(Phys.org)—Scientists from the U.S. Department of Energy's National Renewable Energy Laboratory and other labs have demonstrated a process whereby quantum dots can self-assemble at optimal locations in nanowires, a breakthrough ...
Nanophysics
Feb 11, 2013
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(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked together. TIs ...
Nanomaterials
Feb 8, 2013
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A new generation of the HTL process can convert all kinds of biomasses to crude bio-oil, which is sufficiently similar to fossil crude oil that a simple thermal upgrade and existing refinery technology can be employed to ...
Energy & Green Tech
Feb 6, 2013
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The NIMS Structural Materials Unit, in joint research with a group at the Kumamoto University Graduate School of Science and Technology, experimentally measured the 3-D electronic state of pure iron and discovered a phenomenon ...
General Physics
Jan 29, 2013
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Memory is a central component of any computer or mobile device. Digital memories must not only store large amounts of data in a small space—and in a way that it is conveniently written, read and erased—but also meet ever-increasing ...
Condensed Matter
Jan 16, 2013
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(Phys.org)—In cold regions on earth, negative temperatures on the Fahrenheit or Celsius scale can often occur in winter; in physics, however, they were so far impossible. On the absolute temperature scale that is used by ...
General Physics
Jan 4, 2013
54
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(Phys.org)—An international collaboration led by researchers from the NIST Center for Nanoscale Science and Technology has demonstrated the ability to make photons emitted by quantum dots at different frequencies identical ...
Quantum Physics
Dec 20, 2012
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A laser capable of working in the terahertz range – that of long-wavelength light from the far infrared to 1 millimetre – enables the 'fingerprint' of, say, a drug to be examined better than can be done using chemical ...
General Physics
Dec 19, 2012
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(Phys.org)—An international team led by Xiang-Feng Zhou and Artem R. Oganov, PhD, theoretical crystallographers in the Department of Geosciences and Department of Physics and Astronomy at Stony Brook University, have established ...
Condensed Matter
Dec 14, 2012
4
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(Phys.org)—A North Carolina State University researcher has taken a "snapshot" of the way particles combine to form carbon-12, the element that makes all life on Earth possible. And the picture looks like a bent arm.
General Physics
Dec 10, 2012
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