[2] Xu Yingyuan, Qin Ying, Ding Fei. Ceramics International, 2017, 43(12): 8636.

[4] Mitsuru Wakamatsu, Nobuyuki Takeuchi, Shingo Ishida. Journal of Non-Crystalline Solids, 1987, 95-96(2): 733.

[5] Richard M A, Soled S L, Fiato R A, et al. Materials Research Bulletin, 1983, 18(7): 829.

[6] Dejoie C, Sciau P, Li W D, et al. Scientific Reports, 2014, 4: 4941.

[8] Yang M L, Winkler A M, Klein J, et al. Studies in Conservation, 2012, 57(2): 67.

[10] Huang D, Swanson E A, Lin C P, et al. Science, 1991, 254(5035): 1178.

[12] Zhao H X, Li Q H, Liu S, et al. Journal of Raman Spectroscopy, 2013, 44(4): 643.

[15] Libor Machala, Jiri Tucek, Radek Zboril. Chemistry of Materials, 2011, 23: 3255.