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While transition metal nitrides are promising low-cost electrocatalysts for the oxygen reduction reaction in alkaline media, a fundamental understanding of their activity is still lacking. Here MnN nanocuboids with well-defined surface structures are investigated, providing atomistic insight and mechanistic understanding.
The practical application of 2D transition metal dichalcogenides (TMDs) requires robust and scalable synthesis of these atomically thin materials and their heterostructures. This Review discusses the key challenges, current progress and opportunities in the controllable synthesis of TMD-based heterostructures, superlattices and moiré superlattices.
Cancer cell-derived small extracellular vesicles bind to therapeutic nanoparticles leading them from tumours to the liver for degradation. This mechanism is another barrier for the development of efficient nanoparticle-based cancer therapies.
A p-block metal octoate additive in carbonate electrolytes enables the reversible plating/stripping of alkali metal in anode-free batteries by forming a protective layer with a preferentially adsorbed octoate moiety and uniformly plated p-block metal.
The realization of twisted ligand-free two-dimensional halide perovskite-based moiré superlattices enables twistronic control of exciton dynamics in these systems and brings stimulating implications towards the development of halide perovskite photonic devices.
Inspired by non-trivial band topology and the variety of correlated electronic phases in moiré superlattices formed in van der Waals materials, scientists are finding alternative material platforms to exploit the rich phenomena arising from the twist-angle degree of freedom.
The question of whether all materials can be put into glass form was raised half a century ago but has remained unanswered. Using picosecond pulsed laser ablation, the vitrification of gold — which has been notoriously difficult — and several other monatomic metals is demonstrated, indicating that vitrification is an intrinsic property of matter.
Filamentous viruses are a tunable platform for understanding the propagation of chirality across length scales, starting from the helical organization of major coat proteins on the virion surface to the liquid crystalline cholesteric phases formed in aqueous suspensions.
High-pressure experiments on the aperiodic material TRUMOF-1 reveal that linkage disorder thwarts collapse mechanisms, thus enhancing mechanical stability.
This Review introduces emerging nonlinear electronic, optical and optoelectronic properties of moiré superlattices and discusses opportunities and challenges in this rapidly progressing field, as well as implications for fundamental physics and technological innovations.
Platforms that exhibit moiré patterns have the potential to tailor band structures and control electromagnetic and mechanical waves. This Perspective discusses the current state of the art, challenges and outlook within the realm of classical wave physics.
The authors use scanning tunnelling microscopy and muon spin resonance to demonstrate time-reversal symmetry-breaking superconductivity in Cs(V, Ta)3Sb5. The Cooper pairing in this state exhibits magnetism and is modulated by it.
New two-dimensional semiconductors may exhibit properties beyond inherent semiconducting attributes. Here the authors report protonated semiconducting III–V-derived van der Waals crystals with memristive properties.
A versatile microfluidic approach is used to fabricate microstructures of arbitrarily predefined shapes from CsPbBr3 monocrystals. The resulting perovskite structures demonstrate waveguiding capabilities and edge lasing from polariton condensates with highly coherent emitted light. This approach is a first step towards perovskite-based nonlinear integrated photonics.
A metastable pentagonal PdTe2 monolayer has been synthesized through symmetry-driven epitaxy, utilizing lattice matching with a Pd(100) substrate. The lattices, phonons and electronic structures of this phase have been studied.
A polymer-free 3D printing technique of metals and alloys, using two-photon decomposition and optical force trapping, is presented. It achieves dense and smooth nanostructures with a resolution beyond optical limits.
