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The authors investigate the origins of chirality transfer across length scales, quantitatively demonstrating how chirality propagates from the molecular to liquid crystal level in filamentous virus systems.
Here, the authors observe that in thin films of antiferroelectric PbZrO3, substrate clamping enhances the electromechanical response, with expansion purely in the out-of-plane direction, achieving 1.7% strain for 100-nm-thick films.
The authors demonstrate a programmable topological photonic chip with large-scale integration of silicon photonic nanocircuits and microresonators that can be rapidly reprogrammed to implement diverse multifunctionalities.
Understanding the origin of photoinduced water splitting on TiO2 is crucial to control photocatalytic surface reactions. A photoexcited-hole-transfer-driven mechanism now shows that water dissociation is strongly coupled with dynamic lattice distortion (photoexcited phonons) on TiO2 surfaces.
Although structurally ordered intermetallic nanocrystals are promising electrocatalysts for fuel cells, their high-temperature large-scale preparation has proved challenging. A low-melting-point-metal-induced bond strength weakening strategy to promote alloy catalyst ordering is now proposed.
Quantum coherent control of single-photon-emitting defect spins have been reported in hexagonal boron nitride, revealing that spin coherence is mainly governed by coupling to a few proximal nuclei and can be prolonged by decoupling protocols.
The authors report the sweet-spot operation of germanium hole spin qubits, exploring the optimization of the external magnetic field orientation, the g-tensor and its electric tunability, and hyperfine interactions.
The detailed interplay between electronic and lattice dynamics in two-dimensional perovskite materials remains elusive. Here the authors establish the room-temperature polaronic nature of the excitons in two-dimensional Dion–Jacobson-type perovskites.
Lithium-rich oxygen-redox cathodes demonstrate high capacities, but lose energy density when cycled, showing cation disordering and formation of nanovoids and bulk molecular O2. These structural changes are shown to be a consequence of a kinetically viable and thermodynamically favoured local phase segregation mechanism.
An approach combining machine learning and combinatorial chemistry enables the creation and evaluation of ionizable lipid libraries for lipid nanoparticle formulation to effectively deliver messenger RNA to several cells and tissues.
Ultrathin and flat crystals of bismuth are grown between the atomically flat layers of a van der Waals material. These crystals exhibit outstanding electronic properties, including gate-tunable quantum oscillations of the magnetoresistance.
Control over topological antiferromagnetic entities is achieved at room temperature in multiferroic nanodevices using an electric field that induces magnetoelectric coupling to ferroelectric centre states.
Degradation is one of the most common causes of capacity deterioration in high-energy-density cathodes. Rotational stacking faults in layered lithium transition-metal oxides are shown to play a critical role in determining their structural and electrochemical stabilities.
Efficient phononic nonlinear processes are demonstrated in an acoustoelectric heterostructure combining a high-mobility semiconductor indium gallium arsenide film heterogeneously integrated onto a lithium niobate thin film.
The emergence of chiral morphologies from achiral building blocks is not well understood. Deep learning-based interpretation provides representative models for the process of symmetry breaking and chiral development during the growth of gold nanoparticles.
The thermalization of acoustic phonons after photoexcitation is traced by electron pulses in TiSe2, and the excitonic contribution to the structural order parameter of the material’s charge density wave phase is quantified.
Iodide-related defects pose serious challenges to the irradiation, thermal, light or reverse-bias stabilities of perovskite solar cells. Here, the authors find that by using the iodide/polyiodide capture and confine effects of perfluorodecyl iodide interfacing with perovskites, inverted perovskite solar cells achieve much improved stabilities.
The magnetism-mediated assembly of non-Brownian magnetic colloidal particles into a three-dimensional oriented and ramified magnetic network yields permanent fluidic magnets that are used in a self-powered, liquid-based wireless cardiovascular sensor.
The molten structure of plutonium oxide—a component of mixed oxide nuclear fuels—is measured, showing some degree of covalent bonding. Its atomic structure is similar to that of cerium oxide, which could be a non-radioactive structural surrogate.
Electrode arrays for neurological diagnosis and treatment carry a risk of nerve injury. Nerve cuffs with tiny voltage-controlled shape-reconfigurable electrode arrays have been reported, allowing active wrapping around delicate nerves.