AlGaN基深紫外發光器件設計與仿真研究Design and simulation of AlGaN-based Deep Ultraviolet Emitters劉玉懷鄭州大學電氣與信息工程學院教授、科技部電子材料與系統國家級國際聯合研究中心主任、河南省電子材料與系統國際聯合實驗室主任LIU YuhuaiProfessor and Director of National Center for International Joint Research of Electronic Materials and Systems, International Joint-Laboratory of Electronic Materials an