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Hybridized electron or hole states across semiconducting van der Waals monolayers in heterotrilayer systems enable the emergence of quadrupolar excitons. Quadrupolar excitons, unlike their dipolar counterparts, have a tunable static dipole moment that responds nonlinearly under an applied electric field.
The discovery of passivating agents for perovskite photovoltaics can be an arduous and time-consuming process. Now, a machine-learning model is reported that accelerates the selection of bifunctional pseudo-halide passivators. The identified pseudo-halide passivators were experimentally shown to enhance the performance of perovskite solar cells.
Heat treatment can transform some moiré superlattices into fully commensurate bilayers, where atoms in opposite layers align perfectly with each other. This structural transformation gives rise to markedly brighter interlayer excitons.
By inserting an epitaxial in-plane buffer layer of Bi5FeTi3O15, an artificial flux closure architecture enables ferroelectric polarization from a single unit cell of BaTiO3 or BiFeO3.
Three protein interaction surfaces are computationally designed into one protein subunit to enable their accurate assembly into three-dimensional crystals with user-specified lattice architectures.
A traditional physical-reservoir device has limited flexibility and cannot perform well across a range of computing tasks, owing to the fixed reservoir properties of the physical system. However, by exploiting the rich magnetic phase spaces of a single chiral magnet, reservoir properties can be reconfigured. This control enables on-demand optimization of computational performance across diverse machine-learning tasks.
Chiral single-photon emitters are desirable, versatile tools for quantum information processing. Exploiting proximity to a strain-induced local magnetic field in the van der Waals antiferromagnet NiPS3 enables the emission of high-purity chiral single photons from monolayer WSe2 at zero external magnetic field.
An approach to analyse the deformation behaviour of polymer networks provides an enhanced set of structural information, improving our understanding of the elasticity of soft materials.
Terahertz photoconductivity measurements coupled with theoretical modelling reveals that thermal transient excitations to more delocalized states enhances hole mobility in organic molecular semiconductors.
Lymphatic vessels within and near to tumours facilitate nanoparticle transport out of tumours, with ramifications in the design and implementation of next-generation clinical cancer nanomedicines.
Lattices of micrometre-sized metamaterials embedded in thermoresponsive hydrogels deform upon heating to reveal encrypted images from a blank gel canvas.
An additively manufactured AlSi10Mg alloy shows high fatigue strength, even close to its tensile strength, for micro-sized samples. The fine cells in its inherent three-dimensional network are considered as cages to limit damage accumulation.
Remotely powered vertical electrochemical transistors are demonstrated to track subtle nerve-cell activity even when the transistor core is fully shielded from the biological environment.
Oxide glasses can be intrinsically toughened by forming crystal-like, medium-range order clusters, which transform inversely to the amorphous state under stress, exciting multiple shear bands for plastic deformation.
