title: NaSr3Be3B3O9F4: a promising deep-ultraviolet nonlinear optical material resulting from the cooperative alignment of the [Be3B3O12F](10-) anionic group.
authors.affiliation: Center for Crystal Research and Development, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
authors.forename: Hongwei
authors.initials: H
authors.lastname: Huang
authors.forename: Jiyong
authors.initials: J
authors.lastname: Yao
authors.forename: Zheshuai
authors.initials: Z
authors.lastname: Lin
authors.forename: Xiaoyang
authors.initials: X
authors.lastname: Wang
authors.forename: Ran
authors.initials: R
authors.lastname: He
authors.forename: Wenjiao
authors.initials: W
authors.lastname: Yao
authors.forename: Naixia
authors.initials: N
authors.lastname: Zhai
authors.forename: Chuangtian
authors.initials: C
authors.lastname: Chen