1. Institute of Materials
Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634
2. Low
Energy Electronic System (LEES), Singapore-MIT Alliance for Research and Technology (SMART), 1 CREATE Way, #09-01/02 CREATE Tower, Singapore 138602
3. Electrical
and Computer Engineering, National University of Singapore, Singapore 119260
4. Department of Materials Science and Engineering, Sharif University of Technology, Tehran 11155-9466, Iran
5. Discipline of Metallurgy Engineering and Materials Science, IIT Indore, Indore, Madhya Pradesh 453552, India