From CdPb8(SeO3)4Br10 to Pb3(TeO3)Br4: the first tellurite bromide exhibiting an SHG response and mid-IR transparency,Inorganic Chemistry Frontiers

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From CdPb8(SeO3)4Br10 to Pb3(TeO3)Br4: the first tellurite bromide exhibiting an SHG response and mid-IR transparency
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2023-11-01 , DOI: 10.1039/d3qi01937c
Peng-Fei Li _{1,

2} , Chun-Li Hu ₁ , Bing-Xuan Li ₁ , Jiang-Gao Mao _{1,

2} , Fang Kong _{1,

2}

Affiliation

Herein, we report two new selenite/tellurite bromide compounds, namely, CdPb₈(SeO₃)₄Br₁₀ and Pb₃(TeO₃)Br₄. The former crystallized in a centrosymmetric space group, while the latter is a non-centrosymmetric compound. Specifically, CdPb₈(SeO₃)₄Br₁₀ demonstrates high thermal stability (425 °C) and a wide optical transparency window (0.33–6.5 μm), while Pb₃(TeO₃)Br₄ exhibits an second harmonic generation response approximately equivalent to that of KDP, appropriate birefringence (0.095@532 nm and 0.066@1064 nm), wide optical transparency window (0.33–6.5 μm) and high thermal stability (522 °C). These results indicated that lead tellurite bromides could be promising nonlinear optical material systems in the mid-IR wavelength.

中文翻译：

从 CdPb8(SeO3)4Br10 到 Pb3(TeO3)Br4：第一个表现出 SHG 响应和中红外透明度的亚碲酸盐溴化物

在此，我们报道了两种新的亚硒酸盐/亚碲酸盐溴化物化合物，即CdPb ₈ (SeO ₃ ) ₄ Br ₁₀和Pb ₃ (TeO ₃ )Br ₄。前者结晶为中心对称空间群，后者为非中心对称化合物。具体而言，CdPb ₈ (SeO ₃ ) ₄ Br ₁₀表现出高热稳定性 (425 °C) 和宽光学透明窗口 (0.33–6.5 μm)，而 Pb ₃ (TeO ₃ )Br ₄表现出近似等效的二次谐波生成响应与KDP相比，具有适当的双折射（0.095@532 nm和0.066@1064 nm）、宽的光学透明窗口（0.33–6.5 μm）和高热稳定性（522 °C）。这些结果表明，亚碲酸铅溴化物可能是中红外波长内有前途的非线性光学材料系统。

更新日期：2023-11-01

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