1. School of Materials Science and Engineering; Beihang University; Beijing 100191 P. R. China
2. Center for Integrated Computational Materials Engineering (International Research Institute for Multidisciplinary Science) and Key Laboratory of High-Temperature Structural Materials & Coatings Technology (Ministry of Industry and Information Technology); Beihang University; Beijing 100191 P. R. China
3. IT4Innovations; VSB-Technical University of Ostrava; CZ-708 33 Ostrava Czech Republic
4. Theoretical Division; Los Alamos National Laboratory; Los Alamos NM 87545 USA
5. Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials; Ningbo Institute of Materials Technology and Engineering; Chinese Academy of Sciences; Ningbo Zhejiang 315201 P. R. China
6. Departments of Chemistry and Earth and Atmospheric Science; Purdue University; West Lafayette IN 47906 USA