1. Fraunhofer Institute for Electronic Nano Systems (ENAS), 09126 Chemnitz, Saxony, Germany
2. Center for Microtechnologies (ZfM), Chemnitz University of Technology, 09107 Chemnitz, Saxony, Germany
3. Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, 09107 Chemnitz, Saxony, Germany