1. Institute for Integrative Nanosciences Leibniz IFW Dresden 01069 Dresden Germany
2. Key Laboratory of Photochemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
3. Material Systems for Nanoelectronics TU Chemnitz 09107 Chemnitz Germany
4. Research Center for Materials, Architectures and Integration of Nanomembranes TU Chemnitz 09126 Chemnitz Germany
5. Nanophysics, Faculty of Physics TU Dresden 01062 Dresden Germany
6. School of Materials Science and Engineering Jiangsu University Zhenjiang 212013 China
7. School of Electronic and Information Engineering Harbin Institute of Technology, Shenzhen Shenzhen 518055 China