Park, Chunghyun; Park, Jung-Hoon; Rodriguez, Christophe; Yu, HyeonSeung; Kim, Minkwan; Jin, Kyoungsuk; Han, Seungyong; Shin, Jonghwa; Ko, Seung Hwan; Nam, Ki Tae; Lee, Yong-Hee; Cho, Yong-Hoon; Park, YongKeun
Physical Review Letters, Vol.113 No.11, p. 113901