Department of Physics, Faculty of Science, National University of Singapore (NUS).

Institute of Physics, Vietnam Academy of Science and Technology.

Assistant Professor, Department of Physics, Faculty of Science, HKU.

University of Technology - VNUHCM.

Ho Chi Minh City University of Education.

Faculty of Materials Science and Engineering, Phenikaa University.

University of Science – VNUHCM.

University of Science – VNUHCM.

Ho Chi Minh University of Technology and Engineering.

University of Information Technology - VNUHCM.