1. Fraunhofer Institute for Surface Engineering and Thin Films Bienroder Weg 54E 38108 Braunschweig Germany
2. Fraunhofer Institute for Mechanics of Materials IWM Wöhlerstraße 11 79108 Freiburg Germany
3. Department d'Electrònica Universitat de Barcelona c/Martí Franquès 1 Barcelona 08028 Spain
4. Institute for Semiconductor Technology TU Braunschweig Hans‐Sommer‐Strasse 66 38106 Braunschweig Germany
5. School of Chemistry and Chemical Engineering Jiangsu University Xuefu Road 301 Zhenjiang 212013 China
6. Shanghai Institute of Technical Physics Chinese Academy of Sciences Yu Tian Road 500 Shanghai 200083 China
7. Institute of Optoelectronics Fudan University Song Hu Road 2005 Shanghai 200438 China
8. Department of Electronic and Computer Engineering The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong SAR 999077 China