1. Hanoi National University of Education, 136 Xuan Thuy, Cau Giay District, Hanoi, Vietnam
2. Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
3. Faculty of Physics, Hanoi National University of Education, 136 Xuan Thuy, Cau Giay District, Hanoi, Vietnam
4. Tran Quoc Tuan University, Co Dong, Son Tay Town, Hanoi, Vietnam