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The uptake of water by polar solids can modify electrical and mass transport properties. This Review discusses hydration mechanisms and surveys case studies of the effects water uptake has on transport properties in different materials.
Characterizing the interference of phonons at the single-molecule level remains a challenging task. Here, the authors observe and characterize destructive phonon interference in molecular junctions at room temperature.
Achieving both high efficiency and narrow emission in organic light-emitting transistors (OLETs) remains a challenge. Here the authors demonstrate laterally integrated OLETs with an intrinsic microcavity that achieve both enhanced efficiency and narrow emission.
Fracture behaviours in multilayer h-BN, involving interlayer-friction toughening and edge-reconstruction embrittlement, are identified through in situ experiments and theoretical analyses.
Lipid nanoparticles formulated with ionizable lipids inspired by brain-targeting small molecules facilitate the delivery of mRNA past the blood–brain barrier and into the brain.
Extracellular anisotropic stresses trigger fibroblast transition into myofibroblasts by the mechanical self-reinforcement of cell–extracellular matrix interactions.
The authors review the mechanisms of resistive switching in monolayer and bulk forms of two-dimensional layered materials, providing insights into atomic motions and electronic transport across interfaces.
Exploiting the intrinsic response of magic-angle twisted bilayer graphene to resonant terahertz radiation, the interplay between electron interactions and quantum geometry is studied in such flat-band systems.
A superlattice structure of gold tetrahedra formed via a surface-promoted pathway is reported. The octo-diamond crystal is achiral, but exhibits bilayers of left- and right-handed chiral motifs with chiroptical plasmonic responses.
Topological acoustics offers robust control over acoustic waves, akin to the control of electrons in topological quantum materials. Now, research shows its transformative applications in microfluidics, enabling robust transport and trapping of nanoparticles and DNA molecules for biomedical devices.
Using pump-power-dependent exciton absorption spectroscopy, the authors reveal magnon-mediated exciton–exciton interactions and a consequent nonlinear optical response in CrSBr, an antiferromagnetic semiconductor.
The authors present a valley-Hall topological acoustofluidic chip revealing the complex interactions between elastic valley spin and nonlinear fluid dynamics, revealing its potential towards on-chip biological applications.
Unconventional unidirectional magnetoresistance observed in the heterostructures of a topological semimetal (WTe2) and a magnetic insulator (Cr2Ge2Te6) enables the electrical read-out of the magnetic states of a perpendicularly polarized magnet through longitudinal resistance measurements.
A modular programming framework for controlling microtubule-based active matter using light is introduced, enabling the precise design and manipulation of dynamic micrometre-scale fluid flows for tasks such as mixing, transport and separation in microfluidic applications.
The authors demonstrate on-chip circularly polarized light detection using the chiral properties of transition metal dichalcogenide valleytronic transistors on centrosymmetric plasmonic metamaterials.
The authors present transport measurements of rhombohedral trilayer graphene proximitized by transition metal dichalcogenides. They find that the presence of transition metal dichalcogenides enables the emergence of new superconducting and metallic phases and affects the superconducting states present in bare rhombohedral trilayer graphene.
Metal–organic chemical vapour deposition enables the wafer-scale growth of hexagonal boron nitride with an AA stacking sequence that was previously considered thermodynamically unfavourable.
A conference on classical and quantum technologies using silicon carbide, held in Germany in July 2024, brought together key researchers from academia, industry and funding agencies.
Solid-state thermoelectrics can convert waste heat to electrical energy, but applications are hindered by long-term stability issues. Here cobalt is used as a contact layer with direct bonding to thermoelectric MgAgSb, enabling a thermoelectric module to achieve 10.2% conversion efficiency over 1,440 h of thermal cycling.
