1. Walter Schottky Institut and Department of Physics Technical University of Munich Am Coulombwall 4 85748 Garching Germany
2. Lawrence Berkeley National Laboratory 1 Cyclotron Rd. Berkeley CA 94720 USA
3. Catalysis Research Center and Chemistry Department Technical University of Munich Lichtenbergstraße 4 85748 Garching Germany
4. Physik‐Department Technische Universität München James‐Franck‐Straße 1 85748 Garching Germany
5. Deutsches Elektronen‐Synchrotron (DESY) Notkestr. 85 22607 Hamburg Germany
6. Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Rd. Berkeley CA 94720 USA
7. KTH Royal Institute of Technology Teknikringen 56–58 Stockholm 10044 Sweden
8. Technische Universität München Lichtenbergstr. 1 85748 Garching Germany