Affiliation: | 1. Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyungbuk, South Korea;2. School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea;3. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, USA;4. Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, USA |