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The insertion of La1−xSrxMnO3 in the interface between LaAlO3 and SrTiO3 enhances the electron mobility due to charge-transfer-induced modulation doping. Shubnikov–de Haas oscillations and fingerprints of the quantum Hall effect are observed.
Injectable microporous scaffolds assembled from annealed microgel building blocks whose properties can be tailored by microfluidic fabrication facilitate rapid wound healing in vivo.
Charge-modulated states are investigated through resonant X-ray scattering in two cuprate families. This work provides insights on the origin and the microscopic description of charge order, and on its interplay with superconductivity.
The structural properties of the DNA-mediated assembly of co-crystals of anisotropic nanoparticles can be controlled through the shape and size complementarity of the DNA-coated nanoparticles.
The degradation of exfoliated black phosphorus in ambient conditions may limit its use in electronic devices. The combined effects of light irradiation and exposure to oxygen on mono- and multilayers of this material are now investigated.
The selective transformation of a DNA–nanoparticle superlattice into three-dimensional ‘daughter’ lattices is achieved by modifying interparticle interactions via reprogramming DNA strands.
Piezoelectric sensors and actuators are embedded in pliable devices that conform to human skin and organ surfaces. These devices enable rapid characterization of the mechanical properties of soft tissues under various clinical conditions.
Implanted spheres of a broad variety of material classes significantly abrogate foreign body reactions and fibrosis in rodent and non-human primates when the spheres are larger than 1.5 mm in diameter.
A detailed study is performed of dislocation nucleation at the surface of defect-free crystalline nanowhiskers, including the effect of sample size, temperature and strain rate, via in situ mechanical testing.
A concept for the phase control of the nonlinear susceptibility using the left- and right-circular polarization basis for fundamental and harmonic generated light is introduced and tested using metasurfaces containing plasmonic antennas.
A surface-initiated solution growth method is used to synthesize single-crystal nanowires of organic–inorganic perovskite that show very low lasing threshold. Coating the nanowires with metallic films marginally affects the lasing performance.
A flexible n-type material has been developed with a thermoelectric figure of merit of 0.28 at 373 K via the intercalation of organic cations between titanium disulphide monolayers.
Local oxidation of the methyl groups of self-assembled silane monolayers into carboxylic acid functional groups allows the realization of solid ion-conducting channels, on top of which single layers of metal ions can drift when a voltage is applied.
Efficient in vivo cytosolic delivery of nucleic acids through cell-membrane puncturing by an array of biodegradable silicon nanoneedles induces sustained local neovascularization in muscle.
The thermal conductivity of diamagnetic InSb decreases as a magnetic field is increased at low temperatures and is attributed to local dynamic diamagnetism, bringing forth evidence of the magnetic response of phonons.
Little is known about the micromechanisms by which deformation twinning occurs in body-centred cubic crystals. An atomic-scale microscopy study now provides new insight, by the in situ testing of tungsten nanowires.
Initiated chemical vapour deposition enables the conformal growth of ultrathin insulating polymer layers. These polymer films can be deposited on a broad range of materials used for organic and flexible electronics, including graphene.
Nanoscale resistance-switching cells that operate by means of electrochemical modification of metallic filaments are promising devices for post-CMOS electronics. Simulations of operating conductive cells are now used to describe electrochemical reactions.
An approach that exploits two bioorthogonal photochemistries to achieve reversible immobilization of full-length proteins in synthetic hydrogels allows for the reversible differentiation of human mesenchymal stem cells to osteoblasts.
Symmetry-breaking distortion on the surface of topological crystalline insulators imparts mass to Dirac electrons. The mass is shown to depend on the penetration depth of the surface states. Non-topological surface states are also reported.