1. Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576
2. GLOBALFOUNDRIES Singapore Pte. Ltd, Singapore 738406
3. Institute of Materials Research and Engineering (IMRE), Agency of Science Technology and Research (A*STAR), Singapore 117602
4. Department of Chemical and Biomolecular Engineering, National University of Singapore, Chemical and Pharmaceutical Engineering Programme, Singapore-MIT Alliance, Singapore 117576
5. Department of Electrical and Computer Engineering, National University of Singapore, Advanced Materials for Micro- and Nano-Systems Programme, Singapore-MIT Alliance, Singapore 117576