(Phys.org) -- Researchers creating electricity through photovoltaics want to convert as many of the sun’s wavelengths as possible to achieve maximum efficiency. Otherwise, they’re eating only a small part of a shot ...
Nanophysics
Jun 18, 2012
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Gallium nitride (GaN) is a highly promising material for a wide range of optical and high-power electronic devices, which can be fabricated by dry etching with plasmas. However, the plasma-induced defects and surface residues ...
Condensed Matter
Jun 14, 2012
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Chinese researchers have succeeded in transferring gallium nitride (GaN) light-emitting diodes (LEDs) grown on a layer of silicon to a layer of copper.
General Physics
Jun 14, 2012
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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 were able to successfully ...
Electronics & Semiconductors
May 21, 2012
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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.
Nanophysics
May 8, 2012
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Broadly speaking, the two major areas of research at MIT’s Microsystems Technology Laboratory (MTL) are electronics — transistors in particular — and microelectromechanical systems, or MEMS — tiny mechanical ...
Electronics & Semiconductors
Mar 7, 2012
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A new technique that paves the way for manufacturing affordable LED light bulbs is to be exploited in the UK, in a deal that researchers say could have a dramatic impact on carbon emissions.
Energy & Green Tech
Feb 7, 2012
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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 properties of ...
Nanophysics
Jan 6, 2012
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The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers to ultra-small ...
Nanophysics
Nov 29, 2011
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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 be the first LEDs ...
Nanophysics
Oct 31, 2011
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