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Vertical organic light-emitting transistors are realized by using a porous base electrode in the centre of the device, which improves efficiency and reduces operating voltage by regulating charge transport and forming an optical microcavity.
A polymer gel composite self-strengthens in response to mechanical vibrations due to activation of mechanically sensitive ZnO crosslinking agents in its matrix, in a process that resembles bone remodelling observed in animals.
It is now revealed, using cell cultures and in silico models, that weakening intercellular contacts is a fundamental process essential for switching from extensile to contractile tissue behaviour.
Conductors made of a mixture of liquid and solid domains of Ga–In alloy can be stretched over 1,000%, keeping almost constant conductivity, and used to connect commercial electronic components and realize stretchable multilayer printed circuit boards.
Coating of liquid metals on electrospun elastomeric fibre mats leads to the realization of conducting buckled meshes that can be stretched up to 1,800% strain while preserving both stable electrical properties and permeability to air and moisture.
Upon light stimulation, two jointed liquid crystalline network oscillators affect the movement of each other, achieving synchronized in-phase and anti-phase oscillations that can be explored to generate soft actuators with collective responses.
Light-responsive myosin motors enable spatial and temporal control over the dynamics and transport of active nematic liquid crystals composed of actin filaments and myosin at an oil–water interface.
A second-order topological Weyl semimetal based on a 3D-printed acoustic crystal, exhibiting Weyl points, Fermi arc surface states, and hinge states, has been experimentally demonstrated.
Ionizable phospholipid nanoparticles have been designed to efficiently destabilize endosomal membranes and mediate organ-selective mRNA delivery and CRISPR–Cas9 gene editing.
Stretch-induced alignment of graphene sheets is frozen by sequential covalent and π–π bridging, leading to high in-plane isotropic strength of 1.55 GPa. The graphene sheets are fabricated at near room temperature and are scalable.
Elastomers swollen with solvent repeatedly snap back and forward as the solvent evaporates, which is harnessed to fabricate polymeric devices that jump autonomously.
Coating Au electrodes with Ag or Cu monolayers is shown to improve molecule–electrode binding and electrical conductivity of single-molecule junctions as a result of the tuning of the surface d bands of the metal.
Hierarchically structured 3D materials made of distinct colloidal particles spontaneously assemble by combining the electrostatic modulation of particle interactions to form supracolloids that are organized into 3D structures on solvent drying in an entropy-driven process.
A magnetic torque actuator has been developed and is capable of modulation of neurons expressing the mechanosensitive ion channel, Piezo1, resulting in long-distance control of locomotion of mice.
Understanding electrochemical behaviour and stability at solid–solid interfaces remains challenging. Operando synchrotron X-ray computed microtomography loss reveals that reconfiguration of interfacial contact is critical to explain cell failure during solid-state battery cycling.
Hafnia ferroelectrics are of industrial interest owing to their compatibility with silicon-based electronics, but the ferroelectricity only exists in nanoscale films. Here, using a floating zone growth approach, ferroelectricity in bulk Y-doped hafnia is demonstrated.
Antiskyrmions had only been observed in a few Heusler compounds with D2d symmetry. Here a new material, Fe1.9Ni0.9Pd0.2P, in a different symmetry class (S4 symmetry) is reported to host antiskyrmions, as well as sawtooth surface textures and skyrmions.