LiNaB6O9F2: A Promising UV NLO Crystal Having Fluorine-Directed Optimal Performances and Double Interpenetrating 3[B6O9F2]∞ Networks

被引：26

作者：

Li, Xiaojing ^{[1
,2
]}

Chen, Zilong ^{[1
,2
]}

Li, Fuming ^{[1
,2
]}

Zhang, Fangfang ^{[1
,2
]}

Yang, Zhihua ^{[1
,2
]}

Pan, Shilie ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Res Ctr Crystal Mat, CAS Key Lab Funct Mat & Devices Special Environm, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

来源：

ADVANCED OPTICAL MATERIALS | 2023年 / 11卷 / 03期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

fluorine-directed strategy; fluorooxoborate; fourth-harmonic generation; nonlinear optical materials; ultraviolet lasing; NONLINEAR-OPTICAL MATERIAL; BOND-VALENCE PARAMETERS; RB; SUBSTITUTION; FLUOROBORATE;

D O I：

10.1002/adom.202202195

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A long-lasting challenge in ultraviolet (UV) nonlinear optical (NLO) materials design is to combine conflicting and harsh properties into one structure, including wide UV transparency, strong NLO efficiency, and moderate birefringence to realize phase-matching at short wavelength. A fluorine-directed material design strategy is adopted to accelerate the process of finding NLO materials with optimal performances. In this work, taking LiB3O5 (LBO) as a maternal structure, one O atom with two F atoms is substituted and LiNaB6O9F2 which possesses novel double interpenetrating (3)[B6O9F2](infinity) networks and fluorine-directed optimal performances including enhanced birefringence and phase-matching capacity is successfully obtained. The perfect balance among deep-UV cutoff edge, large second-harmonic generation (SHG) response (1.1 x KDP), and moderate birefringence (0.067 at 1064 nm) of LiNaB6O9F2 makes it a promising UV NLO crystal.

引用

页数：7

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