1. Institute of Condensed Matter Physics, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne (Switzerland)
2. Swiss Light Source, Paul Scherrer Institut, 5232 Villigen PSI (Switzerland)
3. Physik‐Institut, Universität Zürich, 8057 Zürich (Switzerland)
4. Department of Physics and Astronomy, Uppsala University, 751 20 Uppsala (Sweden)
5. Department of Electrochemistry and Conducting Polymers, Leibniz Institute of Solid State and Materials Research, 01069 Dresden (Germany)
6. Departement für Chemie und Biochemie, Universität Bern, 3012 Bern (Switzerland)