1. Sialon Group
2. National Institute for Materials Science
3. Tsukuba 305-0044
4. Japan
5. Department of Materials Science and Engineering
6. College of Optical and Electronic Technology
7. China Jiliang University
8. Hangzhou 310018
9. China
10. Appotronics Corporation
11. Shenzhen 518055
12. University of Science and Technology of China
13. Hefei 230026
14. College of Materials