News About Nano Technology
January 26, 2012
Water sees right through graphene
Houston TX (SPX) Jan 24, 2012
Graphene is largely transparent to the eye and, as it turns out, largely transparent to water. A new study by scientists at Rice University and Rensselaer Polytechnic Institute (RPI) has determined that gold, copper and silicon get just as wet when clad by a single continuous layer of graphene as they would without. The research, reported this week in the online edition of Nature Materials, is significant for scientists learning to fine-tune surface coatings for a variety of applications. "T ... read more

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Hydrogen advances graphene use
Physicists at Linkoping University have shown that a dose of hydrogen or helium can render the "super material" graphene even more useful. Graphene has engendered high expectations whereof its ... more
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Magnetic actuation enables nanoscale thermal analysis
Polymer nano-films and nano-composites are used in a wide variety of applications from food packaging to sports equipment to automotive and aerospace applications. Thermal analysis is routinely used ... more
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Quick-Cooking Nanomaterials Make Tomorrow's Solid-State Air Conditioners and Refrigerators
Engineering researchers at Rensselaer Polytechnic Institute have developed a new method for creating advanced nanomaterials that could lead to highly efficient refrigerators and cooling systems requ ... more
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ORNL experiments prove nanoscale metallic conductivity in ferroelectrics
The prospect of electronics at the nanoscale may be even more promising with the first observation of metallic conductance in ferroelectric nanodomains by researchers at Oak Ridge National Laborator ... more
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Scientists solve mystery of colorful armchair nanotubes
Rice University researchers have figured out what gives armchair nanotubes their unique bright colors: hydrogen-like objects called excitons. Their findings appear in the online edition of the Journ ... more
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Graphene reveals its magnetic personality
In a report published in Nature Physics, they used graphene, the world's thinnest and strongest material, and made it magnetic. Graphene is a sheet of carbon atoms arranged in a chicken wire s ... more
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A 3-Dimensional View of 1-Dimensional Nanostructures
Just 100 nanometers in diameter, nanowires are often considered one-dimensional. But researchers at Northwestern University have recently reported that individual gallium nitride nanowires show stro ... more
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Down to the wire as Silicon links shrink to atomic scale
The narrowest conducting wires in silicon ever made - just four atoms wide and one atom tall - have been shown to have the same electrical current carrying capability of copper, according to a new s ... more
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Down to the wire for silicon: Researchers create a wire 4 atoms wide, 1 atom tall
The smallest wires ever developed in silicon - just one atom tall and four atoms wide - have been shown by a team of researchers from the University of New South Wales, Melbourne University and Purd ... more
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Graphene rips follow rules
Research from Rice University and the University of California at Berkeley may give science and industry a new way to manipulate graphene, the wonder material expected to play a role in advanced ele ... more
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Scientists discover graphene nanomaterials with tunable functionality in electronics
Electronics are getting smaller and smaller, flirting with new devices at the atomic scale. However, many scientists predict that the shrinking of our technology is reaching an end. Without an alter ... more
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Nanoantennas show promise in optical innovations
Researchers have shown how arrays of tiny "plasmonic nanoantennas" are able to precisely manipulate light in new ways that could make possible a range of optical innovations such as more powerful mi ... more
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Boron nanoribbons reveal surprising thermal properties in bundles
Size matter... but apparently so does shape - when it comes to conducting heat in very small spaces. Researchers looking at the thermal conductivity of boron nanoribbons have found that they h ... more
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Prototype NIST device measures absolute optical power in fiber at nanowatt levels
Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a prototype device capable of absolute measurements of optical power delivered through an optical fiber. ... more
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Researchers measure nanometer scale temperature
Atomic force microscope cantilever tips with integrated heaters are widely used to characterize polymer films in electronics and optical devices, pharmaceuticals, paints, and coatings. These h ... more
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Voltage increases up to 25 percent observed in closely packed nanowires at Sandia Labs
Unexpected voltage increases of up to 25 percent in two barely separated nanowires have been observed at Sandia National Laboratories. Designers of next-generation devices using nanowires to deliver ... more
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Counting atoms with glass fiber
Glass fiber cables are indispensable for the internet - now they can also be used as a quantum physics lab. The Vienna University of Technology is the only research facility in the world, where sing ... more
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Biocompatible graphene transistor array reads cellular signals
Researchers have demonstrated, for the first time, a graphene-based transistor array that is compatible with living biological cells and capable of recording the electrical signals they generate. Th ... more
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Instant nanodots grow on silicon to form sensing array
Scientists have shown that it is now possible to simultaneously create highly reproductive three-dimensional silicon oxide nanodots on micrometric scale silicon films in only a few seconds. Xa ... more
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Imperfections may improve graphene sensors
Although they found that graphene makes very good chemical sensors, researchers at Illinois have discovered an unexpected "twist"-that the sensors are better when the graphene is "worse"-more imperf ... more
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Graphene lights up with new possibilities
The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable ... more
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Graphene earns its stripes
Researchers from the London Centre for Nanotechnology (LCN) have discovered electronic stripes, called 'charge density waves', on the surface of the graphene sheets that make up a graphitic supercon ... more
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Research reveals shocking new way to create nanoporous materials
Scientists have developed a new method of creating nanoporous materials with potential applications in everything from water purification to chemical sensors. In order to produce a porous mate ... more
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Tiny levers, big moves in piezoelectric sensors
A team of university researchers, aided by scientists at the National Institute of Standards and Technology (NIST), have succeeded in integrating a new, highly efficient piezoelectric material into ... more
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