1. Department of Materials Imperial College London SW7 2AZ UK
2. ICN2 Institut Catalá de Nanociéncia i Nanotecnologia Campus UAB 08913 Bellaterra Barcelona Spain
3. Diamond Light Source Ltd. Diamond House Harwell Science and Innovation Campus, Didcot Oxfordshire OX11 0DE UK
4. Laboratory for Multiscale Materials Experiments (LMX) Paul Scherrer Institute 5232 Villigen Switzerland
5. Department of Chemistry and Applied Biosciences Laboratory of Inorganic Chemistry ETH Zurich 8093 Zurich Switzerland
6. Laboratory of Ion Beam Physics ETH Zurich 8093 Zurich Switzerland
7. CSIC Consejo Superior de Investigaciones Científicas ICN2 Building, Campus UAB 08193 Bellaterra Barcelona Spain