Tunable Optical Anisotropy in Rare-Earth Borates with Flexible [BO3] Clusters

被引：5

作者：

Long, Xiangyu ^{[1
]}

An, Ran ^{[2
,3
]}

Lv, Yan ^{[1
]}

Wu, Xueyan ^{[1
]}

Mutailipu, Miriding ^{[2
,3
]}

机构：

[1] Xinjiang Univ, Coll Chem, State Key Lab Chem & Utilizat Carbon Based Energy, Urumqi 830017, Peoples R China

[2] Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Res Ctr Crystal Mat, Urumqi 830011, Peoples R China

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

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2024年 / 30卷 / 37期

基金：

中国国家自然科学基金;

关键词：

borate; rare-earth borates; BO3] clusters; optical anisotropy; birefringent crystals; CRYSTAL; GROWTH;

D O I：

10.1002/chem.202401488

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Borates have garnered a lot of attention in the realm of solid-state chemistry due to their remarkable characteristics, in which the synthesis of borates with isolated [BO3] by adding rare-earth elements is one of the main areas of structural design study. Five new mixed-metal Y-based rare-earth borates, Ba2ZnY2(BO3)(4), KNa2Y(BO3)(2), Li2CsY4(BO3)(5), LiRb2Y(BO3)(2), and RbCaY(BO3)(2), have been discovered using the high-temperature solution approach. Isolated [BO3] clusters arranged in various configurations comprise their entire anionic framework, allowing for optical anisotropy tuning between 0.024 and 0.081 under 1064 nm. In this study, we characterize the relative placements of their [BO3] groups and examine how their structure affects their characteristics. The origin of their considerable optical anisotropy has been proven theoretically. This study unequivocally demonstrates that even a slight alteration to borates ' anionic structure can result in a significant improvement in performance.

引用

页数：6