News tagged with lattice vibrations
Researchers uncover transparency limits on transparent conducting oxides
Researchers in the Computational Materials Group at the University of California, Santa Barbara (UCSB) have uncovered the fundamental limits on optical transparency in the class of materials known as transparent ...
Jan 18, 2012 |
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Spin pumping effect proven for the first time
German physicists led by Prof. Dr. Hartmut Zabel have demonstrated the spin pumping effect in magnetic layers for the first time experimentally. The behaviour of the spin pumping had previously only been predicted theoretically. ...
Sep 12, 2011 |
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New mechanism for superconductivity discovered in iron-based superconductors
(PhysOrg.com) -- A research team at RIKEN, Japan’s flagship research organisation has experimentally determined the mechanism underlying the formation of electron pairs in iron-based high-temperature superconductors. ...
Apr 22, 2010 |
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Search results for lattice vibrations
Nanocrystal-coated fibers might reduce wasted energy
(Phys.org) -- Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars.
Nanotechnology / Nanomaterials
Apr 17, 2012 |
4.4 / 5 (9) |
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Liquid-like materials may pave way for new thermoelectric devices
(PhysOrg.com) -- In the continual quest for better thermoelectric materials—which convert heat into electricity and vice versa—researchers have identified a liquid-like compound whose properties ...
Mar 22, 2012 |
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Ultrafast sonograms shed new light on rapid phase transitions
An international team of physicists has developed a method for taking ultrafast 'sonograms' that can track the structural changes that take place within solid materials in trillionth-of-a-second intervals ...
Mar 08, 2012 |
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LED's efficiency exceeds 100%
(PhysOrg.com) -- For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes. Although scientifically intriguing, the results won’t ...
Mar 05, 2012 |
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With single laser pulses on single molecules
(PhysOrg.com) -- Physicists at MPQ (Max Planck Institute) succeed in resolving the internal dynamics of individual molecules using UV femtosecond laser pulses.
Feb 07, 2012 |
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Under the electron microscope -- A 3-D image of an individual protein
(PhysOrg.com) -- When Gang Ren whirls the controls of his cryo-electron microscope, he compares it to fine-tuning the gearshift and brakes of a racing bicycle. But this machine at the U.S. Department of Energy ...
Jan 25, 2012 |
4.9 / 5 (14) |
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World's lightest material developed
A team of researchers from UC Irvine, HRL Laboratories and the California Institute of Technology have developed the world's lightest material – with a density of 0.9 mg / cc – about 100 times lighter ...
Nanotechnology / Nanomaterials
Nov 17, 2011 |
4.6 / 5 (33) |
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An incredible shrinking material: Engineers reveal how scandium trifluoride contracts with heat
(PhysOrg.com) -- They shrink when you heat 'em. Most materials expand when heated, but a few contract. Now engineers at the California Institute of Technology (Caltech) have figured out how one of these curious ...
Nov 07, 2011 |
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Nobel laureate puts the squeeze on hydrogen
Hydrogen, normally a gas, may act like a metal when squeezed under extreme pressure. In that state, competing chemical and physical effects determine its properties, said Nobel laureate Roald Hoffmann, Cornell's ...
Oct 14, 2011 |
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Graphene shows unusual thermoelectric response to light
Graphene, an exotic form of carbon consisting of sheets a single atom thick, exhibits a novel reaction to light, MIT researchers have found: Sparked by light’s energy, the material can produce electric ...
Nanotechnology / Nanomaterials
Oct 07, 2011 |
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List of search results for lattice vibrations
