Carbide LED Production before long stopped when a different material, gallium nitride, showed ten–100 times brighter emission. This difference in efficiency is a result of the unfavorable indirect bandgap of SiC, whereas GaN features a direct bandgap which favors light emission. Will not enable undiluted product or large quantities to https://www.quora.com/profile/Trevor-Flatcher-2/Exploring-the-High-Temperature-Performance-of-Silicon-Carbide-Special-Ceramics-https-www-macrocosmmaterial-com-news-E