**Author details**

I. Levchenko1,2, Z.-J. Han1,2, S. Kumar1,2, S. Yick1,2, J. Fang1,3 and K. Ostrikov1,2

1 Plasma Nanoscience Centre Australia (PNCA), CSIRO Materials Science and Engineering, Lindfield, Australia

2 Plasma Nanoscience, School of Physics, The University of Sydney, Sydney, Australia

3 School of Physics, The University of Melbourne, Parkville, VIC, Australia
