1. Electrical and Electronic Faculty, Hung Yen University of Technology and Education, Hung Yen Province 160000, Vietnam
2. International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology, Hanoi 100000, Vietnam
3. MESA+Institute for Nanotechnology, University of Twente, 7500, AE, Enschede, The Netherlands
4. School of Engineering Physics, Hanoi University of Science and Technology, Hanoi 100000, Vietnam