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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.
Pockels coefficients and permittivity are measured in barium titanate and lithium niobate from 100 MHz to 330 GHz and device geometries are proposed to maintain a constant electro-optic response in BTO devices.
The authors report subnanosecond thermal transport on a gold–hexagonal boron nitrite interface governed by hyperbolic phonon–polariton coupling, demonstrating a cooling mechanism orders of magnitude faster than those relying on phonon-mediated processes.
A deep learning-guided de novo design identifies self-assembling peptides containing non-natural amino acids capable of killing multidrug-resistant bacteria and treating mice with acute intestinal infection.
Differences in force transmission capabilities between competing cells create large stress fluctuation at their interface, resulting in upward forces and cell elimination, which might have implications for tissue homeostasis and tumour cell invasion.
Open-shell nanographenes are used to fabricate length-controlled antiferromagnetic spin-1/2 Heisenberg chains. It is revealed that the spin excitation spectra evolve from gapped to gapless following a power-law dependence on chain length, along with the visualization of the standing waves of confined single spinons.
An inhalable nanoplatform responds to inflamed lung tissues by self-assembling into catalytically active fibrillar structures that locally decrease reactive oxygen species, relieve inflammation and alleviate viral pneumonia symptoms.
Highly selective formation of C2+ alcohols is obtained using CO electroreduction with a trimetallic-copper-based catalyst incorporating gold nanoparticles and isolated silver atoms.
Architected materials provide a pathway to achieve properties beyond those of monolithic materials. This Perspective discusses complex architecture designs and their fabrication, characterization and functions across length scales and timescales.
An isolation strategy is presented to improve the stability of metal nanoparticles by grafting oxide nano-islands between the support and the nanoparticles. This enhances sintering resistance, with the mean size of the nanoparticles maintained at 1.4 nm after 400 h of catalytic dry reforming of methane.
Resonant inelastic X-ray scattering measurements suggest that the oxidized oxygen species in high-energy Li-rich oxide cathodes are trapped molecular O2, which is also observed in O-redox-inactive materials. This suggests that resonant X-ray inelastic scattering measurements generate these species, and molecular O2 is not responsible for voltage hysteresis and decay.
The number and performance of p-type two-dimensional (2D) semiconductors has been limited. Now, non-layered 2D β-Bi2O3 single crystals are synthesized on a SiO2/Si substrate using a vapour–liquid–solid–solid growth method. Field-effect transistors based on 2D β-Bi2O3 crystals exhibit high hole mobility, on/off current ratio and air stability.
A simple method combining thermal activation and electric fields is demonstrated to efficiently generate ordered vacancies in bulk metal oxides, which can be used for broad applications.
High-quality, non-layered 2D β-Bi2O3 crystals are grown using a vapour–liquid–solid–solid growth technique. These crystals demonstrate promising properties for p-channel field-effect transistors.
Mechanical stiffness and self-healing properties are difficult to combine in synthetic hydrogels. Using polymer entanglements in co-planar nanoconfinement, stiff and self-healing hydrogels are fabricated, with applications in biology and engineering.
