NH4Be2BO3F2 and -Be2BO3F: Overcoming the Layering Habit in KBe2BO3F2 for the Next-Generation Deep-Ultraviolet Nonlinear Optical Materials

被引：213

作者：

Peng, Guang ^{[1
,2
]}

Ye, Ning ^{[1
]}

Lin, Zheshuai ^{[3
]}

Kang, Lei ^{[3
]}

Pan, Shilie ^{[4
]}

Zhang, Min ^{[4
]}

Lin, Chensheng ^{[1
]}

Long, Xifa ^{[1
]}

Luo, Min ^{[1
]}

Chen, Yu ^{[1
]}

Tang, Yu-Huan ^{[1
,2
]}

Xu, Feng ^{[1
,2
]}

Yan, Tao ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Collaborat Innovat Ctr Optoelect Semicond & Effic, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Funct Crystals & Laser Technol, Beijing Ctr Crystal R&D, Beijing 100190, Peoples R China

[4] Chinese Acad Sci, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, 40-1 South Beijing Rd, Urumqi 830011, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2018年 / 57卷 / 29期

基金：

中国国家自然科学基金;

关键词：

beryllium; borates; deep ultraviolet light; nonlinear optics; second harmonic generation; ALKALINE BERYLLIUM BORATE; ANIONIC GROUP; CRYSTALS; UV; DESIGN;

D O I：

10.1002/anie.201803721

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

KBe2BO3F2 (KBBF) is still the only practically usable crystal that can generate deep-ultraviolet (DUV) coherent light by direct second harmonic generation (SHG). However, applications are hindered by layering, leading to difficulty in the growth of thick crystals and compromised mechanical integrity. Despite efforts, it is still a great challenge to discover new nonlinear optical (NLO) materials that overcome the layering while keeping the DUV SHG available. Now, two new DUV NLO beryllium borates have been successfully designed and synthesized, NH4Be2BO3F2 (ABBF) and -Be2BO3F (-BBF), which not only overcome the layering but also can be used as next-generation DUV NLO materials with the shortest typeI phase-matching second-harmonic wavelength down to 173.9nm and 146nm, respectively. Significantly, -BBF is superior to KBBF in all metrics and would be the most outstanding DUV NLO crystal.

引用

页码：8968 / 8972

页数：5

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