Simultaneous measurement of the emission quantum yield and local temperature: The illustrative example of SrF2:Yb3+/Er3+ single crystals / European Journal of Inorganic Chemistry. 2020. v.2020, is.17. 1555–1561

Carlos D.S. Brites, Sergey V. Kuznetsov, Vasilii A. Konyushkin, Andrey N. Nakladov, Pavel P. Fedorov, and Luís D. Carlos. Simultaneous measurement of the emission quantum yield and local temperature: The illustrative example of SrF2:Yb3+/Er3+ single crystals / European Journal of Inorganic Chemistry. 2020. v.2020, is.17. 1555–1561 

https://doi.org/10.1002/ejic.202000381