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$13-million NSF center to explore new ways to manipulate light at the nanoscale
13-09-2011
A new $13-million National Science Foundation center based at the University of Michigan will develop high-tech materials that manipulate light in new ways. The research could enable advances such as invisibility cloaks, nanoscale lasers, high-efficiency lighting, and quantum computers. The ...
New photonic crystals have both electronic and optical properties
26-07-2011
In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal."We've discovered a way to change the three-dimensional structure of a ...
'Amplified' nanotubes may power the future
19-07-2011
Rice University scientists have achieved a pivotal breakthrough in the development of a cable that will make an efficient electric grid of the future possible.Armchair quantum wire (AQW) will be a weave of metallic nanotubes that can carry electricity with negligible loss over long distances. ...
Researchers image atomic structural changes that control properties of sapphires
02-12-2010
Materials scientists from Case Western Reserve University and the Institute of Solid State Research in Jülich, Germany have produced particularly clear changes in the atomic structure of sapphire following deformation at high temperatures. Peering through an electron microscope down to a ...
Quartz crystal microbalances enable new microscale analytic technique
30-11-2010
A new chemical analysis technique developed by a research group at the National Institute of Standards and Technology (NIST) uses the shifting ultrasonic pitch of a small quartz crystal to test the purity of only a few micrograms of material. Since it works with samples close to a thousand ...
Sugar and slice make graphene real nice
Rice University lab finds table sugar, metallic sheets produce pristine graphene in one step
17-11-2010
Future computers may run a little sweeter, thanks to a refinement in the manufacture of graphene at Rice University. Rice researchers have learned to make pristine sheets of graphene, the one-atom-thick form of carbon, from plain table sugar and other carbon-based substances. They do so in a ...
Researchers find a stable way to store the sun's heat
Storing thermal energy in chemical could lead to advances in storage and portability
28-10-2010
Researchers at MIT have revealed exactly how a molecule called fulvalene diruthenium, which was discovered in 1996, works to store and release heat on demand. This understanding, reported in a paper published in the journal Angewandte Chemie, should make it possible to find similar chemicals ...
Smaller is better in the viscous zone
25-10-2010
Being the right size and existing in the limbo between a solid and a liquid state appear to be the secrets to improving the efficiency of chemical catalysts that can create better nanoparticles or more efficient energy sources. When matter is in this transitional state, a catalyst can ...
The effects of hydrogen on growing carbon nanotubes
13-10-2010
Carbon nanotubes -- long, hollow cylinders of carbon billionths of a meter in diameter -- have many potential uses in nanotechnology, optics, electronics, and many other fields. The exact properties of nanotubes depend on their structure, and scientists as yet have little control over that ...
MRI zooms in on microscopic flow
12-10-2010
"Better and faster results!" is the clarion call for scientists and engineers to continually strive to improve their research tools. Of the tools used to study material structures at the atomic and molecular scales, there is none finer than Nuclear Magnetic Resonance (NMR) spectroscopy and ...
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