1. Faculty of Physics, Hanoi National University of Education, 136 Xuan Thuy Road, Cau Giay District, Hanoi 100000, Vietnam
2. Phenikaa University Nano Institute (PHENA), PHENIKAA University Hanoi 12116, Vietnam
3. Faculty of Engineering Physics and Nanotechnology, VNU-University of Engineering and Technology, 144 Xuan Thuy Road, Cau Giay District Hanoi 100000, Vietnam
4. Faculty of Electrical and Electronic Engineering, Phenikaa University Hanoi 12116, Vietnam
5. Phenikaa Research and Technology Institute (PRATI), A&A Green Phoenix Group 167 Hoang Ngan, Hanoi 13313, Vietnam
6. Institute of Physics, Vietnam Academy of Science and Technology, 10 Dao Tan, Cong Vi, Ba Dinh, Hanoi, Vietnam