1. Université de Paris, ITODYS, CNRS-UMR 7086, 15 rue J.-A. de Baïf, 75013 Paris, France
2. Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam