1. State Key Laboratory of Silicon Materials
2. Department of Materials Science and Engineering
3. Zhejiang University
4. Hangzhou 310027
5. China
6. UMR-CNRS 6512 “Verres & Ceramiques”
7. Institut de Chimie de Rennes
8. Universite de Rennes 1
9. 35042 Rennes Cedex
10. France