[1] [1] Yang Fu, Liu Yufeng, Tian Xiaodong, et al. Journal of Solid State Chemistry, 2015, 225: 19.

[2] [2] Xie Mubiao, Zeng Lihua, Zhou Xiaoping, et al. Solid State Sciences, 2015, 39: 6.

[3] [3] Sun Jiayue, Di Qiumei, Cui Dianpeng. Materials Research Bulletin, 2014, 60: 201.

[4] [4] Zhu Daoyun, Mu Zhongfei. Displays, 2014, 35(5): 261.

[5] [5] Ratnam B V, Jayasimhadri M, Jang Kiwan. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2014, 132(11): 563.

[6] [6] Tong Yiping, Yan Jiayan. Spectroscopy and Spectral Analysis, 2014, 34(12): 3210.

[7] [7] Zhang Xinguo, Chen Yibo, Zeng Suiwen, et al. Ceramics International Part A, 2014, 40(9): 14537.

[8] [8] Yan Fan, Yihua Hu, Li Chen, et al. Physica B: Condensed Matter, 2014, 450: 99.

[9] [9] Naresh V, Rudramadevi B H, Buddhudu S. Journal of Alloys and Compounds, 2015, 632.

[10] [10] Zhang Feng, Zhang Weifeng, Zhang Zhiya, et al. Journal of Luminescence, 2014, 152: 160.

[11] [11] Hachani S, Moine B, El-akrmi A, et al. Journal of Luminescence, 2010, 130(10): 1774.

[12] [12] Min Xin, Fang Minghao, Huang Zhaohui, et al. Optical Materials, 2014, 37: 110.

[13] [13] Fu Zhenxing, Ma Lun, Sahi Sunil, et al. Journal of Luminescence, 2013, 143: 657.

[14] [14] Wang G Q, Gong X H, Lin Y F, et al. Optical Materials, 2014, 37: 229.

[15] [15] Wang Zhijun, Li Panlai, Yang Zhiping, et al. Journal of Luminescence, 2014, 151: 170.

[16] [16] Pi Daibo, Wang Feng, Fan Xianping, et al. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2005, 61(11-12): 2455.

[17] [17] Meng Jianxin, Zhang Maofeng, Liu Yingliang, et al. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2007, 66(1): 81.