AlGaN基深紫外发光器件设计与仿真研究Design and simulation of AlGaN-based Deep Ultraviolet Emitters刘玉怀郑州大学电气与信息工程学院教授、科技部电子材料与系统国家级国际联合研究中心主任、河南省电子材料与系统国际联合实验室主任LIU YuhuaiProfessor and Director of National Center for International Joint Research of Electronic Materials and Systems, International Joint-Laboratory of Electronic Materials an