1 - 10 of 16 articles
Drastic measures aimed at reducing carbon emissions must be taken now to avoid the devastating effects of global warming on our future.
Despite recent advances, thermoelectric energy conversion will never be as efficient as steam engines. That means thermoelectrics will remain limited to applications served poorly or not at all by existing technology. Bad news for thermoelectricians, but the climate crisis requires that we face...
The role of catalysts is greater than simply increasing the rate of a reaction. Modifying nanoparticles enhances two significant catalyst attributes: selectivity and thermal stability.
The chain-forming tendency of chalcogens like tellurium can be used as an efficient internal redox system capable of switching electronic conduction from n-type to p-type through small temperature changes.
Controlled assembly of diblock copolymers in which one of the blocks is crystalline enables the growth of a series of complex nano-architectures in a controlled fashion.
The spin injection efficiency from a ferromagnetic electrode into an organic layer has been successfully probed by two purpose-made techniques. The observed spin diffusion lengths of tens of nanometres hold promise for potential spintronics applications.
Nanocrystalline materials show significantly different mechanical properties than their bulk counterparts. An in situ microscopy study of Al nanocrystals is now able to directly observe the role of dislocations in tensile deformation and uncover a sensitivity to the strain rate.
Semiconductors are key materials in modern electronics and are widely used to build, for instance, transistors in integrated circuits as well as thermoelectric materials for energy conversion, and there is a tremendous interest in the development and improvement of novel materials and...
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