News tagged with voltage

Electrified graphene a shutter for light

( -- An applied electric voltage can prompt a centimeter-square slice of graphene to change and control the transmission of electromagnetic radiation with wavelengths from the terahertz to the midinfrared.

dateJun 15, 2012 in Nanophysics
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Molecules which flip into their own mirror image

Catalysts do function, despite the fact that not all the chemical reactions (and partial reactions) which occur are fully understood, including those which take place during the treatment of automobile exhaust. If scientists ...

dateMay 29, 2009 in Nanophysics
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New nanoscale electrical phenomenon discovered

At the scale of the very small, physics can get peculiar. A University of Michigan biomedical engineering professor has discovered a new instance of such a nanoscale phenomenon -- one that could lead to faster, less expensive ...

dateMay 18, 2010 in Nanophysics
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Moving forward, spin goes sideways

Building electronic devices that work without needing to actually transport electrons is a goal of spintronics researchers, since this could lead to: reduced power consumption, lower levels of signal noise, faster operation, ...

dateOct 07, 2011 in Quantum Physics
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