News tagged with gallium nitride
Related topics: transistors
Researchers develop technique to keep cool high-power semiconductor devices used in wireless applications, electric cars
A group of researchers at the University of California, Riverside Bourns College of Engineering have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.
May 08, 2012 |
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LEDs on silicon can reduce production costs
A new manufacturing technology is expected to greatly reduce the cost of light-emitting diodes (LEDs) in the future. For the first time ever, researchers at the Siemens subsidiary Osram Opto Semiconductors ...
May 21, 2012 |
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Nano-LEDs emit full visible spectrum of light
(PhysOrg.com) -- Physicists from Taiwan have designed and fabricated nano-sized light-emitting diodes (LEDs) that emit light spanning the entire visible spectrum. Although the tiny full-color LEDs aren't intended ...
Zinc oxide microwires improve the performance of light-emitting diodes
Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are believed to ...
Oct 31, 2011 |
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Novel alloy could produce hydrogen fuel from sunlight
Scientists from the University of Kentucky and the University of Louisville have determined that an inexpensive semiconductor material can be "tweaked" to generate hydrogen from water using sunlight.
Aug 30, 2011 |
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Zeroing in on the elusive green LED
Researchers at Rensselaer Polytechnic Institute have developed a new method for manufacturing green-colored LEDs with greatly enhanced light output.
Apr 25, 2011 |
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New semiconductor nanowire laser technology could kill viruses, improve DVDs
A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...
Jul 05, 2011 |
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New PV cell generates electricity from IR and UV light
(PhysOrg.com) -- A prototype of a new type of photovoltaic (PV) cell that generates electricity from visible, infrared and ultraviolet light has been demonstrated by a group of Japanese scientists. It could ...
Multifunctional smart sensors and high-power devices on a computer chip
Researchers from North Carolina State University have patented technology that is expected to revolutionize the global energy and communications infrastructure and create U.S. jobs in the process.
Oct 04, 2010 |
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Two chips in one: Researchers combine microprocessor materials
(PhysOrg.com) -- An MIT team led by Tomás Palacios, assistant professor in the Department of Electrical Engineering and Computer Science, has succeeded in combining two semiconductor materials, silicon ...
Sep 16, 2009 |
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3-D view of 1-D nanostructures
Semiconductor gallium nitride nanowires show great promise in the next generation of nano- and optoelectronic systems. Recently, researchers at the McCormick School of Engineering have found new piezoelectric ...
Jan 06, 2012 |
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Gallium nitride transistor could replace silicon
(PhysOrg.com) -- A Cornell researcher has created an extremely efficient transistor made from gallium nitride, which may soon replace silicon as king of semiconductors for power applications.
Dec 08, 2009 |
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Samsung researchers announce breakthrough in growing gallium nitride LEDs on glass
(PhysOrg.com) -- Everyone knows that the LED market is huge, its among other things, the technology behind our big screen TVs. Thats why so many companies are investing so much money in trying ...
Research finds gallium nitride is non-toxic, biocompatible - holds promise for implants
Researchers from North Carolina State University and Purdue University have shown that the semiconductor material gallium nitride (GaN) is non-toxic and is compatible with human cells opening the door ...
Oct 24, 2011 |
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Researcher Uses Graphene Quilts to Keep Things Cool
(PhysOrg.com) -- University of California, Riverside Professor of Electrical Engineering and Chair of Materials Science and Engineering Alexander Balandin is leading several projects to explore ways to use ...
Nanotechnology / Nanomaterials
Dec 21, 2009 |
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