Nanotechnology News – Latest Headlines

Energy flow in the nano range

It is crucial for photovoltaics and other technical applications, how efficiently energy spreads in a small volume. With new methods, the path of energy in the nanometer range can now be followed precisely.

Oct 18th, 2019

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Big improvements in thin-film solar cell efficiency now possible

Researchers have developed a theoretical method to improve the efficiency of thin-film solar cells by up to 33 percent. Flexible thin-film solar cells are needed to supply electrical power to fabrics, clothing, back packs and anywhere that a local autonomous power supply is required.

Oct 18th, 2019

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Paving a way to achieve unexplored semiconductor nanostructures

Researchers grew branched GaAs nanowires with a nontoxic Bi element employing characteristic structural modifications correlated with metallic droplets, as well as crystalline defects and orientations. The finding provides a rational design concept for the creation of semiconductor nanostructures with the concentration of constituents beyond the fundamental limit.

Oct 18th, 2019

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Double layer of graphene helps to control spin currents

In order to make transistors that operate using the spin of electrons, rather than their charge, it is necessary to find a way of switching spin currents on and off. Furthermore, the lifetime of the spins should at least be equal to the time taken for these electrons to travel through a circuit. Scientists have now taken an important step forward by creating a device that meets both of these requirements.

Oct 17th, 2019

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