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Electrical control of single atom magnets

The energy needed to change the magnetic orientation of a single atom - which determines its magnetic stability and therefore its usefulness in a variety of future device applications - can be modified by varying the atom's electrical coupling to nearby metals.

Posted: Dec 8th, 2013

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Characterizing solar cells with nanoscale precision using a low-energy electron beam

Researchers have demonstrated a new low energy electron beam technique and used it to probe the nanoscale electronic properties of grain boundaries and grain interiors in cadmium telluride (CdTe) solar cells. Their results suggest that controlling material properties near the grain boundaries could provide a path for increasing the efficiency of such solar cells.

Posted: Dec 6th, 2013

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Squeezing transistors really hard generates energy savings

If silicon is squeezed, this affects the freedom of movement of the electrons in this material. This can promote or restrict the flow of electrical current. Compare it to a garden hose. When you stand on it, less water comes out. But strangely enough, the flow of electrons in silicon actually increases when the material is compressed.

Posted: Dec 6th, 2013

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Group talks cyber, nanotechnology in Stockholm

Cyber and nanotechnologies took full focus for 26 of the Partnership for Peace Consortium's Emerging Security Challenges Working Group during a two-day workshop hosted at the Swedish National Defense College in Stockholm November 20-22.

Posted: Dec 6th, 2013

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2014 Biennial to explore nanotechnology as artistic medium

From Sept. 15 to Dec. 22, the 2014 Cornell Council for the Arts (CCA) Biennial, 'Intimate Cosmologies: The Aesthetics of Scale in an Age of Nanotechnology', will feature several events and principal projects by faculty and student investigators and guest artists.

Posted: Dec 5th, 2013

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Researchers create a nonlinear light-generating zero-index metamaterial

Researchers used a unique optical metamaterial with a refractive index of zero to generate 'phase mismatch-free nonlinear light', meaning the generated light waves move through the material gaining strength in all directions. This phase mismatch-free quality holds promise for quantum computing and networking, and future light sources based on nonlinear optics - the phenomena that occur when interactions with light modify a material's properties.

Posted: Dec 5th, 2013

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