1. Department of Chemical Engineering The Pennsylvania State University University Park Berkeley PA 16802 USA
2. Center for 2‐Dimensional and Layered Materials The Pennsylvania State University University Park Berkeley PA 16802 USA
3. Department of Materials Science and Engineering The Pennsylvania State University University Park Berkeley PA 16802 USA
4. Department of Materials Science and Engineering National University of Singapore 9 Engineering Drive Singapore 117575 Singapore
5. Centre for Advanced 2D Materials National University of Singapore 6 Science Drive 2 Singapore 117546 Singapore
6. Department of Physics The Pennsylvania State University University Park Berkeley PA 16802 USA
7. Advanced Light Source Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
8. Institute of Physics University of Münster Münster 48149 Germany
9. Center for Soft Nanoscience University of Münster Münster 48149 Germany
10. Department of Physics Applied Physics and Astronomy Rensselaer Polytechnic Institute Troy NY 12180 USA
11. Physics Department Technical University of Munich Garching 85748 Germany
12. Department of Materials Science and Engineering McMaster University Hamilton Ontario L8S 4L8 Canada
13. Materials Research Institute The Pennsylvania State University University Park Berkeley PA 16802 USA
14. 2‐Dimensional Crystal Consortium The Pennsylvania State University University Park Berkeley PA 16802 USA
15. Canadian Centre for Electron Microscopy Hamilton Ontario L8S 4L8 Canada
16. Department of Physics National University of Singapore Singapore 117551 Singapore
17. NUS Graduate School Integrative Sciences and Engineering Programme National University of Singapore Singapore 117456 Singapore