Mukharovska, V.S., M.P. Derhachov, V.M. Moiseienko, and B. Abu Sal. 2024. “Peculiarities of Eu3+ Photoluminescence in Opal Photonic Crystal Films and Heterostructures Based of Them”. Ukrainian Journal of Physics 68 (12):785. https://doi.org/10.15407/ujpe68.12.785.