Carbide LED production before long stopped when a different material, gallium nitride, showed 10–one hundred times brighter emission. This difference in efficiency is due to unfavorable indirect bandgap of SiC, whereas GaN features a direct bandgap which favors light emission. A layer of silicon carbide gives coated fuel particles structural https://www.facebook.com/permalink.php?story_fbid=pfbid0FHeTxfkLKsmuMojqgNnafZDwyozm3yxChk5FbNzfVtdqZ7JuijdhjAKbFB4azyBPl&id=61560512640678&__cft__[0]=AZXYslvD_fdrZ3qCzDbzHtiO-d6Nu0edQvZaeZxum5BMHmTTlhKakNwQW00Wz1oBtpO3wQK3hmspBFZlop-dLmQXsEutduIySKYOTUxWoTzQ9OIwrc7N44B8P3sp5wGZP5RPO60PcRUw4TM1scNPdUmMAwdfNwMJrzrvXZcsmIHIgjw9zzQ2-HOJMvSeDIiSsoobDxrS66ry76liL5_H2tMZ&__tn__=%2CO%2CP-R