Researchers at the Department of Energy's Oak Ridge National Laboratory made the first observations of waves of atomic rearrangements, known as phasons, propagating supersonically through a vibrating crystal lattice—a discovery ...
General Physics
May 17, 2018
0
174
The vibration of a molecule on a surface contains critical information on the molecule-surface interaction, crucial for understanding surface phenomena and for important processes like catalysis. It was previously investigated ...
Materials Science
May 10, 2018
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4
Sheet-like materials can have intriguing properties that could benefit devices from flexible electronics to solar cells. Researchers think they can customize the properties of these materials by using light pulses to rapidly ...
Nanophysics
Apr 10, 2018
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23
Researchers have taken a key step toward helping wildlife coexist more safely with wind power generation by demonstrating the success of an impact detection system that uses vibration sensors mounted to turbine blades.
Ecology
Mar 19, 2018
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12
You can't hear most of them, but the world is running on different kinds of mechanical oscillations. For example, inside the average electronic wristwatch is a sealed canister containing a 3 mm long quartz crystal resonator. ...
Optics & Photonics
Aug 31, 2017
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8
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have developed a new way to track dynamic molecular features in soft materials, including the high-frequency molecular vibrations that transmit ...
Nanophysics
Jun 7, 2017
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18
Like conventional pacemakers, tiny new leadless pacemakers are designed to work for about 12 years.
Engineering
May 19, 2017
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5
Energy dissipation is a key ingredient in understanding many physical phenomena in thermodynamics, photonics, chemical reactions, nuclear fission, photon emissions, or even electronic circuits, among others.
Quantum Physics
May 16, 2017
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12
A new ultrafast technique, using high-energy electrons coupled to a laser pump, revealed insights into atomic vibrational dynamics in a laser-heated gold thin film. This technique directly measured the phonon spectrum (quantized ...
General Physics
Jan 30, 2017
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19
Supercomputers can calculate how a molecule's atoms move, giving insights for astrophysics, fuel use, and more. To determine a molecule's rotational and vibrational energies, chemists collect data about the positions of its ...
Materials Science
Jan 30, 2017
0
6
