1. Institute of Micro- and Nanostructure Research & Center for Nanoanalysis and Electron Microscopy (CENEM) Friedrich-Alexander-Universität Erlangen-Nürnberg, IZNF 91058 Erlangen Germany
2. Institute of Materials for Electronics and Energy Technology Friedrich-Alexander-Universität Erlangen-Nürnberg 91058 Erlangen Germany
3. Institute for Crystallography and Structural Physics Friedrich-Alexander-Universität Erlangen-Nürnberg 91058 Erlangen Germany
4. TEMUL Department of Physics School of Natural Sciences & Bernal Institute University of Limerick Limerick V94 T9PX Ireland