1. Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1-5, Zürich CH-8093, Switzerland
2. Empa-Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Überlandstrasse 129, Dübendorf CH-8600, Switzerland
3. Department of Information Technology and Electrical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
4. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
5. Department of Physics, ETH Zürich, Otto Stern Weg 1, Zürich CH-8093, Switzerland
6. Paul Scherrer Institute, Villigen PSI CH-5232, Switzerland
7. Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States