News tagged with oxygen atoms
Solar thermal process produces cement with no carbon dioxide emissions
(Phys.org) -- While the largest contributor to anthropogenic greenhouse gas emissions is the power industry, the second largest is the more often overlooked cement industry, which accounts for 5-6% of all ...
Apr 10, 2012 |
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Study raises questions on what causes silicon solar cell degradation
(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...
Jun 03, 2011 |
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Scientists investigate atomic-scale mechanisms of nanowire growth process
(PhysOrg.com) -- Nanowires can be grown in many ways, but one of the lesser-understood growth processes is vapor-liquid-solid (VLS) growth. In VLS, a vapor adsorbs onto a liquid droplet, and the droplet transports ...
Nov 01, 2010 |
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Etch-a-sketch with superconductors
Reporting in Nature Materials this week, researchers from the London Centre for Nanotechnology and the Physics Department of Sapienza University of Rome have discovered a technique to 'draw' superconducting shapes ...
Aug 22, 2011 |
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Resolving water's electrical properties
An old confusion about the electrical properties of water's surface has ended, thanks to scientists at Pacific Northwest and Lawrence Livermore National Laboratories. The conflict arose because two types of ...
May 18, 2011 |
5 / 5 (6) |
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'Air laser' may sniff bombs, pollutants from a distance (w/ Video)
Princeton University engineers have developed a new laser sensing technology that may allow soldiers to detect hidden bombs from a distance and scientists to better measure airborne environmental pollutants ...
Jan 28, 2011 |
4.1 / 5 (17) |
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Atomic weights of 10 elements on periodic table about to make an historic change
For the first time in history, a change will be made to the atomic weights of some elements listed on the Periodic table of the chemical elements posted on walls of chemistry classrooms and on the inside covers ...
Dec 15, 2010 |
4.1 / 5 (23) |
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Light touch brightens nanotubes (w/ Video)
(PhysOrg.com) -- Rice University researchers have discovered a simple way to make carbon nanotubes shine brighter.
Nanotechnology / Nanomaterials
Dec 02, 2010 |
4.8 / 5 (4) |
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Researchers image atomic structural changes that control properties of sapphires
Materials scientists from Case Western Reserve University and the Institute of Solid State Research in Julich, Germany have produced particularly clear changes in the atomic structure of sapphire following deformation at ...
Nov 25, 2010 |
3.6 / 5 (5) |
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Certain doped-oxide ceramics resist Ohm's Law
For months, Anthony West could hardly believe what he and his colleagues were seeing in the lab -- or the only explanation for the unexpected phenomena that seemed to make sense.
Sep 21, 2010 |
4.8 / 5 (19) |
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Key advance in understanding 'pseudogap' phase in high-Tc superconductors
(PhysOrg.com) -- Scientists have been trying for some 20 years to understand why the low temperature at which copper-oxide superconductors carry current with no resistance can't be increased to be closer to ...
Jul 14, 2010 |
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A new approach to finding and removing defects in graphene (w/ Video)
Graphene, a carbon sheet that is one-atom thick, may be at the center of the next revolution in material science. These ultrathin sheets hold great potential for a variety of applications from replacing silicon ...
Nanotechnology / Nanomaterials
Jun 06, 2010 |
4.9 / 5 (11) |
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New water-splitting catalyst found
(PhysOrg.com) -- Expanding on work published two years ago, MIT's Daniel Nocera and his associates have found yet another formulation, based on inexpensive and widely available materials, that can efficiently ...
May 14, 2010 |
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Oxygen in place of chlorine: Towards a more environmentally friendly propylene oxide synthesis
(PhysOrg.com) -- Propylene oxide is an important bulk chemical that is used primarily in the production of polyurethane plastics. Currently, propylene oxide is usually made from propylene (propene) in a process that uses ...
Nanotechnology / Nanomaterials
Oct 01, 2009 |
4.8 / 5 (4) |
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Dancing 'adatoms' help chemists understand how water molecules split
Single oxygen atoms dancing on a metal oxide slab, glowing brighter here and dimmer there, have helped chemists better understand how water splits into oxygen and hydrogen. In the process, the scientists have visualized a ...
Mar 16, 2009 |
4.4 / 5 (8) |
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