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Nonlinear-Optical Crystal Rb3YB6O12 with Condensed B5O10 Blocks That Exhibits an Intriguing Structural Arrangement and a Short Ultraviolet Absorption Edge.
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-09-04 , DOI: 10.1021/acs.inorgchem.0c02372 Zhen Jia 1 , Qindan Zeng 2 , Pifu Gong 3 , Yan Dong 1 , Xiuling Zhang 1 , Bingwei Xin 1 , Zheshuai Lin 3 , Mingjun Xia 3
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-09-04 , DOI: 10.1021/acs.inorgchem.0c02372 Zhen Jia 1 , Qindan Zeng 2 , Pifu Gong 3 , Yan Dong 1 , Xiuling Zhang 1 , Bingwei Xin 1 , Zheshuai Lin 3 , Mingjun Xia 3
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Nonlinear-optical (NLO) crystals, which can regulate the laser wavelength through a cascading second-harmonic-generation technique, have been widely utilized in the field of optoelectronics. In this work, we grew the NLO borate crystal Rb3YB6O12 (RYBO) using the spontaneous crystallization method. RYBO crystallizes in a chiral trigonal space group of R32 with a new type of structural arrangement built from Y–O short chains and B5O10 groups. It is significantly different from the known structure of chemical analogues Rb3REB6O12 (RE = Nd, Eu) not only in the halved unit cell parameter but also in the Y–O connection manner. The NLO response of RYBO is about 0.8KDP, 8-fold larger than that of KB5O8·4H2O with the same B5O10 groups because of the coexistence of two NLO-active units of the distorted YO6 octahedra and B5O10 anions. Thanks to the short ultraviolet (UV) cutoff, RYBO may have potential NLO applications in the UV and even deep-UV spectral regions.
中文翻译：
具有稠密的B5O10块的非线性光学晶体Rb3YB6O12，具有有趣的结构排列和较短的紫外线吸收边缘。
可以通过级联的二次谐波产生技术来调节激光波长的非线性光学（NLO）晶体已在光电子领域得到了广泛应用。在这项工作中，我们使用自发结晶方法生长了NLO硼酸盐晶体Rb 3 YB 6 O 12（RYBO）。RYBO在R 32的手性三角空间群中结晶，这种新型结构排列由Y–O短链和B 5 O 10基团构成。它与化学类似物Rb 3 REB 6 O 12的已知结构显着不同。（RE = Nd，Eu）不仅在减半的晶胞参数中，而且在Y–O连接方式中。RYBO的NLO响应约为0.8KDP，比具有相同B 5 O 10基团的KB 5 O 8 ·4H 2 O的响应高出8倍，这是因为扭曲的YO 6八面体和B 5 O 10阴离子。由于紫外线（UV）的截止时间短，RYBO在紫外线甚至深紫外线光谱区域中可能具有潜在的NLO应用。
更新日期：2020-09-21
中文翻译：
具有稠密的B5O10块的非线性光学晶体Rb3YB6O12，具有有趣的结构排列和较短的紫外线吸收边缘。
可以通过级联的二次谐波产生技术来调节激光波长的非线性光学（NLO）晶体已在光电子领域得到了广泛应用。在这项工作中，我们使用自发结晶方法生长了NLO硼酸盐晶体Rb 3 YB 6 O 12（RYBO）。RYBO在R 32的手性三角空间群中结晶，这种新型结构排列由Y–O短链和B 5 O 10基团构成。它与化学类似物Rb 3 REB 6 O 12的已知结构显着不同。（RE = Nd，Eu）不仅在减半的晶胞参数中，而且在Y–O连接方式中。RYBO的NLO响应约为0.8KDP，比具有相同B 5 O 10基团的KB 5 O 8 ·4H 2 O的响应高出8倍，这是因为扭曲的YO 6八面体和B 5 O 10阴离子。由于紫外线（UV）的截止时间短，RYBO在紫外线甚至深紫外线光谱区域中可能具有潜在的NLO应用。
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