Author Affiliations

Mikko J. Huttunen,^1,* Olli Herranen,² Andreas Johansson,² Hua Jiang,³ Prasantha R. Mudimela,^3,4 Pasi Myllyperkiö,⁵ Godofredo Bautista,¹ Albert G. Nasibulin,³ Esko I. Kauppinen,³ Markus Ahlskog,² Martti Kauranen,¹ and Mika Pettersson⁵

¹Department of Physics, Tampere University of Technology, FI-33101 Tampere, Finland

²Department of Physics, Nanoscience Center, P.O. Box 35, FI-40014 University of Jyväskylä, Finland

³Department of Applied Physics and Center for New Materials, Aalto University, Puumiehenkuja 2, FI-00076 Aalto University, Finland

⁴IACQER Center for Research and Development on Nanotechnology, Malla Reddy Engineering College, Secunderabad-500014, India

⁵Department of Chemistry, Nanoscience Center, P.O. Box 35, FI-40014 University of Jyväskylä, Finland

^*Corresponding author: mikko.j.huttunen@tut.fi