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Researchers find new phase of carbon, make diamond at room temperature

Researchers have discovered a new phase of solid carbon, called Q-carbon, which is distinct from the known phases of graphite and diamond. They have also developed a technique for using Q-carbon to make diamond-related structures at room temperature and at ambient atmospheric pressure in air.

Posted: Nov 30th, 2015

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The switch molecule

A new kind of switch which operates at the nanometre scale has been presented by an international research team. The switch's state can be altered in a targeted manner using a single electron.

Posted: Nov 30th, 2015

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Researchers create electronic plants

Researchers have shown that, using semi-conductive polymers, both analog and digital electronic circuits can be created inside living flowers, bushes and trees.

Posted: Nov 28th, 2015

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Doping powers new thermoelectric material

Researchers report that doping tin selenide with sodium boosts its performance as a thermoelectric material, pushing it toward usefulness. The doped material produces a significantly greater amount of electricity than the undoped material, given the same amount of heat input.

Posted: Nov 26th, 2015

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Coming to a monitor near you: a defect-free, molecule-thick film

An emerging class of atomically thin materials known as monolayer semiconductors has generated a great deal of buzz in the world of materials science. Monolayers hold promise in the development of transparent LED displays, ultra-high efficiency solar cells, photo detectors and nanoscale transistors.

Posted: Nov 26th, 2015

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Whisper gallery modes in silicon nanocones intensify luminescence

Silicon nanocones generate 200 times as much infrared luminescence as comparably sized nanocolumns when excited by visible light. Modelling and experimental results show that due to their geometry, cones are able to sustain what is referred to as whispering gallery modes at infrared wavelengths which can intensify the silicon luminescence. New applications are conceivable, including silicon-based nanolasers.

Posted: Nov 26th, 2015

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