News tagged with gallium nitride

Related topics: transistors

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.

Physics / General Physics

created Dec 08, 2009 | popularity 4.7 / 5 (38) | comments 6

Low-cost LEDs to slash household electric bills

A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.

Technology / Engineering

created Jan 29, 2009 | popularity 4.5 / 5 (33) | comments 30

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

created Dec 21, 2009 | popularity 4.8 / 5 (22) | comments 1

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 ...

Nanotechnology / Nanophysics

created Jun 17, 2011 | popularity 4.9 / 5 (18) | comments 2 | with audio podcast feature

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 ...

Technology / Semiconductors

created Mar 24, 2010 | popularity 4.8 / 5 (16) | comments 3 | with audio podcast report

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.

Chemistry / Materials Science

created Aug 30, 2011 | popularity 4.9 / 5 (15) | comments 16 | with audio podcast

Fast Transistors Could Save Energy

(PhysOrg.com) -- Transistors, the cornerstone of electronics, are lossy and therefore consume energy. Swiss esearchers from the ETH Zurich and EPF Lausanne have developed transistors targeting high switching ...

Technology / Semiconductors

created Apr 20, 2010 | popularity 4.4 / 5 (15) | comments 4 | with audio podcast

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 ...

Technology / Semiconductors

created Sep 16, 2009 | popularity 5 / 5 (11) | comments 1

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.

Physics / General Physics

created Apr 25, 2011 | popularity 5 / 5 (11) | comments 18 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Oct 31, 2011 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

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.

Technology / Semiconductors

created Oct 04, 2010 | popularity 4.8 / 5 (10) | comments 4 | with audio podcast

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 ...

Nanotechnology / Nanophysics

created Jul 05, 2011 | popularity 5 / 5 (8) | comments 6 | with audio podcast

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 ...

Technology / Semiconductors

created May 21, 2012 | popularity 4.4 / 5 (8) | comments 0

New technique boosts high-power potential for gallium nitride electronics

Gallium nitride (GaN) material holds promise for emerging high-power devices that are more energy efficient than existing technologies – but these GaN devices traditionally break down when exposed to ...

Technology / Semiconductors

created Feb 02, 2011 | popularity 4.9 / 5 (7) | comments 0 | with audio podcast

Panasonic Develops A Gallium Nitride (GaN) Terahertz Detector with High Sensitivity

Panasonic today announced the development of a new terahertz (THz) detector using a Gallium Nitride (GaN) transistor. The detector exhibits the world highest sensitivity at room temperature. The GaN-based ...

Technology / Semiconductors

created Jun 23, 2010 | popularity 5 / 5 (6) | comments 2