[1] Faculty of Fundamental Sciences, Thai Nguyen University of Technology, Thai Nguyen, Viet Nam
[2] Institute of Research and Development, Duy Tan University, Da Nang,550000, Viet Nam
[3] Faculty of Natural Sciences, Duy Tan University, Da Nang,550000, Viet Nam
[4] Faculty of Chemistry, TNU- University of Sciences, Thai Nguyen, Viet Nam
[5] Faculty of Physics and Technology, TNU- University of Sciences, Thai Nguyen, Viet Nam
[6] Institute of Materials Science, Vietnam Academy of Science and Technology, Ha Noi, Viet Nam
[7] Thuyloi University-Southern Campus, 02 Truong Sa, Binh Thanh, Ho Chi Minh City, Viet Nam
[8] Department of Physics, Panjab University, Chandigarh,160014, India
[9] Department of Physics, National University of Singapore, 119077, Singapore