News tagged with free electrons
Bright lights, small systems: Molecular differentiation using free-electron lasers
(PhysOrg.com) -- Double-core-hole (DCH) states – in which two electrons are ejected from their positions, creating vacancies – occurring at different atomic sites are very sensitive to the chemical ...
Oct 28, 2011 |
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Salt Water System Could Generate Hydrogen
(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy ...
Mar 18, 2009 |
3.8 / 5 (33) |
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Nanobelts support manipulation of light
(PhysOrg.com) -- They look like 2-by-4s, but the materials being created in a Rice University lab are more suited to construction with light.
Oct 14, 2011 |
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Measurement of 'hot' electrons could have solar energy payoff
(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...
May 05, 2011 |
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Theoretical physicists offer explanation of how bacteria might generate radio waves
(PhysOrg.com) -- Four theoretical physicists, led by Allan Widom, of Northeastern University, have published a paper in arXiv, where they show a possible way for some bacteria to produce radio waves. Taking ...
Apr 28, 2011 |
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Radio pulses from pulsar appear to move faster than light
(PhysOrg.com) -- Laboratory experiments in the last few decades have shown that some things can appear to move faster than light without contradicting Einstein's special theory of relativity, but now astrophysicists ...
Jan 14, 2010 |
4.4 / 5 (56) |
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Biochip measures glucose in saliva, not blood
For the 26 million Americans with diabetes, drawing blood is the most prevalent way to check glucose levels. It is invasive and at least minimally painful. Researchers at Brown University are working on a ...
Jan 23, 2012 |
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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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Unpeeling atoms and molecules from the inside out
(PhysOrg.com) -- The first published scientific results from the world's most powerful hard X-ray laser, located at the Department of Energy's SLAC National Accelerator Laboratory, show its unique ability ...
Jun 30, 2010 |
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Research explores applications for new field of electronics
(PhysOrg.com) -- By looking at the way electrons are excited, researchers can gain a better understanding of the new field of transparent electronics.
Mar 07, 2012 |
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Shaking the Fundamentals of Physics: At the Limits of the Photoelectric Effect
With extremely short wavelengths and very high intensities, light-matter interaction seems to be different than previously accepted.
Apr 24, 2009 |
4.3 / 5 (24) |
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Lasers used to make first boron-nitride nanotube yarn (w/ Video)
(PhysOrg.com) -- Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to ...
Nanotechnology / Nanomaterials
Dec 02, 2009 |
4.8 / 5 (15) |
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Elusive 'hot' electrons captured in ultra-thin solar cells
Boston College researchers have observed the "hot electron" effect in a solar cell for the first time and successfully harvested the elusive charges using ultra-thin solar cells, opening a potential avenue to improved solar ...
Dec 11, 2009 |
4.5 / 5 (13) |
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New laser could treat acne with telecom technology
(PhysOrg.com) -- A laser developed at the University of Michigan is designed to melt fat without burning surrounding tissue. It could potentially be used to treat acne, researchers say.
Aug 31, 2011 |
5 / 5 (4) |
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Keep on spinning: A persistent spin state that could revolutionize spintronics
(PhysOrg.com) -- By controlling the collective spin state of highly mobile electrons in semiconductors, researchers in the Materials Sciences Division (MSD) at the U.S. Department of Energy's Lawrence Berkeley ...
Apr 02, 2009 |
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