CsMgGa5S9: a diamond-like network made of mixed tetrahedral units for excellent nonlinear optical properties

Yi-Bing Huang; Bin-Wen Liu; Guo-Cong Guo

doi:10.1039/D5CC00203F

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CsMgGa₅S₉: a diamond-like network made of mixed tetrahedral units for excellent nonlinear optical properties†

Yi-Bing Huang,^abd Bin-Wen Liu

*^ac and Guo-Cong Guo

*^ac

Author affiliations

* Corresponding authors

^a State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
E-mail: bwliu@fjirsm.ac.cn, gcguo@fjirsm.ac.cn

^b College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China

^c Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China

^d Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China

Abstract

CsMgGa₅S₉ features a diamond-like framework with uniformly stacked mixed tetrahedral units and embedded Cs⁺ ions. It exhibits a favorable second-harmonic generation response (0.5 × AgGaS₂@1910 nm) and a large bandgap (3.12 eV) that yield a high laser-induced damage threshold (8.0 × AgGaS₂@1064 nm), making it an excellent nonlinear optical material.

This article is part of the themed collection: Chemical Communications HOT articles 2025

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Article information

DOI: https://doi.org/10.1039/D5CC00203F
Article type: Communication
Submitted: 13 Sun 2025
Accepted: 08 Dzi 2025
First published: 17 Dzi 2025

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Chem. Commun., 2025, Advance Article

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CsMgGa₅S₉: a diamond-like network made of mixed tetrahedral units for excellent nonlinear optical properties

Y. Huang, B. Liu and G. Guo, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC00203F

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