Dung, Nguyen, Hoang Van Thanh, & Nguyen Dinh Lam.
" Influences of Growth Durations on Characteristics of NaYF4:(Yb,Tm) Upconversion Materials." <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], 35.4 (2019): n. pag. Web. 15 Nov. 2024