1. Institute
for Integrative Nanosciences, IFW Dresden, Helmholtzstraße 20, 01069 Dresden, Germany
2. Institute of Materials Science and Max Bergmann Center
for Biomaterials, Center for Advancing Electronics Dresden (CfAED), Dresden University of Technology, 01062 Dresden, Germany
3. Material Systems for Nanoelectronics, Chemnitz University of Technology, Reichenhainer Straße 70, 09107 Chemnitz, Germany