1. Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, USA
2. Condensed Matter Theory Center, University of Maryland, College Park, Maryland 20742, USA
3. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, USA
4. Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
5. Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
6. Maryland Quantum Materials Center, College Park, Maryland 20742, USA