1. Diamond Light Source Ltd., Didcot OX11 0DE, U.K.
2. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Department of Material Science & Engineering, University of California, Berkeley, California 94720, United States
4. Department of Chemistry and Biochemistry, Ruhr-University-Bochum, 44780 Bochum, Germany
5. ALBA Synchrotron Light Source, 08290 Cerdanyola del Vallès, Spain
6. Peter Grünberg Institute PGI-6, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
7. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
8. Department of Chemistry, University of California, Berkeley, California 94720, United States