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In two-dimensional spin-polarized systems, the valleys in the conduction bands could be useful for spintronics applications if they can be efficiently spin polarized. Here, the authors exploit the Rashba effect to achieve 100% spin-polarized valleys on a silicon surface loaded with thallium.

Electronic and interlayer correlations are expected to affect the electronic and optical properties of transition metal dichalcogenides. Here, by using spectroscopic ellipsometry in the broad energy range, the authors uncover new electronic transitions and correlated plasmons in bulk MoS₂.

Ammonia assisted NOx reduction over Cu-exchanged chabazite requires paired \({[{{{\rm{Cu}}}}{({{{{\rm{NH}}}}}_{3})}_{2}]}^{+}\) complexes. Here, a machine-learning force field is developed to investigate the influence of aluminium distribution on the diffusion mechanisms and pairing of \({[{{{\rm{Cu}}}}{({{{{\rm{NH}}}}}_{3})}_{2}]}^{+}\) complexes.

How cortical areas interact via feedforward and feedback signaling remains unclear. Here, the authors recorded from V1 and V2/V4 in macaque visual cortex and found that feedforward and feedback interactions vary with stimulus drive and involve different neuronal population activity patterns.

Direct and real-time observation of the excess holes in an element-specific and energylevel-specific manner is a challenging task. Here the authors present a complete hole dynamics of photo-excited anatase TiO₂ with 100 femto-second resolution.

The influence of spin-orbit coupling on the hybridization of Shiba states in dimers of magnetic atoms on superconducting surfaces remains unexplored. Here, the authors reveal a splitting of atomic Shiba orbitals due to spin-orbit coupling and broken inversion symmetry in antiferromagnetically coupled Mn dimers placed on a Nb(110) surface.

The knowledge of the electronic structure of composite material is essential for tailoring their properties. The authors introduce a method based on standing wave angle-resolved hard X-ray photoemission to determine the element- and momentum-resolved electronic band structure simultaneously.

Impurities and vacancies are commonly found within the crystalline lattice of transition metal dichalcogenides, however they are usually seen as detrimental for their optical properties. Here, the authors demonstrate that sulfur vacancies in MoS₂can give rise to a near-infrared emission peak.

Benzene reduction by molecular complexes remains a considerable synthetic challenge, and typically requires harsh reaction conditions involving group I metals. Now it has been shown that a highly polar organometallic samarium alkyl complex enables the reduction of benzene to its tetra-anion without the need for a group I metal.

A cell-sorting method leveraging leucine zippers allows for the generation of T cells displaying multiple chimaeric antigen receptors as well as receptors converting inhibitory signals into stimulatory signals.

The direct observation of spin Berry curvature, an important aspect of non-trivial band topology, has not been achieved in quantum materials. Now it is observed in a bilayer Kagome metal.

The coupling of carbon monoxide molecules is an attractive prospect for organic synthesis, but only a few metal complexes are known to do this. A compound containing a boron–boron triple bond has now been shown to induce the coupling of four CO molecules, through an intermediate with a single CO.

X-ray spectroscopy offers element-selective probes of diverse (bio)chemical systems. Close coupling of experiment with ab initio calculations unveils the rich electronic structural information available and facilitates practical, chemical interpretation of spectra, as discussed in this Review.

Promethium remains the least studied element among the lanthanide series because of its scarcity and radiolytic nature. Here, the authors report two new isostructural 2,2’:6’,2”-terpyridine compounds of ¹⁴⁷Pm and ²⁴⁸Cm.

Understanding the factors that determine the properties of permanent magnets, which play a central role in many industrial applications, can help in improving their performance. Here, the authors study how changes in the iron content affect the microstructure of samarium cobalt magnets.

Ions in salt solutions perturb the hydrogen bonding between the surrounding water molecules, altering the properties of water, but how ion polarity affects this is not fully understood. By monitoring the dissipation of terahertz energy in salt solutions, it has now been shown that intermolecular rotational-to-translational energy transfer is enhanced by highly charged cations and reduced by highly charged anions.

Low-cost conversion cathodes are promising for future all-solid-state battery technology, but their poor electronic and ionic conductivity restrict reactions to three-phase boundaries. By using mixed ionic–electronic conductors, conversion reactions can be initiated at two-phase boundaries, resulting in enhanced discharge capacity and lifespan.

The conductance of single-molecule junctions based on oligoacenes is shown to saturate when the molecule length increases. The saturation trend depends on the frontier orbitals of the metals used and on their hybridization with molecular π-orbitals.

Designing complex concentrated alloys with targeted properties for high performance remains challenging because of their complex local atomic environments. Here, the authors show how to engineer atomic-level pressure to customize complexity-induced properties such as solid-solution strengthening.

Atomically-clean interfaces are required in heterostructures. Here, authors report a method for fast and parallel removal of contaminants from fully-formed heterostructures, including sample intentionally exposed to polymers and solvent, achieving room temperature mobility over 180,000 cm²/Vs for graphene.

In FeRh, it is possible to optically drive a phase transition between ferromagnetic (FM) and anti-ferromagnetic (AFM) ordering. Here, using a combination of photoelectron spectroscopy and ab-initio calculations, the authors demonstrate the existence of a transient intermediate phase, explaining the delayed appearance of the FM phase.

This work presents a theoretical investigation of the single carbon interstitial (Ci) defect in silicon as a potential candidate for spin-photon interfaces. Computed charge transition levels and optical properties show good agreement with the experimental results and allow assigning the experimentally observed telecom zero-phonon emission (1448 nm) to the neutral Ci defect.

The heat and electrical conductivity of Earth’s core matter represent key input quantities for geophysical models of the Earth’s core evolution and geodynamo. Here, the authors show how the scattering due to interactions between electrons has a relatively weak impact on the electrical and thermal conductivities of iron at core conditions.

Heavy pnictogen-based compounds are promising nontoxic and stable alternatives to lead-halide perovskites, but are limited by carrier localization. Here, by investigating CuSbSe₂, the authors identify how this limitation could be avoided.

This paper reports the intralayer ferroelectric-to-antiferroelectric and ferroelectric-toparaelectric phase transitions in layered NbOCl₂ and NbOI₂ under a small pressure, respectively, along with the strong manipulations of nonlinear optics.

Substitutionally doped two-dimensional diselenides can be used to make p-type field-effect transistors with reduced contact resistance and good electrostatic control by varying the thickness of the channel and contact regions.

Some materials host multiple charge density wave states, however, their dynamics and the nature of phase transitions are often unclear. Here, using temperature and orientation resolved ultrafast spectroscopy, the authors reveal charge density waves of different dimensionality in CuTe and elucidate their mechanism.

The inverse-trans-influence has been shown to operate in high oxidation state actinide complexes. Here, the authors report tetravalent cerium, uranium and thorium bis(carbene) complexes with trans C=M=C cores where experimental and theoretical data also suggest the presence of an inverse-trans-effect.

Solid-state battery electrolytes offer the potential for enhanced safety, stability and energy density in both current and future technologies. This Review discusses the vital role that atomistic modelling and machine learning techniques continue to play in understanding and improving inorganic crystalline solid electrolytes for lithium-based and sodium-based batteries.

Developing depolymerizable and recyclable polymers with high light-emitting efficiencies is of vital importance for sustainable photonic technologies, but remains challenging. Here the authors design a strategy to develop such polymers based on the use of controllable cleavable moiety.