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In situ liquid-phase electron microscopy experiments show that the binding of calcium ions to a biomimetic polymer matrix can direct the nucleation of amorphous calcium carbonate, a main precursor phase in calcium carbonate mineralization.
Although heat removal in electronics at room temperature is typically governed by a hierarchy of conduction and convection phenomena, heat dissipation in cryogenic electronics can face a fundamental limit analogous to that of black-body emission of electromagnetic radiation.
The experimental detection of negative capacitance in ferroelectrics rekindles hopes that the phenomenon could be used to further push the miniaturization of conventional transistors.
This year we will offer the option of double-blind peer review and introduce a reproducibility checklist for life sciences articles that helps authors adhere to data-reporting standards.
The application of a high magnetic field is shown to induce spin-density-wave order in Sr3Ru2O7. This magnetic order correlates with the electronic nematic behaviour observed in this material.
Design rules for the synthesis of donor–acceptor systems with efficient intramolecular singlet fission are now proposed. These guidelines have been applied to both small molecules and polymeric chains.
Room-temperature switchable polarization and the presence of charged domain walls with insulating and conducting configurations are now experimentally demonstrated in bulk (Ca,Sr)3Ti2O7.
Molecular beam epitaxy now enables the growth of nanowire heterostructures composed of a semiconducting core and a metallic epitaxial shell. This improved synthesis leads to the creation of a hard superconducting gap with no subgap states.
Nanosized faujasite crystals are promising catalysts and adsorbents. The template-free synthesis of such zeolites with a narrow particle size distribution and excellent thermal stability that lead to superior catalytic performances is now reported.
The usual model of glass corrosion is based on diffusion-coupled hydration and selective cation release. A novel corrosion mechanism now suggests that interfacial dissolution–reprecipitation may be a universal process that controls both silicate glass corrosion and mineral weathering.