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The exciton-polaritons formed using carbon nanotube field effect transistors strongly coupled to an optical microcavity can sustain electrical pumping under high current densities.
Nanostructured films of organic semiconductors are now shown to enhance the Raman signal of probe molecules, paving the way to the realization of substrates for Raman spectroscopy with molecular selectivity.
Microporous membranes were designed from the loose packing of two-dimensional polymer chains — a breakthrough giving both ultrahigh permeability and good selectivity for gas separations.
A study demonstrates that controlled integrin binding on a biomaterial was capable of promoting vascular cell sprouting and formation of a non-leaky blood vessel network in a healthy and diseased state.
In contrast with protocols reporting self-assembly of nanocrystals after synthesis, Pd nanocrystals rapidly form 3D micrometre-size superlattices during growth. The nanocrystals keep growing after assembly, tuning the size of the lattice.
Valley magnetization in single-layer MoS2 is demonstrated by breaking the three-fold rotational symmetry via uniaxial stress. The results are consistent with a theoretical model of valley magnetoelectricity driven by Berry curvature effects.
Encapsulation of single- and double-wall carbon nanotubes in carbon nanocages, which may contain gadolinium or erbium, leads to a reduction of the thermal conductivity and an improved Seebeck coefficient.
A multilayer system based on Ir/Fe/Co/Pt repetitions is found to host magnetic skyrmions at room temperature, while allowing control of the skyrmions’ properties such as size and density.
The exciton-polaritons formed using carbon nanotube field-effect transistors strongly coupled to an optical microcavity can sustain electrical pumping under high current densities.
Highly nanostructured purely organic films are shown to enhance the Raman signal of methylene blue molecules by three orders of magnitude, due to the unique molecular geometry, morphology and electronic properties of the films.
The development of robust and active anode materials for oxygen evolution reaction is challenging. Perovskite nanocatalysts with high mass activity towards water splitting and electronic structures changing drastically during operando conditions are reported.
Polymer membranes were formed from the inefficient packing of 2D polymer chains in a 3D amorphous solid, forming small and large micropores that enable high gas selectivity and permeability. This strategy may be applied to other polymers.
Femtosecond laser pulses can induce local bulging or plasma ablation of silk with limited structural damage, thus offering a technique for cutting, patterning, bending and welding of silk with various other materials.
3D X-ray Bragg ptychography microscopy, here with a resolution of tens of nanometres, is used to shed light on the relative orientations and strains of crystalline domains in a prism from a pearl oyster shell.
Ligand–integrin binding is essential for cell and tissue growth. Here, controlled integrin binding on a hyaluronic acid hydrogel was shown to promote endothelial cell sprouting in vitro and vessel network formation in vivo.
