1 - 10 of 22 articles
Light-concentration effects in photonic nanostructures, reviewed in this issue, promise new applications ranging from tumour therapy to catalysis and enhanced solar cells.
A solar-cell design based on silicon microwires achieves efficient absorption of sunlight while using only 1% of the active material used in conventional designs.
Conflicting observations of the speed at which various ferromagnetic materials respond to an external femtosecond laser excitation have generated considerable controversy. It is now shown that ferromagnets can be divided in two categories, according to the values of specific magnetic parameters.
A plethora of chemical tools is necessary for probing the surface reconstruction of a complex metal oxide.
The observation of Aharonov–Bohm oscillations in nanoribbons of Bi2Se3 opens the way for electronic transport experiments in nanoscale three-dimensional topological insulators.
The formation of vortices in multiferroic hexagonal manganites, where the sign of electric polarization changes six times around the vortex core, points towards the origin of composite multiferroic domain walls.
Plasmonic structures are ideally suited to manipulate light on a scale that is much smaller than the wavelength of the plasmon resonance. This review discusses the applications arising from such extreme light concentration, which range from photonic devices and photovoltaics to localized thermal...
This review article surveys the potential of using plasmonic nanostructures to enhance the absorption of photovoltaic devices. As a result, the physical thickness of solar cells can be reduced, leading to new photovoltaic-device designs.
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