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首页> 外文期刊>Journal of Crystal Growth >Synthesis, crystal growth and characterization of 3-methyl 4-nitropyridine 1-oxide (POM) single crystals
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Synthesis, crystal growth and characterization of 3-methyl 4-nitropyridine 1-oxide (POM) single crystals

机译：3-甲基4-硝基吡啶1-氧化物（POM）单晶的合成，晶体生长和表征

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摘要

In the present work, the organic nonlinear material 3-methyl 4-nitropyridine 1-oxide (POM) has been synthesized from 3- picoline-N-oxide. Single crystals of POM have been grown by solvent evaporation method. Crystals of dimensions 1.1 x 0.8 x 0.4 cm~3 have been obtained by this technique. FT-NMR and FTIR techniques have confirmed its molecular and structural identification. The grown crystals have been characterized by single crystal X-ray diffraction method and their lattice parameters were determined. Optical transmittance spectrum shows transmittance of 55%. To investigate the mechanical properties of POM crystals, Vickers hardness studies were carried out in different planes and the hardness values have been determined. Second harmonic generation was observed by using Q-switched Nd:YAG laser confirming the NLO property. Laser damage threshold value has been determined using Q-switched Nd:YAG laser operating at 1064 nm with 20 ns pulses.
机译：在目前的工作中，有机非线性材料3-甲基4-硝基吡啶-1-氧化物（POM）是由3-甲基吡啶-N-氧化物合成的。 POM的单晶已经通过溶剂蒸发法生长。通过这种技术已经获得了尺寸为1.1×0.8×0.4cm〜3的晶体。 FT-NMR和FTIR技术已证实其分子和结构鉴定。通过单晶X射线衍射法表征了生长的晶体，并确定了其晶格参数。光学透射光谱显示透射率为55％。为了研究POM晶体的机械性能，在不同平面上进行了维氏硬度研究，并确定了硬度值。通过使用调Q的Nd：YAG激光器观察到二次谐波，确认了NLO特性。使用在1064 nm处以20 ns脉冲工作的Q开关Nd：YAG激光器确定了激光损伤阈值。

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