Cd5As2Br4: A Ternary Arsenide with Nonlinear Optical Property

IF 3.2 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Crystal Growth & Design Pub Date : 2025-02-11 DOI:10.1021/acs.cgd.5c0005910.1021/acs.cgd.5c00059

Qiang Liu, Wenhao Xing, Bohui Xu, Guili Wang, Chunxiao Li, Pifu Gong and Jiyong Yao*,

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Abstract

In this research, a new ternary arsenide, Cd₅As₂Br₄, with a nonlinear optical (NLO) property has been synthesized. Cd₅As₂Br₄ possesses a noncentrosymmetric structure with a space group belonging to the orthorhombic crystal system, specifically Pna2₁. The structure of Cd₅As₂Br₄ is formed by the interconnection of three one-dimensional structures, resulting in a three-dimensional structure. The diffuse reflectance spectrum reveals that Cd₅As₂Br₄ has a direct band gap of 1.91 eV. NLO performance tests indicate that at a particle size range of 20–50 μm, the second harmonic generation (SHG) intensity of Cd₅As₂Br₄ is 0.7 times that of AgGaS₂ (AGS), and it exhibits nonphase-matching behavior at 2090 nm. Additionally, at a particle size range of 125–150 μm, the laser-induced damage threshold (LIDT) of Cd₅As₂Br₄ is equal to that of AGS. Finally, theoretical calculations elucidate that Cd₅As₂Br₄ possesses a calculated maximum SHG coefficient d₁₅ of −11.66 pm/V.

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来源期刊

Crystal Growth & Design 化学-材料科学：综合

CiteScore

6.30

自引率

10.50%

发文量

650

审稿时长

1.9 months

期刊介绍： The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials. Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.