White light luminophores based on Yb3+/Er3+/Tm3+-coactivated strontium fluoride powders. // Materials Chemistry and Physics. 2014. V.148. is.1-2. P.201-207. 

Yu. A. Rozhnova, A.A. Luginina, V.V. Voronov, R.P. Ermakov, S.V. Kuznetsov, A.V. Ryabova, D.V. Pominova, V.V. Arbenina, V.V. Osiko, P.P. Fedorov. White light luminophores based on Yb3+/Er3+/Tm3+-coactivated strontium fluoride powders. // Materials Chemistry and Physics. 2014. V.148. is.1-2. P.201-207. 

DOI:10.1016/j.matchemphys.2014.07.032