1. Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
2. Space Environment Simulation Research Infrastructure, Harbin Institute of Technology, 150001, Harbin, China
3. Department of Materials Science and Engineering, National Dong Hwa University, Hualien 97401, Taiwan
4. Department of Photonics, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 30013, Taiwan
5. Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
6. Department of Physics, National Taiwan University, Taipei 10617, Taiwan