Intrinsic and impurity luminescence of CaF₂, CaF₂:Eu²⁺ and CaF₂:Eu³⁺ nanoparticles at high energy excitation

von Zhyshkovych, A.V., Vistovskyy, V.V., Mitina, N.E., Zaichenko, A.S., Gektin, A.V., Voloshinovskii, A.S.
Veröffentlicht 2014