At this week's IEEE International Electron Devices Meeting (IEDM 2012), imec presented the world-first ultra-high frequency Schottky diode based on amorphous IGZO (Indium-Gallium-Zinc Oxide) as semiconductor. This breakthrough ...
Electronics & Semiconductors
Dec 12, 2012
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(Phys.org)—Scientists at the U.S. Department of Energy's (DOE) Ames Laboratory have discovered new ways of using a well-known polymer in organic light emitting diodes (OLEDs), which could eliminate the need for an increasingly ...
Materials Science
Dec 3, 2012
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A small crack in a metal wheel caused Germany's worst-ever rail accident—the 1998 Eschede train disaster. The problem: it was practically impossible to detect damage of that nature to a metal by inspecting it externally. ...
Materials Science
Nov 29, 2012
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Ever tried to paint on top of silicone? After a few hours, the paint will peel off. Annoying. Silicone is a so-called low surface energy polymer, well known from flexible baking forms: A synthetic material that has an extremely ...
Nanomaterials
Aug 27, 2012
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Sunscreens, lotions, and cosmetics contain tiny metal nanoparticles that wash down the drain at the end of the day, or are discharged after manufacturing. Those nanoparticles eventually end up in agricultural soil, which ...
Environment
Aug 20, 2012
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Zinc oxide would be the perfect sunscreen ingredient if the resulting product didn't look quite so silly. Thick, white and pasty, it was once seen mostly on lifeguards, surfers and others who needed serious sun protection.
Bio & Medicine
Jul 11, 2012
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Imagine a white luminous curtain waving in the breeze. Or wallpaper that lights up your room with perfect white light. The applications are not very far away. White LEDs, made from zinc oxide and a conducting polymer, can ...
Nanomaterials
Jul 10, 2012
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(Phys.org) -- By tinkering with a zinc molecule, Virginia Commonwealth University researchers have discovered it can exist in a higher oxidation state, opening the door for a new form of chemistry and new composition of matter.
Materials Science
Jun 15, 2012
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A phenomenon first observed by an ancient Greek philosopher 2,300 years ago has become the basis for a new device designed to harvest the enormous amounts of energy wasted as heat each year to produce electricity. The first-of-its-kind ...
Nanophysics
Jun 13, 2012
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Chemical reactions on the surface of metal oxides, such as titanium dioxide and zinc oxide, are important for applications such as solar cells that convert the sun's energy to electricity. Now University of Washington scientists ...
Materials Science
Jun 7, 2012
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