1. School of Physical Science and TechnologySouthwest Jiaotong UniversityKey Laboratory of Advanced Technologies of MaterialsMinistry of Education of China Chengdu 610031 P. R. China
2. Bond and Band Engineering GroupSichuan Provincial Key Laboratory (for Universities) of High Pressure Science and TechnologySouthwest Jiaotong University Chengdu 610031 P. R. China
3. Teaching and Research Group of ChemistryCollege of Medical TechnologyChengdu University of Traditional Chinese Medicine Chengdu 610075 P. R. China
4. State Key Laboratory of Solidification ProcessingNorthwestern Polytechnical University Xi'an 710072 P. R. China