Kim, Rak-Hwan; Bae, Myung-Ho; Kim, Dae Gon; Cheng, Huanyu; Kim, Bong Hoon; Kim, Dae-Hyeong; Li, Ming; Wu, Jian; Du, Frank; Kim, Hoon-Sik; Kim, Stanley; Estrada, David; Hong, Suck Won; Huang, Yonggang; Pop, Eric; Rogers, John A.
Nano Letters, Vol.11 No.9, pp.3881-3886