| Affiliation: | 1. Center for Functional Interfaces of Correlated Electron Systems, Institute for Basic Science (IBS), Seoul, 151–747, Korea, Department of Physics and Astronomy, Seoul National University, , Seoul, 151–747 Korea;2. School of Nano and Advanced Materials Engineering, Changwon National University, , Changwon, 641–773 Korea;3. Department of Physics, Chonbuk National University, , Jeonju, 561–756 Korea;4. Department of Physics, Soongsil University, , Seoul, 156–743 Korea;5. Department of Physics, University of Suwon, , Hwaseong, 445–743 Korea |
