Efficiency improvement of AlGaN-based deep ultraviolet LEDs with gradual Al-composition AlGaN conduction layer

Ping-yang HUANG; Long-fei XIAO; Xiu-fang CHEN; Qing-pu WANG; Ming-sheng XU; Xian-gang XU; Jing HUANG

doi:10.1007/s11801-020-0072-4

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