supported by the National Natural Science Foundation of China (Grant Nos. 60536020,60723002,50706022 and 60977022);the National Basic Research Program of China (Grant Nos. 2006CB302800 and 2006CB921106);the National High Techgnology Research and Development Program of China (Grant Nos. 2007AA05Z429 and 2008AA03A194);the Beijing Natural Science Foundation,China (Grant No. 4091001);the Industry,Academia and Research combining and Public Science and Technology Special Program of Shenzhen,China (Grant No. 08CXY-14)
Blue In0.2Ga0.8N multiple quantum wells (MQWs) with InxGa1-xN (x = 0.01 - 0.04) barriers are grown by metal organic vapour phase epitaxy. The internal quantum efficiencies (IQEs) of these MQWs are studied in a w...