1. School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, UK
2. SuperSTEM Laboratory, SciTech Daresbury Campus, Keckwick Lane, Daresbury WA4 4AD, UK
3. School of Chemical and Process Engineering and School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
4. Electron Physical Sciences Imaging Centre, Diamond Light Source Ltd., Oxfordshire OX11 0DE, UK
5. Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UK