1. II. Physikalisches Institut, Universität zu Köln, Zülpicher Strasse 77, 50937 Köln, Germany
2. St. Petersburg State University, 7/9 Universitetskaya nab., Saint Petersburg 199034, Russia
3. IFW Dresden, P.O. Box 270116, D-01171 Dresden, Germany
4. Department of Chemistry, University of California, Tan Hall 680, Berkeley, California 94720, United States
5. Department of Physical and Chemical Sciences and SPIN-CNR, University of L’Aquila, Via Vetoio 10, I-67100 Coppito, Italy
6. Institut des Nanosciences de Paris, Sorbonne Universités-UPMC univ Paris 6 and CNRS-UMR 7588, 4 place Jussieu, F-75252 Paris, France
7. Peter Grünberg Institut (PGI-1) and Institute for Advanced Simulation (IAS-1), Forschungszentrum Jülich and JARA, D-52425 Jülich, Germany
8. ANTARES Beamline, Synchrotron SOLEIL & Universite Paris-Saclay, L’ Orme des Merisiers, Saint Aubin-BP 48, 91192 Gif sur Yvette Cedex, France
9. Helmholtz-Zentrum Berlin für Materialien und Energie, 14109 Berlin, Germany
10. Institut für Funktionelle Grenzflächen (IFG), Karlsruher Institut für Technologie (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
11. Diamond Light Source, Harwell Campus, Didcot, OX11 0DE, United Kingdom
12. DESY Photon Science, Deutsches Elektronen-Synchrotron, Notkestrasse 85, 22607 Hamburg, Germany
13. Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
14. Kavli Energy Nanosciences Institute at the University of California Berkeley and Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States