Preparation and Performance of KNN-based Upconversion Transparent Ceramics
GENG Zhi-Ming, LI Kun, SHI Dong-liang, SHI Xia-Yu, HUANG Hai-Tao, CHAN Helen Lai Wa
Journal of Inorganic Materials . 2014, (12): 1265 -1269 .  DOI: 10.15541/jim20140131