Recent progress of the native defects and p-type doping of zinc oxide*

Project supported by the State Key Program for Basic Research of China (Grant No. 2011CB302003), the National Natural Science Foundation of China (Grant Nos. 61274058, 61322403, 61504057, and 61574075), the Natural Science Foundation of Jiangsu Province, China (Grant Nos. BK20130013 and BK20150585), and the Six Talent Peaks Project in Jiangsu Province, China (Grant No. 2014XXRJ001).

Tang Kun, Gu Shu-Lin, Ye Jian-Dong, Zhu Shun-Ming, Zhang Rong, Zheng You-Dou
       

(color online) (a) SEM micrograph of the surface of sample 1. [(b) and (c)] Corresponding monochromatic CL images recorded in the ranges of 3.349 eV–3.379 eV (near-gap transitions) and 3.296 eV–3.325 eV [(e, A) transition], respectively. (d) SEM micrograph of the cross section of sample 1. [(e) and (f)] Corresponding monochromatic CL images in the same ranges as those in panels (b) and (c), respectively.[44]