Kim, Dae-Hyeong; Song, Jizhou; Won, Mook Choi; Kim, Hoon-Sik; Kim, Rak-Hwan; Liu, Zhuangjian; Huang, Yonggang Y.; Hwang, Keh-Chih; Zhang, Yong-Wei; Rogers, John A.
Proceedings of the National Academy of Sciences of the United States of America, Vol.105 No.48, pp.18675-18680