Researchers in France have reported on solar cell devices based on indium gallium nitride (InGaN) multiple quantum wells (MQWs) [Sirona Valdueza-Felip et al, Appl. Phys. Express, vol7, p032301, 2014]. Conversion efficiencies of up to 2% ...
Tags: Solar Cells, InGaN
Epiwafer foundry and substrate maker IQE plc of Cardiff, Wales, UK says that its epitaxial wafer technology has been used in conjunction with the University of California Santa Barbara (UCSB) to help develop 1.3μm-emitting quantum dot ...
Tags: silicon technology, semiconductor devices, laser components
At last year’s IEEE Applied Power Electronics Conference & Exposition (APEC), Transphorm Inc of Goleta, near Santa Barbara, CA, USA (which designs and delivers power conversion devices and modules) introduced the first - and only - ...
Tags: Transphorm GaN-on-Si, Electrical
University of California Santa Barbara (UCSB) and epiwafer foundry IQE Inc have developed 1.3μm-wavelength indium arsenide (InAs) quantum dot (QD) lasers grown on silicon (Si) with “record performance” [Alan Y. Liu et al, ...
Tags: Silicon, `Quantum Dot Lasers
A new study published in the journal Science says that the total impact of switching to natural gas depends heavily on leakage of methane (CH4) during the natural gas life cycle, and suggests that more can be done to reduce methane ...
Tags: Consumer Electronics, Electronics
ABB says that it is receiving $2.1m of the $70m grant over five years from the Advanced Manufacturing Office within the US Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) that is funding the new Next ...
Tags: ABB, Power Electronics
Epiwafer foundry and substrate maker IQE plc of Cardiff, Wales, UK is to play a key part in a US public-private consortium of more than 25 companies, universities and state and federal organizations selected to lead the Next Generation ...
Tags: IQE, Power electronics, GaN-on-Si, CMOS
California Market Center (CMC) hosted LA Fashion Market on January 12-15, 2014 and began the New Year with a bright outlook following reports of good traffic, new accounts and great orders. The Market opened to buyers on Sunday, ...
Tags: Sunday Market, Apparel
Feeling a little fat after the holidays? Beware. Reading a news story that seems to devalue people who are overweight might make you more likely to reach for snacks to soothe your anxiety. Media stories that focus on topics such as the ...
If you're one of the millions of people who count losing weight among their top New Year's resolutions, you might want to pay careful attention to some new findings by UC Santa Barbara psychology professor Brenda Major. It turns out that ...
Researchers at University of California Santa Barbara (UCSB) have used low-temperature metal-organic chemical vapor deposition (MOCVD) of p-type gallium nitride (GaN) to achieve intentional surface roughening of a solar cell device, thereby ...
Tags: Ingan Solar Cell, MOCVD
A student at California Polytechnic State University, San Luis Obispo, was diagnosed with viral meningitis, but campus officials say it is an isolated case. Cal Poly San Luis Obispo officials said university medical staff see no evidence ...
Tags: health, medicine, bacterial meningitis
University of California Santa Barbara (UCSB) researchers have been studying the effect of using undoped vertical spacers in the source and drain contacts to reduce off-state leakage in indium arsenide (InAs)-channel ...
Tags: Electrical, Electronics, Mosfets
Soraa, the world leader in the development of gallium nitride on gallium nitride (GaN on GaN™) LED technology, announced that it will open a new semiconductor fabrication plant in Buffalo, New York. In partnership with the State of ...
University of California Santa Barbara (UCSB) has been using limited area epitaxy (LAE) to improve the performance of lasers diodes (LDs) grown on free-standing semipolar (20-21) gallium nitride (GaN) substrates [Matthew T. Hardy et al, J. ...