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The glass forming ability of alloys is found to be strongly correlated with the full-width at half-maximum of the first diffraction peak in the X-ray diffraction pattern, which facilitates the discovery of bulk metallic glass compositions.
Theoretical descriptors differentiate catalytic activity for oxygen evolution reaction by the strength of oxygen binding in the reactive intermediate created upon electron transfer. Picosecond optical spectra of the Ti-OH* population on doped SrTiO3 are now shown to be ordered by surface hydroxylation.
A nanoscale tube-in-tube sandwich structure is generated by a two-step templating-pyrolysis process, which strengthens the log-pile carbon architecture and slows down the decrease of stiffness with decreasing density.
Tamm plasmon thermal emitters can provide low-cost, efficient mid to long infrared emission, but have been limited by a challenging design. Here the authors apply an inverse design protocol to demonstrate tailorable multi-band emission on CdO films.
Substrate-rigidity-dependent microtubule acetylation is now shown to be triggered by mechanosensing at focal adhesions, and in turn controls the mechanosensitivity of Yes-associated protein (YAP) translocation, focal adhesion distribution, actomyosin contractility and cell migration.
Atomic electron tomography is used to determine the three-dimensional atomic structure of monatomic amorphous solids with liquid-like structure, which is characterized by the existence of pentagonal bipyramid networks with medium-range order.
The solvent-free conversion of phthalonitrile derivatives into phthalocyanines in the bulk is described, involving a reductive cyclotetramerization step and the formation of one-dimensional single-crystalline fibres. This solvent-free autocatalytic supramolecular polymerization may enable for a sustainable fabrication of multi-block supramolecular copolymers.
A 3D-printing technique has been developed to create high-quality pure silica nanostructures with sub-200 nm resolution and the flexible capability of rare-earth element doping. It shows excellent application potential in three-dimensional micro- and nanophotonics.
The atomic-scale frictional processes between two metallic single-crystal asperities are visualized by combining in situ high-resolution TEM and AFM, elucidating diffusion-mediated low friction.
The topological nature of the electronic structure of two-dimensional ferromagnetic SrRuO3 and its relationship to the anomalous Hall effect is explored through transport measurements, angle-resolved photoemission spectroscopy and theoretical modelling.
A network of self-organized nanowires combined with a memristive read-out layer is used to demonstrate a hardware implementation of reservoir computing for recognition of spatio-temporal patterns and time-series prediction.
Micromagnets dispersed in a polymer matrix are used to realize a soft magnetoelastic generator with high magnetomechanical coupling factor, used for wearable and implantable power generation and sensing applications.
Application of electromotive force between molten iron–carbon and slag is shown to decarburize iron. Electrorefining decarburizes by direct interfacial electrochemical reaction, resulting in low solubilized oxygen in iron, even at low carbon concentration.
Strain in thin films can increase piezoelectric properties, but crystallographic constraints may restrict the enhanced response to localized regions. Here, by combining strain and orientation engineering, a low-symmetry bridging phase of BiFeO3 with enhanced piezoresponse is stabilized uniformly throughout the film.
The role of actin/tropomyosin filaments in the assembly of cell–substrate adhesions has been investigated and it is now shown by cryo-electron tomography that they are essential for adhesion assembly and also regulate mechanosensing, matrix remodelling and transformation of cells towards a cancer phenotype.
A synthetic hydrogel has been developed to mimic the physicochemical properties of pancreatic tissue and is shown to support the culture of pancreatic cancer organoids, revealing the role of laminin–integrin interactions in their growth.
A two-dimensional hole gas with high carrier density is confined at the interface between a solution-processed, single-crystalline organic semiconducting film and the electric double layer formed by an ion gel on top of the film.
Organic semiconductor crystals can be selectively doped at the crystallographic step edges, deactivating shallow traps and recovering band-like transport. The space charge induced by chemical doping is observed by scanning Kelvin probe microscopy.