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AFM systems take a tip from nanowires

In response to requests from the semiconductor industry, researchers have demonstrated that atomic force microscope (AFM) probe tips made from its near-perfect gallium nitride nanowires are superior in many respects to standard silicon or platinum tips in measurements of critical importance to microchip fabrication, nanobiotechnology, and other endeavors.

Posted: May 23rd, 2014

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Flatland optics with graphene

Researchers introduced a platform technology based on optical antennas for trapping and controlling light with the one-atom-thick material graphene. The experiments show that the dramatically squeezed graphene-guided light can be focused and bent, following the fundamental principles of conventional optics.

Posted: May 23rd, 2014

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Researchers develop 'wireless' nanotechnology for studying neurons

Yang Xiang, PhD, assistant professor of neurobiology, has received a three-year, $900,000 grant from the Human Frontiers Science Program to lead an international team of scientists in the development and implementation of a new optogenetic platform that can remotely activate neurons inside a free-moving organism.

Posted: May 22nd, 2014

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Resonant energy transfer from quantum dots to graphene

This study demonstrated that the thickness of the organic molecule layer that typically surrounds the quantum dots is crucial in attaining sufficiently high efficiency of this light/energy transfer into the graphene. In other works, the thinner the organic layer, the better.

Posted: May 22nd, 2014

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