Comparative study on beryllium and magnesium as a co-doping element for ZnO:N
Su Yu-Quan1, †, 
, Chen Ming-Ming2, 3, †, , Su Long-Xing1, Zhu Yuan1, ‡, , Tang Zi-Kang1, 3
, Chen Ming-Ming2, 3, †, , Su Long-Xing1, Zhu Yuan1, ‡, , Tang Zi-Kang1, 3 XPS results of Zn 2p 3/2 (a) and O 1s (b) electrons of ZnO with different dopants.
