1. Department of Materials Science and Engineering
2. Southern University of Science and Technology
3. Shenzhen 518055
4. P. R. China
5. State Key Laboratory of Low-Dimensional Quantum Physics
6. Department of Physics
7. Tsinghua-Foxconn Nanotechnology Research Center
8. State Key Laboratory of New Ceramics and Fine Processing
9. School of Materials Science and Engineering
10. Centre for Infrastructure Engineering
11. Western Sydney University
12. Penrith
13. Australia
14. Department of Mechanical Engineering