Carbide LED production soon stopped when a different material, gallium nitride, showed 10–one hundred times brighter emission. This difference in efficiency is mainly because of the unfavorable indirect bandgap of SiC, whereas GaN includes a direct bandgap which favors light emission. SiC devices are particularly suited to automotive because they https://www.facebook.com/permalink.php?story_fbid=pfbid023jQxeVy52AsHEdLgYUUCzQHHVugzumuuGnk4ZXvAix3r82eShmbTvYBWMCrGqAVql&id=61562415773754&__cft__[0]=AZWIQoC7Tcp_dN2yc4xY5JQg5ThEziR3AnWeJ7TPISQm4woiWnr3LrL-gvyncoIslUFQY2tRYqRyd3LjWm5MQWspQnWCA7e5hKG70JUSchWUyOtOfOw5rJf2_tSYJ3S9H2-uQBBm_N679lESDw12waRuBxZHpqARktR-i3Ekkvariw8XN90vB92U9J-iP2obqIT6O9IDDFlJPE-dDYMCzprk&__tn__=%2CO%2CP-R