Mg acceptor activation mechanism and hole transport characteristics in highly Mg-doped AlGaN alloys
Xu Qing-Jun1, 2, Zhang Shi-Ying1, 2, Liu Bin1, ‡, Li Zhen-Hua1, 2, Tao Tao1, Xie Zi-Li1, §, Xiu Xiang-Qian1, Chen Dun-Jun1, Chen Peng1, Han Ping1, Wang Ke1, Zhang Rong1, Zheng You-Liao1
       

Low-temperature (120 K) CL spectra of undoped and highly Mg-doped AlxGa1 − xN alloys with varying x (0.23, 0.35, and 0.57) with dashed lines and solid lines denoting undoped and Mg-doped samples, respectively.