1. NUSNNI-NanoCore; National University of Singapore; 5A Engineering Drive 1, #11-00 Singapore 117411 Singapore
2. Singapore Synchrotron Light Source; National Research Foundation Singapore; 5 Research Link Singapore 117603 Singapore
3. Department of Physics; National Univeristy of Singapore; 2 Science Drive 3 Singapore 117551 Singapore
4. Department of Material Science and Engineering; National University of Singapore; 9 Engineering Drive 1 Singapore 117575 Singapore
5. Department of Electrical and Computer Engineering; National University of Singapore; 4 Engineering Drive 3 Singapore 117583 Singapore
6. NUS Graduate School for Integrative Sciences & Engineering; National University of Singapore, Centre for Life Sciences (CeLS), #05-01; 28 Medical Drive Singapore 117456 Singapore