1. School of Chemistry, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
2. Nanoscale and Microscale Research Centre, University of Nottingham, Nottingham NG7 2QL, United Kingdom
3. Central Facility of Electron Microscopy, Electron Microscopy Group of Materials Science, University of Ulm, 89081 Ulm, Germany
4. School of Physics, University of Nottingham, Nottingham NG7 2RD, United Kingdom
5. Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, United Kingdom
6. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Chernivtsi Branch, 58001 Chernivtsi, Ukraine
7. Electron Physical Sciences Imaging Centre, Diamond Light Source ltd, Didcot OX11 0DE, United Kingdom