An Optical Overview of Poly[ ๐ ๐ -L-alanine- ๐ ๐ -nitrato-sodium(I)] Crystals
2012
E. Gallegos-Loya | E. Orrantia-Borunda | A. Duarte-Moller
Single crystals of the semiorganic materials, L-alanine sodium nitrate (LASN) and D-alanine sodium nitrate (DASN), were grown from an aqueous solution by slow-evaporation technique. X-ray diffraction (XRD) studies were carried for the doped grown crystals. The absorption of these grown crystals was analyzed using UV-Vis-NIR studies, and it was found that these crystals possess minimum absorption from 200 to 1100โnm. An infrared (FTIR) spectrum of single crystal has been measured in the 4000โ400โcm-1 range. The assignment of the observed vibrational modes to corresponding symmetry type has been performed. A thermogravimetric study was carried out to determine the thermal properties of the grown crystal. The efficiency of second harmonic generation was obtained by a variant of the Kurtz-Perry method.
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