News tagged with metallic conductor
Magnetic Measurements Question Assumptions About High-Tc Superconductors
Aug 03, 2009 |
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(PhysOrg.com) -- Conquering one of the biggest challenges in the study of high-temperature (high-Tc) superconductors, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have grown ...
Terahertz Waves Are Effective Probes for IC Heat Barriers
May 06, 2009 |
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(PhysOrg.com) -- By modifying a commonly used commercial infrared spectrometer to allow operation at long-wave terahertz frequencies, researchers at the National Institute of Standards and Technology discovered ...
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Research predicts size-induced transition to nanoscale half-metallicity
Nov 02, 2007 |
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How big does a cluster of metal atoms actually have to be before it starts acting like a metal: ductile, malleable and a conductor?
Small graphene wires may be poor conductors
Feb 15, 2008 |
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Ohio University physicists researching electron properties in graphene ribbons have found that narrow wires made of this material may not be good conductors.
On the path to metallic hydrogen
Aug 03, 2009 |
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Hydrogen, the most common element in the universe, is normally an insulating gas, but at high pressures it may turn into a superconductor. Now, scientists at the Carnegie Institution in Washington D.C., US, ...
Light-speed nanotech: Controlling the nature of graphene
Jan 21, 2009 |
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Researchers at Rensselaer Polytechnic Institute have discovered a new method for controlling the nature of graphene, bringing academia and industry potentially one step closer to realizing the mass production ...
How crystal becomes a conductor
Feb 05, 2008 |
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Squeeze a crystal of manganese oxide hard enough, and it changes from an electrical insulator to a conductive metal. In a report published online this week by the journal Nature Materials, researchers use computational modeli ...
Unexpected Hydrides Become Stable Metals at Pressure Near One Quarter Required to Metalize Pure Hydrogen Alone
Oct 12, 2009 |
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(PhysOrg.com) -- From detailed assessments of electronic structure, researchers at the University at Buffalo, Cornell University, Stony Brook University and Moscow State University discovered that unexpected ...
Hydrogen-rich Material Promises Advances in Energy Transmission, Fuel Storage
Aug 20, 2009 |
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(PhysOrg.com) -- Researchers at the Stanford Institute for Materials and Energy Science, a joint institute of SLAC and Stanford University, have produced a hydrogen-rich alloy that could provide insight into ...
Semiconductor giant Infineon upgrades outlook
Nov 19, 2009 |
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German semi-conductor maker Infineon on Thursday upgraded its turnover and profits forecast over the next 12 months because of higher demand from the auto industry and cost cuts.
Glass you can build with: Metallic glass that's stronger and lasts longer
Mar 24, 2009 |
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(PhysOrg.com) -- The normal structure of metals is crystalline. Glass, on the other hand, is amorphous. But it's possible to make amorphous forms of metal, metallic glasses, which can be remarkably strong, ...
Probing the inner secrets of multi-layer carbon nanotubes
Apr 18, 2007 |
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Researchers at the University of Surrey have shown for the first time that knowing the structure of the surface layer of a multi-layer carbon nanotube is not enough to predict its electronic properties. The contribution of ...
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