1. University of Science, Vietnam National University, Ho Chi Minh City 700000, Vietnam
2. Ho Chi Minh City Institute of Physics, National Institute of Applied Mechanics and Informatics, Vietnam Academy of Science and Technology, Ho Chi Minh City 700000, Vietnam
3. Department of Physics, International University, Ho Chi Minh City 700000, Vietnam
4. Vietnam National University, Ho Chi Minh City 700000, Vietnam