1. Institute of Sensor and Actuator Systems, TU Wien, Gusshausstrasse 27−29, 1040 Vienna, Austria
2. Institute of Electrodynamics, Microwave and Circuit Engineering, TU Wien, Gusshausstrasse 25, 1040 Vienna, Austria
3. Christian Doppler Laboratory for Direct-Write Fabrication of 3D Nanoprobes (DEFINE), Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, 8010 Graz, Austria
4. Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, 8010 Graz, Austria
5. Graz Centre for Electron Microscopy, Steyrergasse 17, 8010 Graz, Austria