° polarization reversal of such boundaries.

A three-dimensional metal stamp can be used to selectively exfoliate two-dimensional materials, allowing the remaining material to be patterned into two-dimensional arrays without leaving chemical or polymer residues.

The authors implement on-chip Rydberg exciton-polaritons by coupling WS₂ monolayers to a photonic crystal. Rydberg polaritons exhibit a nonlinearity of 8.0 ± 2.3 times larger than that of the ground polaritonic states due mostly to their extended exciton radii and photonic crystal-induced spatially localized electric field distribution.

The authors develop a molecular dopant to avoid the dimerization of the electron-selective material phenyl-C₆₁-butyric acid methyl ester, resulting in enhanced stability and efficiency in inverted perovskite solar cells.

Moiré materials, where two van der Waals layers are stacked together with a small twist angle has proven to be a rich playground for exotic phases, with some materials, such as twisted MoTe2 being found to host quantum anomalous and fractional hall states among others. Here, An, Pan, Qiu and coauthors add to this, observing ferromagnetism in the second moiré band of twisted MoTe2.

Supported single atoms are promising catalysts for alkane dehydrogenation, although tuning their reactivity via active site modulation remains a challenge. Here the authors introduce an Ir₁–Cu₁ dual-atom catalyst for n-butane dehydrogenation that outperforms the corresponding Ir₁ single-atom system.

The preferential oxidation of CO (PROX) in hydrogen is a promising solution for hydrogen purification. Here the authors report a novel bimetallic Pt-Fe catalyst with ultralow metal loading which delivers excellent catalytic activity and selectivity in PROX, while maintains good stability for a long period.

Direct dehydrogenation has been a thematic research area resulting from the energy shortage and petroleum gas upgrading scenario. Here, the authors fabricate fully exposed Pt₃ clusters and correlate dehydrogenation activity with average coordination number of Pt-Pt bond.

Electrons hopping in two-dimensional honeycomb lattices possess a valley degree of freedom. Here, the authors observe room-temperature valley Hall transport without any extrinsic symmetry breaking in the non-centrosymmetric monolayer and trilayer MoS₂ by purely electronic means, whereas no valley signal is detected for centrosymmetric bilayer MoS₂.

The authors demonstrate electrical on/off switching of interlayer interactions in tungsten diselenide/molybdenum disulfide heterobilayers, the phase diagram of which contains layer-dependent correlated regions that reveal the role of strong correlations in interlayer exciton dynamics.

Haspin phosphorylates histone H3 threonine 3 (H3T3) to ensure proper progression through mitosis. Here the authors describe how Haspin engages a nucleosomal DNA supergroove, using electrostatic interactions, thereby promoting H3T3 phosphorylation.

Symbiotic nitrogen fixation (SNF) in legumes is suppressed by the presence of soil inorganic. nitrogen (N). Here the authors characterize a transcriptional regulatory network underlying the N-inhibition of SNF in soybean nodules.

Carbon materials are promising for perovskite solar cells but suffer from poor interfacial energy level alignment. Now, Zhang et al. show that Ti atomically dispersed in reduced graphene reduces energy losses improving device performance.

This study shows that optimizing soybean nodulation, rather than supernodulation, through editing improves N and C assimilation by balancing source–sink relationships. As a result, soybean yield and protein content are simultaneously increased in field conditions.

We added out-of-plane cations to homogenize the distribution of cations in perovskite films, resulting in a solar cell with improved efficiency and stability.

Single-site pincer-ligated iridium complexes exhibit the ability for C-H activation but suffer from instability and difficulty in catalyst recycling. Here the authors design an atomically dispersed Ir catalyst which can be considered the bridge between homogeneous and heterogeneous catalysis and displays an outstanding catalytic performance in n-butane dehydrogenation.

High-quality crystalline two-dimensional layers of metal halides can be on mica, MoS₂ or WS₂ at temperatures below 400 °C.

Control of the phases associated with the metal-insulator transition in VO₂ underpins its applications as a phase change material. Here, the authors report phase management by means of oxide inhibitor-assisted growth and present high-performance VO₂ actuators based on asymmetric phase transition routes.

The selective hydrogenation of nitriles to prepare corresponding amines is highly desired in chemistry industry. Here, the authors selectively obtained secondary amines and primary amines over two types of atomically dispersed Pd catalysts supported on the nanodiamond-graphene hybrid support.