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For high-capacity electrodes with anionic redox, the importance of structural dimensionality has not been elucidated. The possibility of triggering anionic redox activity in a tridimensional-ordered Li-rich positive electrode is now demonstrated.
The antifogging properties of a structured surface can be considerably enhanced if the feature size is small enough and if the feature shapes are cones rather than cylinders.
The operational conditions used for electron microscopy can limit the insight that can be gained from fragile material samples. It is shown here how high-resolution TEM analysis of delicate MOFs can be achieved.
A neuromorphic device based on the stable electrochemical fine-tuning of the conductivity of an organic ionic/electronic conductor is realized. These devices show high linearity, low noise and extremely low switching voltage.
A pump–push–probe time-resolved technique is developed to characterize the dynamics of photoexcitations at buried, disordered interfaces. Applied to organic bulk heterojunctions, the method provides insight on charge separation in photovoltaic films.
An engineered topological insulator-based heterostructure is reported to show transport properties consistent with the realization of an axion insulator.
A very slow vortex creep in BaFe2(As0.67P0.33)2 films is found experimentally. The authors also claim the existence of a universal lower limit on vortex creep for any superconductor.
A blue-emitting phosphor without thermal quenching is reported. The emission losses at high temperatures are compensated by a counter mechanism, originating in energy transfer between electron–hole pairs and thermally activated defect levels.
By pairing a paramagnetic enhancer with a superparamagnetic quencher, their distance-dependent interaction can be applied to image biological processes using MRI.
Increased cellular expression of RAB5A, an important regulator of endocytic processes, brings epithelial cells from a jammed state to coordinated motion, and can facilitate wound closure, gastrulation and migration in constrained environments.
TSr3Ir2O7 is shown to realize a weak Mott state with no cuprate analogue and to exhibit, when electron doped, a charge density wave-like Fermi surface instability with unconventional and possibly short-ranged nature.
Coherent diffractive imaging during hydriding of palladium nanocrystals reveals that phase nucleation begins after dislocation nucleation at the phase boundary for large particles. The hydrogen-rich phase resembles a spherical cap.
Uniform, hierarchical 2D nanostructures with controlled shapes can be prepared from homopolymers with charged end-groups using a crystallization-driven assembly process.