1. State
Key Laboratory of Rare Earth Resource Utilization, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2. State
Key Lab of Superhard Materials, Jilin University, Changchun 130012, Peoples Republic of China
3. Department
of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada
4. Canadian Light Source, Saskatoon, Saskatchewan S7N 0X4, Canada
5. College
of Resource and Environmental Science, Jilin Agricultural University, Changchun 130118, PR China
6. Advanced
Center of Research in High Energy Materials (ACRHEM), University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad 500 046, Andhra Pradesh, India