1. Department of Design & Engineering, NanoCorr, Energy & Modelling (NCEM) Research Group, Bournemouth University, Poole, UK
2. National Centre for Advanced Tribology at Southampton (nCATS), Faculty of Engineering and the Environment, University of Southampton, Southampton, UK
3. Physical Sciences Division, Defence Science and Technology Laboratory (DSTL), Ministry of Defence, Porton Down, Salisbury, UK