Issue 11, 2024

Exploration of antimony(iii) oxyhalides via single-site substitution in quest of large birefringence

Abstract

Birefringent crystals play a crucial role in the laser polarization of modern laser technologies. As a marvelous branch of optical materials, oxyhalides are attracting extensive interest for their suitable structures and diverse properties. Metal cations with lone pairs have proven advantageous for enhancing birefringence and extending the range of transmission. In this study, we comprehensively investigated the antimony(III) oxyhalide system, Sb–O–X. Specifically, we systematically examined the impact of single-site substitution within a series of compounds, including SbOCl, Sb2OCl4, Sb3O4F, Sb3O4I, Sb3O4Cl, Sb8O11Cl2, and Sb8O11Br2. The substitution of halogens led to significant alterations in the crystal structures, ranging from 0D isolated units to 2D layers, which are favorable for generating birefringences greater than 0.1. These findings underscore the potential of antimony oxyhalides for achieving the balance between birefringence and bandgap, and affirm the viability of single-site substitution as an effective strategy for discovering birefringent materials.

Graphical abstract: Exploration of antimony(iii) oxyhalides via single-site substitution in quest of large birefringence

Supplementary files

Article information

Article type
Research Article
Submitted
02 Mar 2024
Accepted
27 Apr 2024
First published
03 May 2024

Inorg. Chem. Front., 2024,11, 3367-3376

Exploration of antimony(III) oxyhalides via single-site substitution in quest of large birefringence

C. Hu, D. Chu, X. Hou, F. Zhang and J. Han, Inorg. Chem. Front., 2024, 11, 3367 DOI: 10.1039/D4QI00564C

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