1. State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, People's Republic of China
2. School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, People's Republic of China
3. Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
4. College of Semiconductor Research, National Tsing-Hua University, Hsinchu, 30013, Taiwan
5. Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan
6. Department of Physics, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan