[1] [1] Zhao C L, Liu L, Qi X G, et al. Advanced Energy Materials, 2018, 8: 1703012.

[2] [2] Butee S P, Kambale K R, Firodiya M. Processing and Application of Ceramics, 2016, 10: 67.

[3] [3] Ikawa H, Tsurumi T, Ishimori M, et al. Journal of Solid State Chemistry, 1985, 60: 51.

[4] [4] Lu X C, Xia G G, Lemmon J P, et al. Journal of Power Sources, 2010, 195: 2431.

[5] [5] Kuo C K, Nicholson P S. Solid State Ionics, 1999, 118: 251.

[6] [6] Bao Y H, Kuo C K, Nicholson P S. Solid State Ionics, 2000, 130: 293.

[7] [7] Burns G, Chandrashekhar G V, Dacol F H, et al. Physical Review B, 1980, 22: 1073.

[8] [8] Hu Q W, Lei L, Jiang X D, et al. Solid State Sciences, 2014, 37: 103.

[9] [9] Zhang L L, Cheng Y, Lei L, et al. Crystal Growth & Design, 2018, 18: 1843.

[10] [10] Lei L, Zhang L L. Matter and Radiation at Extremes, 2018, 3: 95.

[11] [11] Mao H K, Bell P M, Shaner J W, et al. Journal of Applied Physics, 1978, 49: 3276.

[12] [12] Dohy D, Lucazeau G, Revcolevschi A. Journal of Solid State Chemistry, 1982, 45: 180.

[13] [13] Dohy D, Lucazeau G, Bougeard D. Solid State Ionics, 1983, 11: 1.

[14] [14] Arashi H, Naito H, Kaimai A. Journal of Materials Science, 1993, 28: 5725.