1. Condensed Matter Physics of Energy Materials, Division of X-ray Photon Science, Department of Physics and Astronomy, Uppsala University, Box 516, 751 20 Uppsala, Sweden
2. Department of Chemistry – Ångström Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden
3. Department of Materials, University of Oxford, Oxford, OX1 3PH, UK
4. Swiss Light Source, Photon Science Division, Paul Scherrer Institut, CH-5232, Villigen PSI, Switzerland