1. Ernst Ruska‐Centre for Microscopy and Spectroscopy with Electrons Forschungszentrum Jülich GmbH 52425 Jülich Germany
2. Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and The Barcelona Institute of Science and Technology Campus UAB Bellaterra Barcelona 08193 Spain
3. Center of Quantum Materials and Devices and Department of Applied Physics Chongqing University Chongqing 401331 China
4. Materials Science and Engineering North Carolina State University 911 Partners Way Raleigh NC 27695 USA
5. Central Facility for Electron Microscopy RWTH Aachen University Ahornstr. 55 52074 Aachen Germany