News tagged with electrical conductivity

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Unleashing the power of quantum dot triplets

Quantum computers have yet to materialise. Yet, scientists are making progress in devising suitable means of making such computers faster. One such approach relies on quantum dots—a kind of artificial atom, easily controlled ...

dateJul 24, 2014 in Quantum Physics
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Super-stretchable yarn is made of graphene

(Phys.org) —A simple, scalable method of making strong, stretchable graphene oxide fibers that are easily scrolled into yarns and have strengths approaching that of Kevlar is possible, according to Penn State and Shinshu ...

dateJun 23, 2014 in Nanomaterials
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New material for flat semiconductors

Researchers around the world have been working to harness the unusual properties of graphene, a two-dimensional sheet of carbon atoms. But graphene lacks one important characteristic that would make it even more useful: a ...

dateApr 30, 2014 in Materials Science
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Solving a mystery of thermoelectrics

Materials that can be used for thermoelectric devices—those that turn a temperature difference into an electric voltage—have been known for decades. But until now there has been no good explanation for why just a few ...

dateApr 29, 2014 in Materials Science
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