1. Department of Materials, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
2. Diamond Light Source Ltd, Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK
3. Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
4. Department of Materials, University of Oxford, Oxford, OX1 3PH, UK
5. Electron Physical Science Imaging Centre, Diamond Light Source Ltd, Didcot, Oxfordshire, OX11 0DE, UK