1. Helmholtz‐Zentrum Dresden‐Rossendorf Bautzner Landstraße 400 Dresden 01328 Germany
2. Department of Chemistry and Interdisciplinary Nanoscience Center Centre for DNA Nanotechnology iNANO Gustav Wieds Vej 14 Aarhus C 8000 Denmark
3. Center for Advancing Electronics Dresden Technische Universität Dresden Dresden 01062 Germany
4. Department of Physics University of Konstanz Konstanz 78457 Germany
5. Institute of Physics Technische Universität Chemnitz Chemnitz 09107 Germany