1. School of Materials Science
and Engineering, Central South University, Changsha 410083, P. R. China
2. School of Materials Science
and Engineering, Guilin University of Electronic Technology, Guilin 541004, P. R. China
3. International Center for Materials
Physics, Chinese Academy of Sciences, Shenyang
110016, P. R. China
4. Department
of Geosciences and
Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-2100, United States
5. Department of Geology, Moscow State University, 119992 Moscow, Russia