News tagged with lattice vibrations
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Search results for lattice vibrations
Chemical energy influences tiny vibrations of red blood cell membranes
1hour ago |
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(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...
Pickin' Up Good Vibrations to Produce Green Electricity
Nov 30, 2009 |
4.1 / 5 (11) |
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(PhysOrg.com) -- Vibrations from the environments we live and work in could be much more widely harnessed as a clean source of electricity, due to cutting-edge UK research.
Micromachined piezoelectric harvester drives fully autonomous wireless sensor
Dec 15, 2009 |
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For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. ...
Researchers put a new spin on atomic musical chairs
Dec 02, 2009 |
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Researchers from the National Institute of Standards and Technology and the Naval Research Laboratory have developed a new way to introduce magnetic impurities in a semiconductor crystal by prodding it with ...
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Scientists Investigate Cause of 'Singing Dunes'
Dec 15, 2009 |
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(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...
Dutch PhD student develops device to combat noise
Dec 01, 2009 |
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Johan Wesselink of the University of Twente, The Netherlands, has developed a device to actively combat noise nuisance. This invention curtails sound waves and vibrations by producing anti-noise. The researcher is confident ...
Panasonic Develops A Gallium Nitride (GaN) Inverter IC for Motor Drive with High Efficiency
Dec 08, 2009 |
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Panasonic today announced the development of a Gallium Nitride (GaN) -based monolithic inverter integrated circuit (IC) for motor drive. The integrated six GaN-based transistors can be independently driven ...
Almost two-thirds of pregnant women believe they are regularly exposed to physical risk at work
Dec 17, 2009 |
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A new study shows the employment and sociodemographic characteristics involved in the exposure of pregnant women to workplace hazards. Of these, 56% say they often work standing up or have to lift heavy objects, ...
Physicists propose quantum entanglement for motion of microscopic objects
4 hours ago |
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Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
List of search results for lattice vibrations
