Author Affiliations +
Ming Li,1,2,3 Qiuhua Wang,4 Pingping Qiu,1,2,5 Yiyang Xie,4 Qiang Kan1,2,5
1Institute of Semiconductors (China)
2Univ. of Chinese Academy of Sciences (China)
3Beijing Key Lab. of Low Dimensional Semiconductor Materals and Devices (China)
4Beijing Univ. of Technology (China)
5Beijing Key Lab. of Low Dimensional Semiconductor Materials and Devices (China)