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News About Nano Technology
February 21, 2012
Researchers Find Strange New Nano-region Can Form in Quasicrystals
Ames, IA (SPX) Feb 21, 2012
A team of international researchers has discovered a new type of structural anomaly, or defect, that can appear in quasicrystals, a unique material with some crystal-like properties but a more complex structure. Pat Thiel, senior chemist at the U.S. Department of Energy's Ames Laboratory, led the international team, which includes scientists from the Institut Jean Lamour at Nancy-Universite in France. In crystals, a "defect" refers to any departure from perfect structural symmetry. While the ... read more

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Reducing ion exchange particles to nano-size shows big potential
Sometimes bigger isn't better. Researchers at the U.S. Department of Energy's Savannah River National Laboratory have successfully shown that they can replace useful little particles of monosodium t ... more
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Nanorod-Assembled Order Affects Diffusion Rate and Direction
Some of the recent advancements in nanotechnology depend critically on how nanoparticles move and diffuse on a surface or in a fluid under non-ideal to extreme conditions. Georgia Tech has a team of ... more
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Stanford engineers weld nanowires with light
One area of intensive research at the nanoscale is the creation of electrically conductive meshes made of metal nanowires. Promising exceptional electrical throughput, low cost and easy processing, ... more
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Bright Lights of Purity
To the lengthy list of serendipitous discoveries - gravity, penicillin, the New World - add this: Scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkele ... more
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Perfect nanotubes shine brightest
A painstaking study by Rice University has brought a wealth of new information about single-walled carbon nanotubes through analysis of their fluorescence. The current issue of the American Ch ... more
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Self-assembling nanorods
A relatively fast, easy and inexpensive technique for inducing nanorods - rod-shaped semiconductor nanocrystals - to self-assemble into one-, two- and even three-dimensional macroscopic structures h ... more
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Nano-oils keep their cool
Rice University scientists have created a nano-infused oil that could greatly enhance the ability of devices as large as electrical transformers and as small as microelectronic components to shed ex ... more
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Rice professor's nanotube theory confirmed
The Air Force Research Laboratory in Dayton, Ohio, has experimentally confirmed a theory by Rice University Professor Boris Yakobson that foretold a pair of interesting properties about nanotube gro ... more
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UK researchers shed light on magnetic mystery of graphite
The physical property of magnetism has historically been associated with metals such as iron, nickel and cobalt; however, graphite - an organic mineral made up of stacks of individual carbon sheets ... more
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Graphene: Impressive capabilities on the horizon
The Air Force Office of Scientific Research (AFOSR), along with other funding agencies, helped a Rice University research team make graphene suitable for a variety of organic chemistry applications- ... more
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Bilayer graphene works as an insulator
A research team led by physicists at the University of California, Riverside has identified a property of "bilayer graphene" (BLG) that the researchers say is analogous to finding the Higgs boson in ... more
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Help Avoid Potential Risks From Rapidly Evolving Nano Tech
Despite extensive investment in nanotechnology and increasing commercialization over the last decade, insufficient understanding remains about the environmental, health, and safety aspects of nanoma ... more
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Water sees right through graphene
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 ... more
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Nature Materials Study: Graphene "Invisible" to Water
Graphene is the thinnest material known to science. The nanomaterial is so thin, in fact, water often doesn't even know it's there. Engineering researchers at Rensselaer Polytechnic Institute ... more
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Optical nanoantennas enable efficient multipurpose particle manipulation
University of Illinois researchers have shown that by tuning the properties of laser light illuminating arrays of metal nanoantennas, these nano-scale structures allow for dexterous optical tweezing ... more
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Graphene quantum dots: The next big small thing
A Rice University laboratory has found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedi ... 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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