1. CAS Key Laboratory of Materials for Energy Conversion and State Key Laboratory of High Performance Ceramics and Superfine Microstructures
2. Shanghai Institute of Ceramics
3. Chinese Academy of Sciences
4. Shanghai 200050, People's Republic of China
5. State Key Laboratory of Rare Earth Materials Chemistry and Applications
6. High Pressure Science and Engineering Center (HiPSEC)
7. University of Nevada
8. Las Vegas, USA