1. Institute of Solid State Electronics, TU Wien, Gußhausstraße 25-25a, 1040 Vienna, Austria
2. Division of Synchrotron Radiation Research, Lund University, Sölvegatan 14, 221 00 Lund, Sweden
3. ITMO University, Kronverkskiy pr. 49, 197101 St. Petersburg, Russia
4. Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland
5. University Service Center for TEM, TU Wien, Wiedner Hauptstraße 8-10, 1040 Vienna Austria
6. Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00 Brno, Czech Republic