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Silver fluoride materials have structures that are similar to those found in high-temperature cuprate superconductors, but the two systems have quite different magnetic properties.
Annealing out dislocations in deformed metals usually leads to reduced strength and increased ductility. Exactly the opposite has been observed in bulk nanostructured aluminium.
A detailed image of a complex fuel-cell anode structure, obtained through ion-beam milling, SEM imaging and advanced digital reconstruction, yields an accurate description of the three-dimensional structure, and enables correct prediction of the electrode's properties.
The interaction between electron and nuclear spins is the ultimate limit to using quantum dots as fundamental units for quantum information. Novel results show the way to control this interaction, opening interesting perspectives for quantum computation with solid-state matter.
Multiple twin defects, analogous to those in bulk crystals, have been revealed in crystalline semiconductor nanowires by microscopic studies. An unexpected connection is now made between these subtle imperfections and the shape of the wires.
