1. School of Materials Science and Engineering; Nanyang Technological University; Singapore 639798 Singapore
2. Centre for Programmable Materials; School of Materials Science and Engineering; Nanyang Technological University; Singapore 639798 Singapore
3. NOVITAS; Nanoelectronics Centre of Excellence; School of Electrical and Electronic Engineering; Nanyang Technological University; Singapore 639798 Singapore
4. CINTRA CNRS/NTU/THALES; UMI 3288, Research Techno Plaza, 50 Nanyang Drive Border X Block, Level 6 Singapore 637553 Singapore