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The interaction between perovskite oxides and water can have a significant influence on practical performance. Here the authors study the dynamics of surface water adsorption and hydroxide formation during monolayer formation on a ruthenate.
Structural inversion asymmetry in magnetic materials leads to a dissipative chiral damping mechanism. This mechanism is evidenced in the field-driven domain-wall motion in perpendicularly magnetized asymmetric Pt/Co/Pt trilayers.
The efficient design of nanoporous materials crucially depends on understanding the mass transfer mechanism. Using micro-imaging techniques we now show that apparently identical crystals can exhibit different uptake rates.
Producing hydrogen via solar water splitting with metal-based molecular catalysts offers scalability. An active p-GaInP2 photocathode stabilized by a TiO2 layer functionalized by a cobaloxime molecular catalyst is now reported for water reduction.
The electronic interaction between deposited metal nanoparticles and their support material can influence their functionality. Here, a quantification of the charge transfer between platinum nanoparticles and a ceria support is presented.
The quasi-one-dimensional bismuth iodide β-Bi4I4 is theoretically predicted and experimentally confirmed to exhibit a (1;110) Z2 strong topological insulator phase.
The authors show that thin films of microporous metal–organic frameworks can be deposited on a broad range of substrates and on high-aspect-ratio features by means of chemical vapour deposition.
Electronic many-body effects are used to control the electron effective mass, and thus the plasma energy and electrical conductivity, of thin films of the correlated metals SrVO3 and CaVO3, making them good candidates as transparent conductors.
The thermoelectric response of a fullerene–gold electrode single-molecule junction has been studied in a scanning tunnelling microscope. The junction exhibits positive and negative thermopower, dependent on molecule orientation and applied pressure.
The insertion of a few unit-cell-thick EuTiO3 layers at the interface between LaAlO3 and SrTiO3 leads to the formation of an electric-field-tunable quasi-two-dimensional electron system where ferromagnetism and superconductivity coexist.
The interaction between graphene and the spins of molecular magnets grown on it has been studied. The coupling between graphene phonons, spins and Dirac fermions modifies—and may be used for controlling—the quantum spin dynamics.
Neutron scattering measurements provide evidence for strong coupling between stripe spin fluctuations, nematicity and superconductivity in single-crystalline FeSe.
Tissue-adhesive scaffolds made by the conjugation of RNA triple helices to dendrimers lead to ∼90% shrinkage of tumours two weeks after implantation in a triple-negative breast cancer mouse model.
The critical concentration of dopants required to trigger an insulator-to-metal transition in films of semiconductor nanocrystals has been calculated, and experimentally verified with highly doped silicon nanocrystal films.
Low efficiency, short lifetime of catalysts and a lack of low-cost materials have limited electrochemical H2 production. Now, active and stable Co–Mo–Sx chalcogels for the efficient production of H2 in alkaline and acidic environments are reported.
The commitment and differentiation of human mesenchymal stem cells encapsulated in synthetic hydrogels that mimic the stiffness of adult-stem-cell niches can be switched by changing the hydrogel’s onset of stress stiffening.
Solvent-free, supersoft and superelastic polymer melts and networks made from bottlebrush macromolecules can display low modulus, high strain at break, and extraordinary elasticity.
A modified chemical vapour deposition set-up allowing extremely localized injection of carbon precursors on a Cu–Ni substrate is used for the fast growth of large-area single-crystalline monolayers of graphene.
The search for new materials that can improve the energy density of Li-ion batteries is technologically important. An electrochemically active compound with the composition Li4Mn2O5 exhibits an unprecedented discharge capacity of 355 mAh g−1.