Ha, Hoang, Tran Thi Quynh Hoa, Le Van Vu, & Nguyen Ngoc Long.
" Synthesis and Optical Properties of Ho3+, Pr3+ Co-doped  LaF3 Nanocrystals." <em>VNU Journal of Science: Mathematics - Physics</em> [Online], 32.4 (2016): n. pag. Web. 22 Nov. 2024