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首页> 外文期刊>Crystal growth & design >Studies on the growth and characterization of L-asparaginium picrate (LASP) - A novel nonlinear optical crystal
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Studies on the growth and characterization of L-asparaginium picrate (LASP) - A novel nonlinear optical crystal

机译：新型非线性光学晶体L-天门冬氨酸盐酸盐（LASP）的生长与表征研究

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摘要

Good quality single crystals of L-asparaginium picrate have been grown by a low-temperature solution growth technique. The UV-visible-NIR absorption spectra were recorded for the grown crystal and relative second harmonic generation (SHG) efficiency was investigated to explore the NLO characteristics of the material for the first time in the literature. The relative SHG efficiency of the material is 66.5 times greater than that of KDP and 10 times higher than that of urea. The dielectric and mechanical behavior of the specimen were also studied. The structural perfection of the grown crystals has been analyzed by high-resolution X-ray diffraction (HRXRD) rocking curve measurements. Fourier transform infrared ( FTIR) spectroscopic studies were also performed for the identification of different modes present in the compound.
机译：通过低温溶液生长技术已经生长了高质量的苦味型天冬酰胺酸单晶。记录了生长晶体的紫外-可见-近红外吸收光谱，并在文献中首次研究了相对二次谐波产生（SHG）的效率，以探索该材料的NLO特性。该材料的相对SHG效率是KDP的66.5倍，是尿素的10倍。还研究了样品的介电性能和机械性能。已通过高分辨率X射线衍射（HRXRD）摇摆曲线测量分析了生长晶体的结构完善性。还进行了傅里叶变换红外（FTIR）光谱研究，以鉴定化合物中存在的不同模式。

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