title: Breakdown of crystallographic site symmetry in lanthanide-doped NaYF4 crystals.
authors.affiliation: Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
authors.forename: Datao
authors.initials: D
authors.lastname: Tu
authors.forename: Yongsheng
authors.initials: Y
authors.lastname: Liu
authors.forename: Haomiao
authors.initials: H
authors.lastname: Zhu
authors.forename: Renfu
authors.initials: R
authors.lastname: Li
authors.forename: Liqin
authors.initials: L
authors.lastname: Liu
authors.forename: Xueyuan
authors.initials: X
authors.lastname: Chen