Cite the paper
R. Vinayagamoorthy, A. Albert Irudayaraj, A. Dhayal Raj, S. Karthick, G. Jayakumar (2017). Comparative Study of Properties of L-Histidine and L-Histidine Nickel Nitrate Hexahydrate Crystals Grown by Slow Evaporation. Mechanics, Materials Science & Engineering, Vol 9. doi:10.2412/mmse.83.74.689
Authors: R. Vinayagamoorthy, A. Albert Irudayaraj, A. Dhayal Raj, S. Karthick, G. Jayakumar
ABSTRACT. L-Histidine (LH) is an amino acid. It is an organic material. L-Histidine Nickel Nitrate Hexahydrate (LHNNH) is a semi organic material. It is a complex of bivalent nickel ion with L-Histidine amino acid. Complexes of bivalent metal ions with amino acids are generally good NLO materials. Crystals of L-Histidine and L-Histidine Nickel Nitrate Hexahydrate (LHNNH) have been successfully grown by slow evaporation method using water as solvent. The crystal structure and lattice parameters of LH and LHNNH are determined by Single crystal X-ray diffraction analysis. The functional groups in LH and LHNNH are confirmed by FTIR analysis. With the help of UV-Vis spectroscopy the optical band gap and optical transparency are studied. The chemical composition of LH and LHNNH are studied by CHN and EDAX analysis. Thermally stability and thermal phase transitions of LH and LHNNH are analyzed by TGA/DTA. The Second Harmonic Generation (SHG) efficiency of LH and LHNNH have been experimentally estimated.
Keywords: semi organic, amino acid, phase transition, SHG efficiency
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