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Researchers demonstrate seamless designing of integrated circuits etched on graphene

Researchers in electrical and computer engineering at University of California, Santa Barbara have introduced and modeled an integrated circuit design scheme in which transistors and interconnects are monolithically patterned seamlessly on a sheet of graphene, a 2-dimensional plane of carbon atoms. The demonstration offers possibilities for ultra energy-efficient, flexible, and transparent electronics.

Posted: Oct 22nd, 2013

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Hydrogel implant enables light-based communication with cells inside the body

As researchers develop novel therapies based on inducing specific cells to do specific things, getting the right message to the right group of cells at the right time remains a major challenge. Now researchers at the Wellman Center for Photomedicine at Massachusetts General Hospital have developed a way to deliver a light signal to specific cells deep within the body.

Posted: Oct 22nd, 2013

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Copper shock: An atomic-scale stress test (w/video)

Scientists used the powerful X-ray laser at the US Department of Energy's SLAC National Accelerator Laboratory to create movies detailing trillionths-of-a-second changes in the arrangement of copper atoms after an extreme shock. Movies like these will help researchers create new kinds of materials and test the strength of existing ones.

Posted: Oct 22nd, 2013

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Graphene: not just a geek gamble

Graphene FET Flagship is an ambitious European project to move graphene out of academic labs and into society, where its applications are expected to have a strong technological and economic impact. Jani Kivioja, a Finnish scientist, is leading the industrial activities within the project. His group looks to solve scientific challenges in order to transform the converging Internet and communications industry.

Posted: Oct 22nd, 2013

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Surface plasmon resonance in interfaced heterodimers

A surprising enhancement was observed in this size regime when two different materials (silver and gold) were interfaced. Through theoretical modeling and quantum-mechanical calculations, quantum effects were determined to be responsible for this enhancement by creating a stronger condition for a "charge-transfer plasmon" resonance. The insight gained about this new mechanism may suggest general strategies for overcoming losses in plasmonic performance in the quantum size regime.

Posted: Oct 22nd, 2013

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