1. Department of Mechanical Engineering, Imperial College London, Exhibition Road, South Kensington, London SW7 2AZ, United Kingdom
2. Soft Condensed Matter Group, Diamond Light Source, Diamond House, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
3. Department of Earth Sciences, The Natural History Museum, Cromwell Road,
South Kensington, London SW7 5BD, United Kingdom
4. Department of Earth Science and Engineering, Imperial College London, Exhibition Road, South Kensington, London SW7 2AZ, United Kingdom
5. Imaging and Analysis Centre, The Natural History Museum, Cromwell Road, South Kensington, London SW7 5BD, United Kingdom