1. Department of Physics
2. South University of Science and Technology of China
3. Shenzhen 518055
4. China
5. Shenzhen Key Laboratory of Thermoelectric Materials
6. School of Materials Science and Engineering
7. Beihang University
8. Beijing 100191
9. Department of Chemistry
10. Condensed Matter Physics and Materials Science Department
11. Brookhaven National Laboratory
12. Upton 11973
13. USA
14. Key Laboratory of New Ceramics and Fine Processing
15. Tsinghua University
16. Beijing
17. Northwestern University
18. Evanston