1. Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. Center for 2-Dimensional and Layered Materials, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
3. Center for Computing Research, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
4. Advanced Light Source, E. O. Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Physikalisches Institut and Würzburg-Dresden Cluster of Excellence ct.qmat, Universität Würzburg, 97074 Würzburg, Germany
6. Walter Schottky Institut and Physik Department, Technische Universität München, Am Coulombwall 4, 85748 Garching, Germany
7. ICFO - Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona 08860, Spain
8. Department of Mechanical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
9. Nanofabrication Facility, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
10. Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
11. Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
12. Institute of Physics, University of Munster, 48149 Münster, Germany
13. 2-Dimensional Crystal Consortium, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
14. Center for Atomically Thin Multifunctional Coatings, The Pennsylvania State University, University Park, Pennsylvania 16802, United States