Author Affiliations +
Zhengqing John Qi,1 Julio A. Rodríguez-Manzo,1 Sung Ju Hong,1,2 Yung Woo Park,2 Eric A. Stach,3 Marija Drndić,1 A. T. Charlie Johnson1
1Univ. of Pennsylvania (United States)
2Seoul National Univ. (Korea, Republic of)
3Brookhaven National Lab. (United States)