1. State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi'an 710072 P. R. China
2. School of Chemistry and Physics and Centre for Materials Science Queensland University of Technology Brisbane Queensland 4001 Australia
3. MOE Key Laboratory of Material Physics and Chemistry Under Extraordinary Conditions School of Physical Science and Technology Northwestern Polytechnical University Xi'an 710072 P. R. China
4. Australian Institute for Bioengineering and Nanotechnology The University of Queensland Brisbane Queensland 4072 Australia
5. Key Laboratory of Radiation Detection Materials and Devices Ministry of Industry and Information Technology Xi'an 710072 P. R. China
6. Research & Development Institute of Northwestern Polytechnical University in Shenzhen Shenzhen 518057 P. R. China