1 Laboratoire Génie de Production, National School of Engineering in Tarbes (ENIT), National Polytechnic Institute of Toulouse (INPT), University of Toulouse, 65000 Tarbes, France.
2 Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China.
3 School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.