1. Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany
2. Institute of Materials Science, Technische Universität Dresden, 01069 Dresden, Germany
3. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, People’s Republic of China
4. School of Science and Engineering, Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
5. Institute of Applied Physics, Technische Universität Dresden, 01062 Dresden, Germany
6. Institute for Metallic Materials, IFW Dresden, Dresden 01069, Germany