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Organic semiconductors could one day be used in new types of spintronic devices. Before realistic applications can be achieved however, more experimental and theoretical work is needed to understand the mechanism of spin injection and spin transport.
Although it is tempting to compare organic semiconductors with their inorganic counterparts, the spin-injection and spin-transport properties are fundamentally different. The challenges in understanding and improving such properties make organic spintronics an exciting field in its own right.
In 2004, after two decades' worth of experience investigating the photophysical properties of conducting polymers, Z. Valy Vardeny demonstrated a spin valve with an organic active layer. Nature Materials asked him about his views on the achievements in organic spintronics and the future of the...
The clever exploitation of dark modes in plasmonic nanostructures leads to devices with sharp resonances and low losses that promise applications in biochemical sensing and optical communications.
Delivering biomolecules to living cells in a spatially defined way in vitro could help us to understand more in vivo processes. Using an aqueous two-phase system enables the formation of patterns at the nanolitre scale that can serve as a confined reagent-delivery system for mammalian cells.
Photon correlation spectroscopy with coherent X-rays reveals the elementary diffusive motion of atoms.
The biocatalytic activity of enzyme-loaded responsive layer-by-layer films can be switched on and off by simple mechanical stretching. Soft materials could thus be used to trigger biochemical reactions under mechanical action, with potential therapeutic applications.
Organic semiconductors are characterized by a very low spin–orbit interaction, which, together with their chemical flexibility and relatively low production costs, makes them an ideal materials system for spintronics applications. The first experiments on spin injection and transport occurred...
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