1. NOVITAS, Nanoelectronics Centre of Excellence; School of Electrical and Electronic Engineering; Nanyang Technological University; 639798 Singapore
2. CINTRA CNRS/NTU/THALES; Nanyang Technological University; 639798 Singapore
3. Department of Physics; Faculty of Science; National University of Singapore; Science Drive 3 Singapore 117551 Singapore
4. Centre for Advanced 2D Materials and Graphene Research Centre; National University of Singapore; 6 Science Drive 2 Singapore 117546 Singapore
5. Institute of High Performance Computing; Agency for Science Technology and Research; 1 Fusionopolis Way, #16-16 Connexis Singapore 138632 Singapore