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Physicists Transmit Light through Opaque Materials
Aug 18, 2008 |
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No matter how thick an opaque "scattering material" is, physicists have shown how to weave light through tiny open channels in the material, so that the light passes through on the other side.
Spallation Neutron Source first of its kind to reach megawatt power (w/ Podcast)
Sep 28, 2009 |
4.8 / 5 (9) |
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(PhysOrg.com) -- The Department of Energy's Spallation Neutron Source (SNS), already the world's most powerful facility for pulsed neutron scattering science, is now the first pulsed spallation neutron source ...
NSF Launches Distributed Data Analysis of Neutron Scattering
Jul 05, 2006 |
3.3 / 5 (3) |
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The National Science Foundation (NSF) has awarded nearly $12 million to the California Institute of Technology for computer software to analyze neutron-scattering experiments. The work could show how to design ...
Is random lasing possible with a cold atom cloud?
May 18, 2009 |
4 / 5 (6) |
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(PhysOrg.com) -- Random lasing, Robin Kaiser tells PhysOrg.com, is like standard lasing, with a little bit of a twist: “You don’t know the direction the photons will go, as you do with a more standard laser. This is becaus ...
Scientists prove unconventional superconductivity in new iron arsenide compounds
Jan 09, 2009 |
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(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory used inelastic neutron scattering to show that superconductivity in a new family of iron arsenide superconductors cannot ...
Nanoparticle Scattering Improves Laser Performance
Nanotechnology / Nanomaterials
Jun 04, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- “Light scattering” and “optical performance” are two concepts that usually head in opposite directions, but they have recently been shown to walk happily hand-in-hand. The results are impressive ...
Argonne scientists discover new class of glassy material
Jul 28, 2008 |
4.5 / 5 (34) |
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(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory are dealing with an entirely new type of frustration, but it's not stressing them out.
Reverse Chemical Switching of a Ferroelectric Film
Feb 25, 2009 |
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(PhysOrg.com) -- Ferroelectric materials display a spontaneous electric polarization below the Curie temperature that can be reoriented, typically by applying an electric field. In this study, researchers ...
New tools that model 3D structure of amorphous materials to transform technology driven R&D
Oct 14, 2008 |
4 / 5 (5) |
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(PhysOrg.com) -- Researchers have accurately identified tools that model the atomic and void structures of a network-forming elemental material. These tools may revolutionize the process of creating new solar ...
Computation helps predict heat transfer in diamond
Sep 22, 2009 |
4.5 / 5 (8) |
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(PhysOrg.com) -- Cornell researcher Derek Stewart and collaborators have calculated the exact mechanism by which diamond conducts heat, a breakthrough that could lend insight into many fields, including electronics.
Spallation Neutron Source gets initial go-ahead on second target
Jan 16, 2009 |
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(PhysOrg.com) -- The U.S. Department of Energy has given its initial approval to begin plans for a second target station for the Spallation Neutron Source, expanding what is already the world's most powerful ...
NIST reference materials are 'gold standard' for bio-nanotech research
Nanotechnology / Nanomaterials
Jan 09, 2008 |
5 / 5 (1) |
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The National Institute of Standards and Technology has issued its first reference standards for nanoscale particles targeted for the biomedical research community—literally “gold standards” for labs studying ...
Spallation Neutron Source: America Regains Leadership with World Record
Aug 30, 2007 |
2.8 / 5 (6) |
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The Spallation Neutron Source, the Department of Energy's $1.4 billion research facility at Oak Ridge National Laboratory, has established a new record as the world's most powerful accelerator based source of neutrons for ...
New knowledge about thermoelectric materials could give better energy efficiency
Nanotechnology / Nanomaterials
Oct 07, 2008 |
3.3 / 5 (3) |
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Thermoelectric materials can be assembled into units, which can transform the thermal difference to electrical energy or vice versa – electrical current to cooling. An effective utilization requires however that the material ...
Copolymers block out new approaches to microelectronics at NIST
Mar 12, 2008 |
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In response to the electronics industry’s rallying cry of “smaller and faster,” the next breakthroughs in the electronics size barrier are likely to come from microchips and data storage devices created out ...
