![Tunable upconversion luminescence of SrF
<sub/>2</sub>
: Er,Tm phosphors]()
Tunable upconversion luminescence of SrF
<sub/>2</sub>
: Er,Tm phosphorsLyapin, A A; Gushchin, S V; Kuznetsov, S V; Ermakov, A S; Ryabochkina, P A; Proydakova, V Yu; Voronov, V V; Yapryntsev, A D; Ivanov, V K; Fedorov, P P · Journal of Physics: Conference Series · 2019