For citations:
Kuznetsov S.V., Nizamutdinov A.S., Madirov E.I., Voronov V.V., Tsoy K.S., Khadiev А.R., Yapryntsev A.D., Ivanov V.K., Kharintsev S.S., Semashko V.V. Near infrared down-conversion luminescence of Ba4Y3F17:Yb3+:Eu3+ nanoparticles under ultraviolet excitation. Nanosystems: Physics, Chemistry, Mathematics. 2020;11(3):316–323. https://doi.org/10.17586/2220-8054-2020-11-3-316-323