1. Department of Physics
2. Pohang University of Science and Technology
3. Pohang 37673
4. Republic of Korea
5. Department of Materials Science and Engineering
6. Seoul National University
7. Seoul
8. Yonsei University
9. Research Institute of Advanced Materials (RIAM)
10. Center for Superfunctional Materials
11. Department of Chemistry
12. Ulsan National Institute of Science and Technology (UNIST)
13. Ulsan 44919