1. Laboratory for Thin Films and Photovoltaics, Empa-Swiss Federal Laboratories for Materials Science and Technology, Duebendorf, Switzerland
2. Electron Microscopy Center, Empa-Swiss Federal Laboratories for Materials Science and Technology, Duebendorf, Switzerland
3. Laboratory for Mechanics of Materials and Nanostructures, Empa- Swiss Federal Laboratories for Materials Science and Technology, Thun, Switzerland
4. Department of Engineering and Architecture, University of Parma, Parma, Italy