Phase Transition Induction and Upconversion Luminescence Enhancement of NaY 0.95 - x Yb 0.03Er 0.02F 4 by In 3 + Codoping
Yu Han, Huang Qingming, Cao Wenbing, Zhang Xinqi, Yu Jianchang
Acta Chimica Sinica . 2013, (12): 1639 -1646 .  DOI: 10.6023/A13070794