1. Laboratory for Multifunctional Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zurich 8093, Switzerland
2. Center for X-ray Analytics, Empa-Swiss Federal Laboratories for Materials Science & Technology, Dübendorf 8600, Switzerland
3. Electron Microscopy Center, Empa-Swiss Federal Laboratories for Materials Science & Technology, Dübendorf 8600, Switzerland