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Picosecond slow-motion confirms oxide materials exhibit considerably faster switching properties than semiconductors

As part of an international team of researchers, scientists at the Helmholtz Center Berlin have observed the switching mechanism from a non-conducting to a conducting state in iron oxide (specifically, magnetite) with previously unrealized precision. This switching mechanism, which in oxides proceeds in two consecutive steps, is thousands of times faster than it is in current transistors.

Posted: Jul 30th, 2013

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Engineering at the atomic scale to curb global carbon emissions

Could a substance that resembles baby powder curb global carbon emissions? Wake Forest University researchers believe so, and a new Department of Energy grant worth more than $1 million will enable them and collaborators at the University of Texas at Dallas to design a novel material that could help revolutionize green engineering.

Posted: Jul 30th, 2013

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Pushing microscopy beyond standard limits

Engineers at the California Institute of Technology have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms the best available standard microscope

Posted: Jul 29th, 2013

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Tetrapod quantum dots light the way to stronger polymers

Fluorescent tetrapod nanocrystals could light the way to the future design of stronger polymer nanocomposites. Researchers have developed an advanced opto-mechanical sensing technique based on tetrapod quantum dots that allows precise measurement of the tensile strength of polymer fibers with minimal impact on the fiber's mechanical properties.

Posted: Jul 29th, 2013

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