1. Department of Materials Science and Metallurgy University of Cambridge 27 Charles Babbage Road Cambridge CB3 0FS UK
2. CAS Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of Nanomaterials Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 China
3. Diamond Light Source Didcot Oxfordshire OX11 0QX UK
4. Central Laser Facility Science and Technology Facilities Council Rutherford Appleton Laboratory Harwell Science and Innovation Campus Oxfordshire OX11 0QX UK
5. Materials and Structural Analysis Thermo Fisher Scientific Achtseweg Noord 5 5651 GG Eindhoven The Netherlands
6. The Faraday Institution Quad One Harwell Science and Innovation Campus Didcot UK