Affiliation: | 1.Faculty of Physics, VNU University of Science, 334 Nguyen Trai, Hanoi, Vietnam ;2.National University of Laos, P.O. Box 7322, Dongdok, Vientiane, Laos ;3.Centre for Technology Environmental Treatment, Military Chemical and Environmental Institute, 282 Lac Long Quan, Hanoi, Vietnam ;4.Institute for Nuclear Science and Technology, Vinatom, 179 Hoang Quoc Viet, Hanoi, Vietnam ;5.Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam ; |