Chemists from the University of Bonn and their U.S. colleagues at Columbia University in New York have discovered a novel mechanism in catalysis that allows the cheap, environmentally friendly synthesis of certain alcohols. ...
Materials Science
May 24, 2019
0
88
Volkmar Dierolf and an international team demonstrate the possibility of tuning the color of a GaN LED by changing the time sequence at which the operation current is provided to the device.
Optics & Photonics
Apr 29, 2019
3
170
As silicon-based semiconductors reach their performance limits, gallium nitride (GaN) is becoming the next go-to material to advance light-emitting diode (LED) technologies, high-frequency transistors and photovoltaic devices. ...
Condensed Matter
Jun 29, 2018
0
95
Light-emitting diodes—or LEDs, as they are commonly known—have been slowly replacing incandescent light bulbs in applications ranging from car taillights to indicators on electronics since their invention in the 1960s.
Nanophysics
Nov 21, 2017
0
19
Gallium nitride (GaN) has emerged as one of the most important and widely used semiconducting materials. Its optoelectronic and mechanical properties make it ideal for a variety of applications, including light-emitting diodes ...
Condensed Matter
Oct 28, 2016
0
40
Researchers at North Carolina State University have determined that the surface texture of gallium nitride (GaN) materials can influence the health of nearby cells. The work is significant because GaN is a material of interest ...
Nanomaterials
Oct 14, 2016
0
18
Oxygen is indispensable to animal and plant life, but its presence in the wrong places can feed a fire and cause iron to rust.
Electronics & Semiconductors
Jan 12, 2016
0
15
A team of engineers from Cornell University, the University of Notre Dame and the semiconductor company IQE has created gallium nitride (GaN) power diodes capable of serving as the building blocks for future GaN power switches—with ...
Condensed Matter
Dec 15, 2015
0
684
Researchers from North Carolina State University have found a way of binding peptides to the surface of gallium nitride (GaN) in a way that keeps the peptides stable even when exposed to water and radiation. The discovery ...
Materials Science
Dec 18, 2014
0
0
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 high voltages. Now ...
Electronics & Semiconductors
Feb 2, 2011
0
0
