Publication Details Authors Takashi Iida, Masao Yoshino, Kyoung Jin Kim, and Kei Kamada Journal Scientific Reports DOI 10.1038/s41598-025-17570-5 Online publication date September 01 , 2025 Press release online (in Japanese) PDF: 1.1MB From :Emission Characteristics of Eu²⁺ and Eu³⁺ under X-Ray and Alpha Irradiation in Eu-Doped CaF₂ Crystals. Advanced Chrystal Engineering Research Laboratory