1. Zernike Institute for Advanced Materials, University of Groningen, 9747 AG Groningen, The Netherlands
2. CEMES-CNRS, F-31055 Toulouse Cedex 4, France
3. Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons (ER-C), Forschungszentrum Jülich, 52425 Jülich, Germany
4. ICAMS, Ruhr-Universität Bochum, 44801 Bochum, Germany
5. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801, USA
6. Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 18221 Praha 8, Czech Republic
7. Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, Barcelona Institute of Science and Technology Campus, Universitat Autonoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
8. ICREA, 08193 Barcelona, Spain
9. Center for Nanoscience and Nanotechnology, UMR CNRS-Université Paris-Sud, Université Paris-Saclay, Avenue de la Vauve, 91120 Palaiseau, France
10. Groningen Cognitive Systems and Materials Centre (CogniGron), University of Groningen, 9747 AG Groningen, The Netherlands