首页|Combining rigid and deformable groups to construct a robust birefringent crystal for compact polarization components

Combining rigid and deformable groups to construct a robust birefringent crystal for compact polarization components

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There is a pressing demand for the development of novel birefringent crystals tailored for compact optical components,especially for crystals exhibiting large birefringence across a range of temperatures.This has commonly been achieved by introducing various deformable groups with high polarizability anisotropy.In this study,we combined both rigid and deformable groups to synthesise a new birefringent crystal,Al2Te2MoO10,which demonstrates an exceptional birefringence value of 0.29@550 nm at room temper-ature.Not only is this higher birefringence than that of commercial crystals,but Al2Te2MoO10 exhibits excellent birefringence stability over a wide temperature range,from 123 to 503 K.In addition,the first-principles theory calculations and structural analyses suggest that although the rigid AlO6 groups do not make much contribution to the prominent birefringence,they nonetheless played a role in main-taining the structural anisotropy at elevated temperatures.Based on these findings,this paper proposes a novel structural design strategy to complement conventional approaches for developing optimal birefrin-gent crystals under various environmental conditions.

Combining rigid and deformable groupsOptical anisotropyStructure-property relationshipBirefringent crystal

Zhipeng Du、Xianyu Song、Wei Liu、Ziyi Wang、Hongyuan Sha、Qianting Xu、Yang Zhou、Yanqiang Li、Junhua Luo、Sangen Zhao

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State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,China

College of Chemistry,Fuzhou University,Fuzhou 350108,China

Fujian College,University of Chinese Academy of Sciences,Fuzhou 350002,China

Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China,Fuzhou 350108,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNatural Science Foundation of Fujian ProvinceYouth Innovation Promotion Association of the Chinese Academy of SciencesKey Research Program of Frontier Sciences of the Chinese Academy of SciencesChina Postdoctoral Science Foundation

22122507619752072219304221833010219210012022J02012Y202069ZDBS-LYSLH0242023M743498

2024

10.1016/j.scib.2024.04.006

科学通报(英文版)
中国科学院

科学通报(英文版)

CSTPCD
ISSN：1001-6538
年,卷(期)：2024.69(14)
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