1. Materials Genome Institute, Shanghai University, Shanghai 200444, P. R. China
2. School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, P. R. China
3. School of Computer Engineering and Science, Shanghai University, Shanghai 200444, P. R. China
4. Australian Centre for Neuron Scattering (ACNS), Australian Nuclear Science and Technology Organization (ANSTO), Locked Bag 2001, Kirrawee DC, New South Wales 2232, Australia