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Growth, Properties, and Theoretical Analysis of KBa2(PO3)(5) Single Crystal

机译:KBa2(PO3)(5)单晶的生长,性质及理论分析

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In this study, we used a high-temperature solution to grow KBa2(PO3)(5) (KBP), which is a potential deep-ultraviolet (UV) nonlinear optical crystal. It is a congruent melting compound that solidifies in a non-centrosymmetric crystal system that is monoclinic with the Pc space group. KBP exhibits a powder second-harmonic response at 1064 nm incident radiation, with an efficiency of 0.9 x KDP. KBP exhibits a wide transparency range, as the cutoff absorption edge in the UV region is as short as 167 nm. In addition, we performed Raman and IR spectroscopies on the reported material, which confirmed the existence of 1D [PO3](infinity) chains in KBP. We also performed first-principles calculations to elucidate that KBP's nonlinear optical activity stemmed from the ID [PO3](infinity) chains, and that the optical properties stemmed from the P-O groups.
机译:在这项研究中,我们使用了高温溶液来生长KBa2(PO3)(5)(KBP),KBa2(PO3)(5)(KBP)是一种潜在的深紫外(UV)非线性光学晶体。它是一种全融化的化合物,可在与Pc空间基团单斜的非中心对称晶体系统中固化。 KBP在1064 nm入射辐射下表现出粉末二次谐波响应,效率为0.9 x KDP。 KBP具有很宽的透明度范围,因为UV区域中的截止吸收边缘短至167 nm。此外,我们对报道的材料进行了拉曼光谱和红外光谱分析,证实了KBP中存在1D [PO3](无穷大)链。我们还进行了第一性原理计算,以阐明KBP的非线性光学活性源自ID [PO3](无穷大)链,光学性质源自P-O组。

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