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Electron density in TiS2 is determined by synchrotron X-ray diffraction, which reveals significant differences between experimental data and theory for interlayer van der Waals interactions.
A systematic investigation of the spin relaxation in nitrogen vacancy centres in diamonds, induced by phononic vacuum modes at low temperature, reveals an upper limit of eight hours.
Understanding the structural stability of platinum surfaces upon oxidation and reduction conditions has proved challenging. A correlation of surface site formation to nanoisland growth in the electrochemical roughening of Pt(111) is now identified.
Sub-micrometre MOF particles are incorporated into polymers to form mixed matrix membranes. Molecular sieving enables performance far beyond current limits for two applications, butane isomer separation and combined CO2/H2S removal from natural gas.
The mechanism by which cell geometry regulates cell signalling is reported to be modulated by lipid rafts within the plasma membrane, which are now shown to be responsible for geometry-dependent mesenchymal stem cell differentiation.
By combining electron energy-loss magnetic chiral dichroism and chromatic-aberration-corrected transmission electron microscopy, it becomes possible to achieve atomic-scale imaging of magnetic circular dichroism.
An ionogram based on a layer-free nanotransistor reveals the ability to selectively measure target ions in serum. Experimental and theoretical assessment of the mechanism of the surface–ion interaction is also revealed.
A SrTiO3/LaAlO3/SrTiO3 heterostructure is fabricated in high oxygen partial pressure to prevent oxygen vacancy formation. Electrical transport and electron holography directly observes a highly mobile two dimensional hole gas at the top interface.
Molecular simulations reveal the self-assembly of small molecules into nanoparticle drug carriers. Targeting of colon and liver cancer cells by the nanoparticles via kinase inhibitors is employed in anti-tumour therapy in vivo.
This work reports a quantitative investigation of the interaction parameter and miscibility of donor and acceptor organic molecules and their relationship with the fill factor and photovoltaic performance of bulk-heterojunction organic solar cells.
Reconfigurable electronic devices that can be shaped in two or more stable geometries modifying their functionalities have been realized by engineering the sequence in which the elastomeric substrates are mechanically buckled.
CsPbI3–xBrx solar cells, which undergo temperature- and moisture-driven reversible transitions between a non-perovskite transparent phase and a perovskite light-absorbing phase, are used as thermochromic photovoltaic devices integrated in windows.
Controlled widening of threading dislocations in SiGe layers epitaxially grown on Si allows the realization of resistive switching devices with enhanced uniformity, high on/off ratio and long retention times.
Investigation of the thermal transport properties of AgCrSe2 reveals complete suppression of the transverse acoustic phonons by ultrafast dynamic disorder with only the longitudinal acoustic mode surviving, resembling the thermal conduction of liquids.
A perturbative method is proposed for the systematic design of mechanical metamaterials, where each element of the discrete model is associated with individual geometric features of the metamaterial, through the weak interaction between the unit cells.