Welcome to VerticalNews!
We're a pay-per-view site for premium content. If you'd like to purchase this article, it's only $3.00.
Research from Y. Dong et al Broadens Understanding of Applied Physics
June 15th, 2011
"Raman and emission properties of a nonpolar a-plane InGaN/GaN blue-green light emitting diode (LED) on an r-sapphire substrate are investigated and compared with a conventional c-plane blue-green LED. The output power of the a-plane LED was 1.4 mW at 20 mA," scientists writing in the Journal of Applied Physics report.
"The c-plane LED has higher EQE, but it reaches the maximum at a lower forward current and the droop is faster than the a-plane counterpart. As the reverse bias increased, a blueshift in the PL spectra was not observed in the a-plane structure, which is indicative of an absence of quantum confined Stark effects. However, a strong blueshift in the...
Click here for more articles from Applied Physics
Source: Electronics Newsweekly (2011-06-15)