1. Faculty of Engineering and Physical Sciences, University of Southampton, University Road, SO17 1BJ Southampton, United Kingdom
2. National Centre for Advanced Tribology Study, University Road, SO17 1BJ Southampton, United Kingdom
3. Faculty of Mechanical and Civil Engineering, Helmut-Schmidt-Univeristy, Holstenhofweg 85, 22043 Hamburg, Germany
4. Advanced Materials Group, Faculty of Electrical Engineering, Czech Technical University in Prague (CTU), Karlovo Náměstí 13, 12135 Prague, Czech Republic
5. Department of Heterogeneous Catalysis, Helmholtz-Zentrum Hereon, Max-Planck-Strasse 1, 21502 Geesthacht, Germany