News tagged with field electron emission
Conical nanocarbon structures could lead to flexible, transparent field emission displays
(PhysOrg.com) -- During the past several years, researchers have used carbon nanotubes and nanofibers to fabricate a variety of transparent, flexible devices, such as OLEDs, transistors, and solar cells. But ...
Nanotechnology / Nanomaterials
Mar 25, 2010 |
4.6 / 5 (14) |
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Electrosmog on the circuit board
Their miniature size is their strength - and also their weakness. Be it in cell phones, cars or computers, electronic components are getting smaller and smaller and increasingly powerful. The smaller they ...
Apr 06, 2009 |
3 / 5 (1) |
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Search results for field electron emission
Good vibes: Coupling electron spin states and carbon nanotube vibrations
(Phys.org) -- An electron’s spin is separate from its motion, and is suitable for use in both highly-precise magnetic sensing as well as a qubit in quantum computing. Recently, scientists at the University ...
May 23, 2012 |
4.7 / 5 (7) |
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Lying in wait for WIMPs: Researchers seek to dramatically increase sensitivity of Large Underground Xenon detector
Although it's invisible, dark matter accounts for at least 80 percent of the matter in the universe. No one knows what it is, but most scientists would bet on weakly interacting massive particles, or WIMPs.
May 23, 2012 |
4 / 5 (7) |
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Measuring transient x-rays with lobster eyes
(Phys.org) -- A technology that mimics the structure of a lobster's eyes is now being applied to a new instrument that could help revolutionize X-ray astronomy and keep astronauts safe on the International ...
May 18, 2012 |
4.3 / 5 (3) |
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Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness
(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...
Chemistry / Analytical Chemistry
May 19, 2012 |
4.8 / 5 (5) |
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A supernova cocoon breakthrough
(Phys.org) -- Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery ...
May 15, 2012 |
4.8 / 5 (6) |
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Photonics: strong vibrations
A new approach to generating terahertz radiation will lead to new imaging and sensing applications. The low energy of the radiation means that it can pass through materials that are otherwise opaque, opening ...
May 10, 2012 |
5 / 5 (3) |
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Portable gas sensors improve atmospheric pollution measurements
Different types of compact, low-power portable sensors under development by three independent research groups may soon yield unprecedented capabilities to monitor ozone, greenhouse gases, and air pollutants. ...
Apr 30, 2012 |
5 / 5 (2) |
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Fermi uses gamma rays to unearth clues about 'empty' space
The SLAC-built Large Area Telescope (LAT), the main instrument of the Fermi Gamma-ray Space Telescope, has been studying the gamma-ray sky for almost four years. During that time, the LAT has identified ...
Apr 20, 2012 |
4.5 / 5 (6) |
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The solar cell that also shines: Luminescent 'LED-type' design breaks efficiency record
To produce the maximum amount of energy, solar cells are designed to absorb as much light from the Sun as possible. Now researchers from the University of California, Berkeley, have suggested – and demonstrated ...
Nanotechnology / Nanomaterials
Apr 19, 2012 |
5 / 5 (15) |
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Ultra-sensitive electrical biosensor unlocks potential for instant diagnostic devices
A new quantum mechanical-based biosensor designed by a team at University of California, Santa Barbara offers tremendous potential for detecting biomolecules at ultra-low concentrations, from instant point-of-care ...
Apr 17, 2012 |
4.6 / 5 (5) |
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List of search results for field electron emission
