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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

Electrons get off the track - Scientists find new principle for spin transistor

Researchers have made a significant step in utilizing the electrons' spin for transistor action. If spin-based electronics prevails the new switching concept might turn out to be useful as it allows for switching the spin-polarization of an electric current on and off, tuning it continuously or reading it off electrically by simple resistance measurements.

Posted: Jul 20th, 2012

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Probing the role of disorder in quantum coherence

A new experiment conducted at the Joint Quantum Institute examines the relationship between quantum coherence, an important aspect of certain materials kept at low temperature, and the imperfections in those materials. These findings should be useful in forging a better understanding of disorder, and in turn in developing better quantum-based devices, such as superconducting magnets.

Posted: Jul 20th, 2012

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The artificial finger

European researchers of the projects NanoBioTact and NanoBioTouch delve deep into the mysteries of touch and have developed the first sensitive artificial finger.

Posted: Jul 19th, 2012

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'Loops of light' promising for optical detection of individual molecules

KU Leuven researcher Ventsislav Valev and an international team of colleagues have developed a new method for manipulating light at the nanoscale in order to optically detect single molecules. By shining circularly polarised light on a gold, square-ring shaped nanostructure, the researchers were able to 'activate' the entire surface of the nanostructure, thereby significantly increasing the opportunity for interaction with molecules.

Posted: Jul 18th, 2012

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Researchers use X-ray imaging to observe running batteries in action

Using high-power X-ray imaging of an actual working battery, a Stanford-SLAC team discovered that sulfur particles in the cathode largely remain intact during discharge. Their results could help scientists find new ways to develop commercially viable lithium-sulfur batteries for electric vehicles.

Posted: Jul 18th, 2012

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Scientists mimic nature's vital potassium ion channel

An international team of scientists, including chemist Xiao Cheng Zeng of the University of Nebraska-Lincoln, has created what is in effect a nanoscale sieve that is very selective in what it will allow to pass through -- and performs in much the same way as the potassium ion channels that are vital components of virtually all living cells.

Posted: Jul 18th, 2012

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