News tagged with excitons
Light sensor breakthrough could enhance digital cameras
Jun 18, 2009 |
3.8 / 5 (4) |
0
New research by a team of University of Toronto scientists could lead to substantial advancements in the performance of a variety of electronic devices including digital cameras.
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Discovery brings new type of fast computers closer to reality
Sep 27, 2009 |
4.6 / 5 (34) |
1
Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...
Exciton-based circuits eliminate a 'speed trap' between computing and communication signals
Jun 19, 2008 |
4.7 / 5 (22) |
3
Particles called excitons that emit a flash of light as they decay could be used for a new form of computing better suited to fast communication, physicists at UC San Diego have demonstrated.
Substantial improvement in essential cheap solar cell process
Nanotechnology / Nanomaterials
Mar 20, 2008 |
3.9 / 5 (15) |
0
A cheap alternative to silicon solar cells can be found in dye-sensitised solar cells. This type of cell imitates the natural conversion of sunlight into energy by, for instance, plants and light-sensitive bacteria. Annemarie ...
Researchers send 'heavy photons' over world-record distances
Physics /
Jun 21, 2005 |
5 / 5 (1) |
0
Unsurpassed exciton distances, lifetimes may lead to new form of optical communication When light hits a semiconductor material and is absorbed, its photons can become "excitons," sometimes referred to as "heavy photons" ...
Scientists create new type of nanocrystal
Nanotechnology / Nanomaterials
May 24, 2007 |
3.8 / 5 (19) |
0
U.S. government scientists have created a new type of nanocrystal that can be used as a laser material.
Excitons play peek-a-boo on carbon nanotubes
Jun 07, 2007 |
3.8 / 5 (10) |
0
In the quantum world, photons and electrons dance, bump and carry out transactions that govern everything we see in the world around us. In this week's issue of Science, French and U.S. scientists describe a new technique ...
Physicists Don't Flip Spin but Find Possible Electron Switch
May 28, 2008 |
4.4 / 5 (26) |
4
University of Oregon researchers trying to flip the spin of electrons with laser bursts lasting picoseconds (a trillionth of a second) instead found a way to manipulate and control the spin -- knowledge that may prove useful ...
Electronic 'crowd behavior' revealed in semiconductors
Jul 07, 2007 |
4.6 / 5 (21) |
0
Like crowds of people, microscopic particles can act in concert under the right conditions. By exposing crowd behavior at the atomic scale, scientists discover new states and properties of matter.
Physicists observe new property of matter
Nov 02, 2006 |
4.8 / 5 (61) |
0
Physicists at the University of California, San Diego have for the first time observed the spontaneous production of coherence within "excitons," the bound pairs of electrons and holes that enable semiconductors ...
Stretching exercises shed new light on nanotubes
Apr 12, 2007 |
4.1 / 5 (10) |
0
Stretching a carbon nanotube composite like taffy, researchers at the National Institute of Standards and Technology and the Rochester Institute of Technology have made some of the first measurements of how ...
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