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Two-dimensional materials with a unique set of physical and chemical properties and the tangible potential for various electronic and optoelectronic applications have generated a substantial amount of experimental studies. Yet, all these works are based on only a few dozens of practically exfoliable materials. Using high-throughput calculations, N. Mounet and co-workers have now succeeded in identifying 1,825 potentially exfoliable two-dimensional materials and predicted some of their essential physical properties. The cover is an artist's depiction of diverse two-dimensional materials. The different colours represent different atoms in each flake. Some of the flakes are atomically thin and some consists of a few atomic layers.]
High-throughput electronic structure calculations, together with structural data-mining algorithms, allow the identification of new two-dimensional materials.
Nanowire devices exhibiting ballistic transport show characteristics of Majorana modes, ruling out alternative explanations other than topological superconductivity.
Electron holography allows the selective orbital occupation and spatial quantum confinement of electrons at the interface between two oxide insulators to be resolved.
Layer-stacking domain walls in bi- and trilayer graphene are engineered individually and moved, erased and mechanically split by means of an atomic force microscope tip.
Single-molecule force spectroscopy shows that donor–acceptor synthetic oligorotaxanes possess a more robust and dynamic response to external loads than natural proteins.
A self-assembled modular siRNA delivery platform enables the construction of a theoretically unlimited repertoire of carriers to target distinct cell surface receptors in the service of personalized medicine.
Controlling the geometry of each dielectric element of a nanostructured surface enables frequency-dependent group delay and group delay dispersion engineering, and the fabrication of an achromatic metalens for imaging in the visible in transmission.
Integrating the Pancharatnam–Berry phase with integrated resonant nanoantennas in a metalens design produces an achromatic device capable of full-colour imaging in the visible range in transmission mode.
Single magnetic skyrmions are electrically detected in magnetic multilayers at room temperature, and their main contribution to the signal, which is enhanced for tracks approaching the size of the skyrmions, comes from the anomalous—rather than topological—Hall effect.
The largest available database of potentially exfoliable 2D materials has been obtained via high-throughput calculations using van der Waals density functional theory.
Metagenomic analysis of activated sludge dosed with gold nanoparticles reveals that nanoparticle morphology imposes a greater force in shaping microbial community structure than surface coating.
The wireless and photoelectrochemical stimulation of primary rat dorsal root ganglion neurons is demonstrated by shining laser light onto coaxially doped silicon nanowires deposited on the neuronal membrane.
The spirit of collaboration in a one-room schoolhouse in rural Scotland served as a model for being creative in science, as Fraser Stoddart explains, recounting his journey to Stockholm.