Author Affiliations

Sher-Yi Chiam,^1,2 Ranjan Singh,^3,4 Weili Zhang,⁴ and Andrew A. Bettiol^1,*

¹Center for Ion Beam Applications, Department of Physics, National University of Singapore

²NUS High School of Mathematics and Science, 20 Clementi Avenue 1, Singapore 129957

³School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078

⁴Center for Integrated Nanotechnologies, Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA

^*Corresponding author: phybaa@nus.edu.sg