ZHANG Nan, LIU Chun-guang, ZHANG Meng, YANG Jian, LI Sheng-nan, ZHU Han-cheng, YAN Duan-ting, XU Chang-shan, LIU Yu-xue. Preparation and Optical Properties of Near Infrared Persistentluminescent CaGdAlO4∶Cr3+[J]. Spectroscopy and Spectral Analysis, 2020, 40(2): 373