1. School of Materials Science & Engineering, Nanyang Technological University, Singapore 639798, Singapore
2. Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371, Singapore
3. Institute of High Performance Computing, Agency for Science, Technology and Research, 1 Fusionopolis
Way, #16-16 Connexis, Singapore 138632, Singapore
4. NOVITAS,
Nanoelectronics Centre of Excellence, School of Electrical and Electronic
Engineering, Nanyang Technological University, Singapore 639798, Singapore