Nano Letters

Electrified graphene a shutter for light

(Phys.org) -- 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.

Jun 15, 2012
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New nanowire structure absorbs light efficiently

Researchers at Aalto University have developed a new method to implement different types of nanowires side-by-side into a single array on a single substrate. The new technique makes it possible to use different ...

Feb 25, 2015
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Voltage tester for beating cardiac cells

For the first time, scientists have succeeded in recording the current in membrane channels of contracting cardiac cells. To do this, the scientists combined an atomic force microscope with a widely used ...

Feb 17, 2015
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Precision growth of light-emitting nanowires

A novel approach to growing nanowires promises a new means of control over their light-emitting and electronic properties. In a recent issue of Nano Letters, scientists from the U.S. Department of Energy ...

Feb 06, 2015
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